What is the answer I’ve been stuck on this for way too long

What Is The Answer Ive Been Stuck On This For Way Too Long

Answers

Answer 1

[tex]\text{Let's write it like}\\x+y=8\\+\:\:\:+\\z-x=6\\\downarrow\:\:\:\:\:\:\downarrow\\13\:\:\:\:8\\=>\\\displaystyle\\\left \{ {{x+z=13} \atop {z-x=6}} \right. \\\left \{ {{x+z=13} \atop {z=6+x}} \right. \\\downarrow\\x+x+6=16\\2x=7\\x=3,5=>z=9,5\\\text{Now we need to find y}\\3,5+y=8\\y=4,5\\\\\text{so we have}\\3,5+4,5=8\\+\:\:\:\:\:\:\:\:\:+\\9,5-3,5=6\\\downarrow\:\:\:\:\:\:\:\:\:\:\:\:\downarrow\\13\:\:\:\:\:\:\:\:\:\:8\\[/tex]


Related Questions

Anthony leans a 28-foot ladder against a wall so that it forms an angle of 76^{\circ} ∘ with the ground. What’s the horizontal distance between the base of the ladder and the wall? Round your answer to the nearest tenth of a foot if necessary.

Answers

Answer:

Step-by-step explanation:

[tex]Cos \ 76 =\dfrac{adjacent \ side}{hypotenuse}\\\\0.2419=\dfrac{x}{28}\\\\\\0.2419*28=x\\\\\\x=6.7732[/tex]

x =6.8 ft

hi i am a little girl i need help whats 1 x 1

Answers

Answer:

1

Step-by-step explanation:

how many times does 1 goes to 1 which is equal to 1

1 x 1 = 1! I'm happy to help ;)

help me pls and tell me every step( I will give crown)

Answers

Answer:

42

Step-by-step explanation:

fir a 100% is missing 40

divide 28 by 4 and then multiply by 6

Answer:

42 students

40%

72 (end of number line)

Explanation:

How to find the percentage for the 28 students:

100% - 60% = 40%

Knowing that, we now know 28 = 40%. We need to figure out what 10% is equal so we can figure out what 60% is equal.

How to find 10%:

28 ÷ 4 = 7

10% = 7 students

How to find 60% of students:

10 · 6 = 60

7 · 6 = 42

With that information, we can find out the final sum.

40% + 60% = 100%

28 + 42 = 72.

Help me please I need help

Answers

Answer:

Step-by-step explanation: you need to dived by3000

6. Graph the function f(x) = 2* - 3. 5 4 3 2+ 1 + 3 N- 1 0 1 N- 3 4 5 1 2 3 4 57​

Answers

Answer:

x<1.5.

Step-by-step explanation:

hope this helped <3

The graph of function f (x) = 2ˣ - 3 is shown in figure.

What is mean by Function?

A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

Given that;

The function is,

⇒ f (x) = 2ˣ - 3

Now, We get;

At x = 1;

⇒ f (x) = 2ˣ - 3

⇒ f (1) = 2 - 3 = - 1

At x = 2;

⇒ f (x) = 2ˣ - 3

⇒ f (2) = 2² - 3 = 1

Hence, The graph is passing through (1, - 1) and (2, 1).

Thus, The graph of function f (x) = 2ˣ - 3 is shown in figure.

Learn more about the function visit:

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plsss help me!!

find x and y

y= x-5
y= -7x+11

Answers

Answer:

x = 2

y = -3

Step-by-step explanation:

make them equal to each other

x-5 = -7x + 11

8x = 16

x = 2

put 2 back in the equation to get y

y = 2 - 5

y = -3

Answer:

x = 2

y = -3

Step-by-step explanation:

Solve using substitution.

Substitute x-5 for y:

x - 5 = -7x + 11

Add 7x to both sides

8x - 5 = 11

Add 5 to both sides

8x = 16

Divide both sides by 8

x=2

Plug 2 back in for x to solve for y:

y = x - 5 = 2 - 5 = -3

(x, y)=(2, -3)

Which equation is equivalent to 16 Superscript 2 p Baseline = 32 Superscript p 3?.

