RST and WXY are similar triangles. RS = 2, WX = 5, ST = x + 1, and XY = 3x-1
Solve for x. HELP PLEASE ANYONE

RST And WXY Are Similar Triangles. RS = 2, WX = 5, ST = X + 1, And XY = 3x-1Solve For X. HELP PLEASE

Answers

Answer 1

Answer: x=7

Step-by-step explanation:

2/5=x+1/3x-1

find the LCD

15x-5

multiply 2/5 by 3x-1

multiply x+1/3x-1 by 5

6x-2=5x+5

x=7


Related Questions

Please HELP WITH CHEM

Answers

The ratio of Oats to Maple syrup for 36 cookies is 192 grams: 816 grams. So the answer is Option C. 192 grams: 816 grams.

What is Ratio:

Comparing two amounts of the same units and determining the ratio tells how much of one quantity is in the other.

when evaluating the relationship between two quantities or numbers. In general, x: y, which can be interpreted as "x is to y," is used to denote a ratio between two quantities.

Here we have

15 Cookies need 80g Oats

=> Amount of Oats for 1 cookie = 80g/15 gms

So the amount Oats for 36 Cookies = 80g/5 × 36 = 192 grams

15 Cookies need 340 grams of Maple syrup

=> Amount of Maple syrup for 1 cookie = 340/15 gram

So the amount of Maple syrup for 36 cookies = (340/15)×36 = 816 grams

By the above calculations,

For 36 Cookies we need 192 grams of Oats and 816 grams of Maple syrup

The Ratio of Oats to Maple syrup = 192 gram: 816 gram

Therefore,

The ratio of Oats to Maple syrup for 36 cookies is 192 grams: 816 grams. So the answer is Option C. 192 grams: 816 grams.  

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A rectangular room is 2 meters longer than it is wide, and its perimeter is 20 meters. Find the dimension of
the room. Length and width

Answers

Answer:

Hope this helps good luck :)

see explanation

Step-by-step explanation:

Find relationship of length(L) and width(w)

Perimeter = L + W + L + W

[tex]20. = (w+2) + w + (w+2) +w 20. = 4w + 4 -4. -4 16 = 4w 16. = 4w 4. 4 4. = w w = 4 L. = w+2 = 4 +2 L = 6[/tex]

Answer width is 4 meters and length is 6 meters.

BELP PLEASE!!
ZL,ZK, and ZM are perpendicular bisectors of AGHJ. Use the information
to determine if the following lengths are true. Select all that apply.
Note that the figure is not drawn to scale.

Answers

A. True. The circumcenter is equidistant from all vertices of the triangle.

B. False. The circumcenter is equidistant from all vertices of the triangle.

C. False. By the definition of a bisector, [tex]MJ=6[/tex], meaning [tex]JG=6+6=12[/tex].

D. True. By the definition of a bisector, [tex]GK=4[/tex], meaning [tex]GH=4+4=8[/tex].

Urgent help:

please look at the image

will mark brainliest for correct answer

Answers

[tex]\sqrt[4]{256x^{6}y^{10} }[/tex]will be 4[tex]x^{3/2} y^{5/2}[/tex]

What is the fourth root?

The number that, when multiplied four times by itself, yields the original number is the fourth root of a number. In other words, the square root of the square root of an integer equals the number's fourth root.

eg:

eg: [tex]\sqrt[4]{81}[/tex] = 3

We are asked

x> 0 and y> 0then

[tex]\sqrt[4]{256x^{6}y^{10} }[/tex]    =  4 [tex]x^{3/2} y^{5/2}[/tex]

As 4 multiplied by 4 , 4 times given 256 and x to the power 6 and root 4 so that will be x to the power 3/2 and y to the 10 and root 4 will give 5/2

thus

[tex]\sqrt[4]{256x^{6}y^{10} }[/tex] will be equivalent to  4 [tex]x^{3/2} y^{5/2}[/tex]

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How many solutions does this equation have?
-2-y=-y
no solution
one solution
infinitely many solutions

Answers

Answer:

No solution

Step-by-step explanation:

-2-y=-y

clt

-2=-y+y

-2=0

:ans is -2=0 making it with no solution

You deposit $600 in a savings account. After 18
months, you check your statement and see that
you have earned $31.50 in interest. What is the
interest rate for your account?