Answers

The equation which is equivalent to 16 Superscript 2 p Baseline equal to 32 Superscript p 3 is,

[tex]2^{8p}=2^{5p+15}[/tex]

What is equivalent equation?

Equivalent equation are the expression whose result is equal to the original expression, but the way of representation is different.

Given information-

The given equation in the problem is,

[tex]16^{2p}=32^{p+3}[/tex]

Write both the equation in the form of same base number as,

[tex](2^4)^{2p}=(2^5)^{p+3}[/tex]

The power of the power of a number can be written as product of both the numbers. Thus,

[tex](2)^{4\times2p}=(2)^{5\times(p+3)}\\2^{8P}=2^{5P+15}[/tex]

This is the required equation.

Now if the base is the same at both side of the expression, then the powers can be compared. Thus,

[tex]8p=5p+15[/tex]

Solve it further to find the value of p as,

[tex]8p-5p=15\\3p=15\\p=5[/tex]

Thus the equation which is equivalent to 16 Superscript 2 p Baseline equal to 32 Superscript p 3 is,

[tex]2^{8p}=2^{5p+15}[/tex]

Learn more about the equivalent expression here;

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Answer:

C

Step-by-step explanation:

good luck

What is 7(4+y)?? Please help me

Answers

Answer:

28+7y

Step-by-step explanation:

7(4+y) = (7 · 4) + (7 · y)

= 28 + 7y

Jade wants to buy a $200,000 term life insurance policy. She is 34 years old. Using the premium table, what is her annual premium for a 10 year policy? A 5-column table with 6 rows titled Annual Life Insurance Premium (per 1,000 dollars of face value). Column 1 is labeled age with entries 30, 31, 32, 33, 34, 35. Column 2 is labeled 5-year term male with entries 3. 98, 4. 08, 04. 19, 4. 30, 4. 42, 4. 54. Column 3 is labeled 5 year term female with entries 3. 66, 3. 76, 3. 87, 3. 98, 4. 10, 4. 22. Column 4 is labeled 10-year term male with entries 6. 06, 06. 13, 6. 30, 6. 38, 6. 45, 6. 53. Column 5 is labeled Female with entries 5. 72, 5. 79, 5. 85, 5. 93, 6. 01, 06. 9. A. $1,290 b. $1,202 c. $6,010 d. $820.

Answers

Premium rates are usually for  premium per fixed face value. Jade's annual premium for a 10 year policy is given by Option b: $1,202

How to calculate the total annual premium for $x ?

If its given that the annual premium is $p per $y face value, then we can calculate the annual premium for $1 face value and then use it to calculate annual premium for $x.

Using proportions, we get:

[tex]\rm \$y \: face \: value : \$p \: annual \: premiun\\\\\rm \$1 \: face \: value : \$\dfrac{p}{y} \: annual \: premiun\\\\\rm \$x\:face\: value : \$\dfrac{p \times x}{y} \: annual \: premiun\\[/tex]

For given case, from the tables, we see that for age 34, and 10 year life insurance for female gender , there is annual premium of 6.01 per $1000 face value.
Thus, we have p = 6.01, y = 1000

Since Jade wants to buy Life insurance for $200,000, thus, x = $200,000

Putting it in the above derived formula, we get:

[tex]\rm \$x\:face\: value : \$\dfrac{p \times x}{y} \: annual \: premium\\\\\rm \$200000\:face\: value : \$\dfrac{6.01 \times 200000}{1000} \: annual \: premium\\ = \$1202 \: annual \: premiun[/tex]

Thus, Jade's annual premium for a 10 year policy is given by Option b: $1,202

Learn more about calculating annual premium cost here:

https://brainly.com/question/13168988

help me with geometry please

Answers

Answer:

x=7

Step-by-step explanation:

we have,

7x-7=4x+14         use the transposing method

7x-4x=14+7

3x=21

x=21/3

x=7

can you mark me brainliest please

L is parallel to M. Then,
7x - 7 = 4x + 14
7x - 4x = 14 + 7
3x = 21
x = 7

ASAP what is the answer 8q=64. also can you explain how to do this

Answers

you divide by 8 on both sides of the equal(=) sign to find what q is. 64\8=8. 8q/8 =canceled out. leaving you with ur answer which is q=8. hope this helped <3

Given the two rectangles below. Find the area of the shaded region.