Answers

Answer:

To calculate the interest rate for your account, you will need to use the formula for simple interest:

Interest = Principal x Rate x Time

In this case, the principal is the amount of money you deposited, or $600. The time is the number of months the money was in the account, or 18 months. And the interest is the amount of money you earned, or $31.50.

Plugging these values into the formula, we get:

$31.50 = $600 x Rate x 18

To solve for the rate, we can divide both sides of the equation by $600 and 18:

Rate = $31.50 / ($600 x 18)

Simplifying this expression gives us:

Rate = 0.01625

So, the interest rate for your account is approximately 1.625%.

Find the perimeter of the triangle.​

Answers

Answer:

39 inches

Step-by-step explanation:

All of the sides are the same length because all of the angles are equal

21 - x = 2x - 3  Set two sides equal to each other and solve for x.  Add x to both sides

21 = 3x - 3  Add 3 to both sides

24 = 3x  Divide both sides by 3

x = 8

Substitute in 8 for x to find the value of a side

2x - 3

2(8) - 3

16 - 3

13

Each side length is 13

3 x 13 = 39

Two shoppers bought meat at a supermarket deli. The first shopper bought 3 pounds of meat for $9.87. The second shopper bought 4 pounds of a meat that cost $1 more per pound than the meat the first shopper bought. How much did the second shopper pay?​

Answers

Answer: $17.16 dollars

Step-by-step explanation:

first, you divide 9.87 by three which equals $3.29

then you add 1 which is $4.29

Finally, multiply it by 4 which is $17.16

Answer:$17.16

Step-by-step explanation:

What U.S. territory uses Spanish as an official language?
Puerto Rico
Bermuda
Canada
Hawaii

Answers

Answer: Puerto Rico

Step-by-step explanation:

puerto rico is the answer.

Dora says that only one triangle can be constructed with two given side lengths and one given angle measure. Is Dora correct? Explain.

Answers

She is correct. By using any of the 3 laws of cosines (which the Pythagorean Theorem is a special case), it can be shown only one length of the 3rd side is possible. If the 3 sides are designated a, b and c and ∠a, ∠b and ∠c are the 3 angles opposite those sides respectively, by knowing the length of any 2 sides and size of the angle between them, the length of the third side can be computed.

Need help:
given that M∠QRT=105, find M∠QRS and M∠SRT​

Answers

Answer:

m∠QRS = 30°

m∠SRT = 75°

Step-by-step explanation:

Given;m∠QRT = 105°m∠QRS = (6x)°m∠SRT = (14x + 5)°To Find;m∠QRS and m∠SRT

Now,

The sum of m∠QRS and m∠SRT is equal to m∠QRT which is 105°

So,

m∠QRS + m∠SRT = m∠QRT

(6x)° + (14x + 5)° = (105)°

6x + 14x + 5 = 105

20x + 105 - 5

20x = 100

x = 100/20

x = 5

Thus, The value of x is 5°

Now,

m∠QRS = (6x)° = 6 × 5 = 30°

m∠SRT = (14x + 5)° = 14(5) + 5 = 70 + 5 = 75°

You sell TV's at a local store and they pay you 4% commission for whatever you sell. At the end of the month you sold $9,000 worth of TV's. How much money in commission did you receive?

Answers

Answer:

360 in commission.

Step-by-step explanation:

If you received a 4% commission on the TVs you sold, and you sold $9,000 worth of TVs, then you would have received 4/100 * $9,000 = $<<4/100*9000=360>>360 in commission.

Summer Swim charges a $45 membership fee and $3.50 each time you visit their pool. Super Swimmers charges $6.50 each time you visit their pool with no membership fee.

a. For what number of visits will both swim clubs charge the same amount? Justify your answer using mathematics.

visits:____

b. You anticipate that you will visit the pool about 32 times this summer. Which Swim Club should you choose if you want to spend the least amount of money? Justify your answer using mathematics.

(Type Summer Swim or Super Swimmers) :______

Answers

Answer:  

A) 15

B) Summer Swim

Step-by-step explanation:

How to solve problem "A":

45+3.50x =6.50x

Take 3.50 from each side.

6.50-3.50=3

45=3x

Now you divide 45 divided by 3.