Answers

Answer:

75 units²

Step-by-step explanation:

Bigger rectangle: length * width

                           : 10 * 9

                           : 90 units²

smaller rectangle: length * width

                             : 3 * 5

                             : 15 units²

Shaded region = Bigger rectangle - smaller rectangle

                         =     90 units²      -     15 units²

                         =        75 units²

HELP ME WITH PROVING LINES PARALLEL PLEASE

Answers

Answer:

x = 30

Step-by-step explanation:

5x and 3x + 60 are co-exterior angles. To make A and B parallel, they should congruent (equal}

5x = 3x + 60

5x - 3x = 60

2x = 60

  x = 60/2

 x = 30

Checking:

5x = 5*30 = 150

3x + 60 = 3*30 + 60 = 90 + 60 = 150

Can someone help me with this??

Answers

Answer:

negative 10 less than x

-10 < x

Solve for w.
6w= 18-3w
Simplify your answer as much as possible.
19

Answers

Answer:

w=2

Step-by-step explanation:

[tex]6w= 18-3w[/tex]

[tex]6w+3w=18-3w+3w[/tex] (Add 3w to both sides)

[tex]9w=18[/tex]

[tex]\frac{9w}{9}=\frac{18}{9}[/tex] (Divide both sides by 9)

[tex]w=2[/tex]

Hope this helps!

Hey there!

6w = 18 - 3w

18 - 3w = 6w
-3w + 18 = 6w


SUBTRACT 6w to BOTH SIDES

-3w + 18 - 6w = 6w - 6w


SIMPLIFY IT!

-9w + 18 = 0

SUBTRACT 18 to BOTH SIDES

-9w + 18 - 18 = 0 - 18


CANCEL out: 18 - 18 because it gives you 1

KEEP: 0 - 18 because it help solve for the w-value


NEW EQUATION: -9w = 0 - 18


SIMPLIFY IT!

-9w = -18


DIVIDE -9 to BOTH SIDES

-9w/-9 = -18/-9

CANCEL out: -9/-9 because it gives you 1

KEEP: -18/-9 because it give you the x-value


NEW EQUATION: x = -18/-9


SIMPLIFY IT!

x = 2


Therefore, your answer is: x = 2


Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

A cube has eight vertices (corners) and twelve edges. A segment, such as x, which joins two vertices not joined by an edge is called a diagonal. Segment y is also a diagonal. How many diagonals does a cube have?
a. 6
b. 8
c. 12
d. 14
e. 16

Answers

Answer:

On each face, there are $2$ diagonals like $x$. There are $6$ faces on a cube. Thus, there are $2\times 6 = 12$ diagonals that are "x-like".

Every "y-like" diagonal must connect the bottom of the cube to the top of the cube. Thus, for each of the $4$ bottom vertices of the cube, there is a different "y-like" diagonal. So there are $4$ "y-like" diagonals.

This gives a total of $12 + 4 = 16$ diagonals on the cube, which is answer {E}

Step-by-step explanation:

There are $8$ vertices on a cube(A, B, C, D, E, F, G, H). If you pick one vertice, it will have 7 line segments associated with it, so you will have $\frac{8\cdot7}{2} = 28$ segments within the cube. The division by $2$ is necessary because you counted both the segment from $A$ to $B$ and the segment from $B$ to $A$.