45/3=15

So after 15 visits, you'll be charged the same amount.

6.50 (15)=97.5

3.50 (15)+45= 97.5

So it's definitely correct.

_________________________________________________________

How to solve problem "B":

All we have to do is plug 32 into "x"

Equation 1: 45+3.50(32)= 157

Equation 2: 6.50 (32)=208

So equation 1 definitely is cheaper. So it's the Summer Swim that's cheaper

I hope this helps!!!

Joanna's tree starts at 4 feet tall and
grows 15% each year. What is the tree's
height after 12 years?

Answers

The height of the tree after 12 years is 21.401 feet.

How to predict the height of the tree

In this problem we find the case of a tree that grows exponentially, the height of the tree is defined by the following formula:

h = a · (1 + r / 100)ⁿ

Where:

a - Initial height of the tree, in feet.r - Increase rate, in percentage.n - Number of periods, in years.

If we know that a = 4 ft, r = 15 and n = 12, then the final height of the tree is:

h = 4 · (1 + 15 / 100)¹²

h = 21.401

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The amount of time a certain brand of light bulb lasts is normally distribued with a
mean of 1900 hours and a standard deviation of 45 hours. Out of 670 freshly installed
light bulbs in a new large building, how many would be expected to last more than
1890 hours, to the nearest whole number?

Answers

To find the number of light bulbs that are expected to last more than 1890 hours, we need to calculate the area under the normal distribution curve between 1890 and 1900 hours. This represents the probability that a randomly selected light bulb will last more than 1890 hours. We can then multiply this probability by the total number of light bulbs, 670, to find the number of light bulbs that are expected to last more than 1890 hours.

To calculate the area under the normal distribution curve, we first need to standardize the value 1890 hours. This means we need to convert it to a z-score, which represents the number of standard deviations above or below the mean a value is. To standardize a value, we use the following formula:

z = (x - mean) / standard deviation

In this case, we have x = 1890, mean = 1900, and standard deviation = 45, so the z-score is:

z = (1890 - 1900) / 45 = -0.22

We can now use this z-score to look up the corresponding area under the normal distribution curve using a table of the standard normal distribution. This table gives the area under the curve between the mean and a given z-score. Since our z-score is negative, we need to look up the area to the left of the mean. In this case, the area is 0.4162.

We can now multiply this probability by the total number of light bulbs, 670, to find the number of light bulbs that are expected to last more than 1890 hours. This is:

0.4162 * 670 = 278.29

Rounded to the nearest whole number, this is 278 light bulbs. So we would expect about 278 out of 670 freshly installed light bulbs in the new large building to last more than 1890 hours.

The answer is 278 light bulbs.

Find the simple interest on a loan of $9,000 at 7.6% interest for 9 months.

Anyone know the answer ??

Only answer if you know, any other answers will be reported !

Answers

Answer:

P= RS. 9000

R=7.6%

T= 9 months

Simple Interest (SI}=?

By using formula,

SI= PTR/100

= 9000* 7.6* 9/ 100* 12

= 615600/1200

= 513

A toy company is building dollhouse furniture. A rectangular door of a dollhouse has a height of 7 centimeters and a width of 5 centimeters. What is the perimeter of the door on a scale drawing that uses the scale 3:4?

32 cm
24 cm
18 cm
14 cm

Answers

Answer:

Step-by-step explanation:

You need to find the perimeter of the door in the scale drawing.

Not the perimeter of the door on the dollhouse.

If the dollhouse door is 7 cm by 5 cm use the scale factor of 3/4 to

find the dimensions on the scale drawing.

7 times 3/4 = 5.25

5 times 3/4 = 3.75

P = 2(length) + 2 (width)

P = 2 (5.25) + 2 (3.75)

P = 10.5 + 7.5

P = 18 cm

Answer choice C

Ms. patels gym class is practicing soccer. Ms. pedal has 18 soccer balls and three teams of students. She gives the same number of bars to eat student. How many balls does Ms. patel give each team

Answers

Answer

6

Step-by-step explanation:

There are 3 teams and 18 soccer balls. For each team to have the same number of soccer balls you need to do 18 divided by 3 to get 6. Each time will have 6 soccer balls.


Find the values of x and y.

Answers

Answer:

x = 90 , y = 43

Step-by-step explanation:

Since AB and AC are congruent , then Δ ABC is isosceles with base angles congruent , that is

∠ ABD = ∠ ACD = 47°

AD is the perpendicular bisector of BC , so

∠ ADB = x = 90

the sum of the 3 angles in Δ ABD = 180° , then

y = 180° - (90 + 47) = 180 - 137 = 43

-6x-4/2
2. Select all the expressions that are equivalent to
2
A.-3x - 2
B. 3x + 2
С. - 6х+4
2
D.-1/-
2 (6x+4)
E. 1/2 (-3x-2)

Answers

The expressions that are equivalent to -6x-4/2 are: -6x-4/2 and 1/2 (-3x-2)

What is the algebraic expression?

Algebraic expressions are mathematical statements with a minimum of two terms containing variables or numbers

According to the given option, the required solution would be as:

A. -3x - 2 (if you multiply both sides of the equation -6x - 4 = 2 by -1/2, you get -3x - 2 = 1)

E. 1/2 (-3x-2) (if you multiply both sides of the equation -6x - 4 = 2 by 1/2, you get -3x - 2 = 1, and then divide both sides by -1 to get 1/2 (-3x-2) = -1/2)

Hence, the correct answer would be options (A) and (E).

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A class is planning a trip to the local City Museum of Art. There are 22 people going on this trip.
There are four drivers and two types of vehicles, cars and trucks. The cars set four people,
including the driver and the truck seats six people again including driver. How many trucks and
cars doe the class need for this trip? Write a system of equations to solve.
12/24

Answers

A class is planning a trip to the local City Museum of Art. The class needs 3 trucks and 1 car to transport all 22 people on the trip.

What is the system of equations?

Generally, To solve this problem, we can set up a system of equations using the information given. Let C be the number of cars needed and T be the number of trucks needed.

The first equation will represent the number of people that can be transported in the cars: 4C + 6T = 22

The second equation will represent the number of drivers: C + T = 4

Now we can solve this system of equations using elimination or substitution.

Using elimination, we can multiply the first equation by 2 and the second equation by 4 to get: 8C + 12T = 44 4C + 4T = 16

Then we can subtract the second equation from the first equation to get: 4C + 8T = 28

Then we can divide both sides by 4 to get: C + 2T = 7

Then we can substitute this value for C in the second equation to get: 7 - 2T = 4 T = 1.5

Since T represents the number of trucks, which must be a whole number, this solution is not possible.

Using substitution, we can solve for C in the second equation and substitute it into the first equation: C = 4 - T 4(4 - T) + 6T = 22 16 - 4T + 6T = 22 2T = 6 T = 3

Substituting this value for T into the second equation, we get: C = 4 - 3 C = 1

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Question 6(Multiple Choice Worth 2 points)
(Two-Column Tables MC)

The table below shows the ratios of black to white keys on pianos of various sizes.


Black A 18 45 72
White 13 B 65 C


Determine which table has the correct values for A, B, and C.

Answers

The correct values for A, B and C are given as follows:

A = 9.B = 26.C = 104.

How to obtain the correct values for A, B and C?

The table shows the ratios of black to white keys on pianos of various sizes, and these ratios are constant, meaning that the following proportional relationship is established:

A/13 = 18/B = 45/65 = 72/C

Then the value of A can be obtained as follows:

A/13 = 45/65

Applying cross multiplication, we have that:

65A = 13 x 45

A = 13 x 45/65

A = 9.

The value of B can be obtained as follows:

18/B = 45/65

Applying cross multiplication, we have that:

45B = 18 x 65

B = 18 x 65/45

B = 26.

Finally, the value of C can be obtained as follows:

72/C = 45/65

Applying cross multiplication, we have that:

45C = 72 x 65

C = 72 x 65/45

C = 104.

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Triangle ABC is a right triangle, with right angle B. Side AC has a
length of 13. Side AB has a length of 5. Find the length of side
CB.

Answers

The length of side BC is approximately 10.928.

What is the right triangle?

In a right triangle, the side opposite the right angle is called the hypotenuse. In triangle ABC, side AC is the hypotenuse, and sides AB and BC are the other two sides.

To find the length of side BC, we can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the other two sides.

We can use the given information to write the Pythagorean theorem in the form:

AC^2 = AB^2 + BC^2

Substituting the given lengths, we get:

13² = 5² + BC²

Solving for BC, we get:

BC = √(13² - 5²)

= √(144 - 25)

= √(119)

= approximately 10.928

Therefore, the length of side BC is approximately 10.928.

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The area of a rectangle is 2x2−11x−63 square units, and the length is 2x+7 units. What is the perimeter, in units, of the rectangle? Responses

Answers

X>9 should be right

the counterpart to sampling error is nonsampling error, which consists of all errors in a survey including those attributable to the sample plan and sample size. true false

Answers

the counterpart to sampling error is nonsampling error, which consists of all errors in a survey including those attributable to the sample plan and sample size is a True statement.

Non sampling error is an error that occurs due to various sources which are not related to sampling. These errors can occur due to improper selection of the sample, incorrect data collection and analysis, or due to errors in data reporting. Sampling error, on the other hand, occurs due to the differences between the sample and the population. It is caused by the randomness of the sample that is used and can be reduced by increasing the sample size. the counterpart to sampling error is nonsampling error, which consists of all errors in a survey including those attributable to the sample plan and sample size is a True statement.

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Please help it about calculus

Answers

The answer to this question based on limits is -4/3

What is limits?

Limits are very interesting concepts in mathematics which are veryuseful when we are dealing with numbers like infinity or numbers where some functions are not defined

Concepts of limits give us brief understanding that why these things are not defined

Solution;

We are asked to calculate a limit

By limits laws we can apply limit to both numerator and denominator respectively

Numerator = lim x--->2 2x-2

= just put 2 in place of x we will get 4 - 2 = 2 ans

Denominator = 2f(3x) - x

put limit as x = 2 in this we get

2 f(6) - 2

we need values of f(6) we can take from graph that f(6) = -3/2

hence answer to our question is 2 divided by -3/2

which in turn our answer for this limit problen is -4/3

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4 divided by 3/5 as a fraction form

Answers

Answer:33/5

Step-by-step explanation:

Hope this helps <3

A bag contains 10 red marbles, 7 blue marbles, and 3 green marbles. How many blue marbles need to be added to the bag so that the probability of randomly drawing a blue marble is 3/4?.

Answers

77.8%, blue marbles need to be added to the bag so that the probability of randomly drawing a blue marble is 3/4.

What is Probability?

The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of positive results for an experiment with 'n' outcomes can be represented by the symbol x.

The probability of an event can be calculated using the following formula.

Probability(Event) = Positive Results/Total Results = x/n

In order to better grasp probability, let's look at a straightforward application.

Let's say we need to forecast if it will rain or not. Either "Yes" or "No" is the appropriate response to this query.

There is a chance that it will rain or not. Here, probability can be used. Using probability, one may forecast the results of a coin toss, a roll of the dice, or a card draw

According to our answer-

Probability is defined as the product of the number of successful outcomes over the total number of outcomes.

There are 36 different results for one draw because there are 36 marbles overall in the bag.

All draws that are conceivable but are not blue are considered successful outcomes. 28 of those are available.

Consequently, the probability of a non-blue option is 28/36 = 7/9 = 77.8%. (rounded)

Hence, 77.8%, blue marbles need to be added to the bag so that the probability of randomly drawing a blue marble is 3/4.

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Darrel spent $383 on 21 presents for his grandchildren. Which expression uses compatible numbers to estimate the amount he spent on each?

Answers

Answer:

$18.24

Step-by-step explanation:How do I find out the answer to this?

You can find the answer to this by simply dividing the two numbers:

$383 ÷ 21 = $18.24

I hope my answer helped you! If you need more information or help, comment down below and I will be sure to respond if I am online. Have a wonderful rest of your day!

i think of a number,multiply it by 3,add 4 and square the result

Answers

The algebraic expression is (3X + 4)²

What is word problem?

Word problem is a mathematical exercise where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

From the question

To express the worded problem algebraically using X as your unknown

To express the worded problem algebraically using X as your unknown

The number is X

Now if we multiply the number X by 3 we get 3X

When we add 4 with 3X we get 3X + 4

Finally the squaring the result 3X + 4 we get (3X + 4)²

Hence the required algebraic expression for the worded problem is (3X + 4)²

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