But not all $28$ of these segments are diagonals. Some are edges. There are $4$ edges on the top, $4$ edges on the bottom, and $4$ edges that connect the top to the bottom. So there are $12$ edges total, meaning that there are $28 - 12 = 16$ segments that are not edges. All of these segments are diagonals, and thus the answer is $\boxed{E}$.

another real estate agent sold a house for $315,000 last week if her commission is 1.25% of the selling price of the home find the amount of her commission. Please explain

Answers

Answer:

$ 3937.5

Step-by-step explanation:

First, we convert 1.25% into a decimal.

That would be .0125.

Now we multiply the decimal with the whole number to find our answer.

315000 × .0125 = 3937.5

Therefore, 3937.5 would be the amount of her commission.

-kiniwih426

What is 20 times 49087

Answers

Answer: 981740

Alternative forms : 9.8174 × 10⁵

Based on the given conditions, formulate:
20 × 49087

Calculate the product or quotient:
981740

I hope this helps you :)

The marked price of a radio set is 450000. A discount of 5% of the marked price is allowed. What is the selling price of the radio

Answers

Answer:

$427,500 dollars

Step-by-step explanation:

Given the following question:
Initial price = 450,000
5% discount

In order to find the answer, we simply find 5% of 450,000.

[tex]\frac{5\times450000}{100} =5\times450000=2250000\div100=22500[/tex]
[tex]450000-22500=427500[/tex]
[tex]r=427500[/tex]

The radio (after a 5% discount) costs "$427,500 dollars."

Hope this helps.

find the slope and y-inercep for y=x+4

Answers

Answer:

gradient = 1

y-intercept = 4

Step-by-step explanation:

the equation for a linear graph is y = mx+c, where m is the gradient, and c is the y-intercept.

hence, the gradient of the equation is 1 and the y-intercept is 4.

Y-intersept is 4 and the slope is c

im so confused......... :/

Answers

Answer:

1/14

Step-by-step explanation:

1/7 x 1/2 there are two parts to the rectangle and one is colored so its one half.

1/7x1/2 is multiply the tops and bottoms so you get1x1 over7x2 which equals 1/14

can y'all help me please​

Answers

Answer:

options 1 & 4

Step-by-step explanation:

The difference of 5 and 3:

5-3

One fourth of this difference:

(1/4) × (5-3)

Hope this helps

If the edge of a cube measures 8 cm. Find it volume, its surface area​

Answers

Answer:

Volume: 512cm

Surface Area: 384 cm

Step-by-step explanation:

Volume formula: V= length x width x height

Surface Area formula: A= 6a^2 ; a = edge

Tlaloc pumped up 56 balls. He pumped up 5 dodge balls for every 9 other balls. Complete the table.

Answers


Total: 14 (just add 5 + 9)

56/14 = 4, so we know each will be multiplied by 4

Dodgeballs: 5 * 4 = 20
Other: = 9 * 4 = 36

Total balls will be 14, dodge balls will be 20 and the number of other balls will be 36.

How to form an equation?

Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.

In another word, the equation is a set of variables that have been constructed.

In other words, an equation is a set of variables that are constrained through a situation or case.

The total ball will be the sum of dodge ball + other ball so it will be

5 + 9 = 14

The number of pumped up for a single ball

56/14 = 4

So the number of Tlaloc pumps of dodge ball will be  5 × 4 = 20.

Number of Tlaloc pump of other ball = 9 × 4 = 36.

For more about the equation

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Geometry problem in the picture: round to the nearest tenth

Answers

Answer:

51.2

Step-by-step explanation:

Previous
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Question
Each side of quadrilateral TVWX is tangent to ⊙Y. Find the perimeter of the quadrilateral.

Answers

keeping in mind that tangent lines to the same circle when intersecting each other outside the circle are the same length, Check the picture below.

-x+2y=17 and 2x+2y=-10

Answers

Answer:

What are you asking of us? To work out the value of X and Y?

14
2. You have $35 saved, and you receive $5 each week for your allowance. You want to purchase sneakers
that cost $250. Write an equation that calculates how much money you are saving if you don't spend any
of your allowance, How many weeks do you need to save before you can afford to buy the sneakers?

Answers

let n be the no. of week
($250-$35)/$5 = $215 / $5 = 43
hence, 43 weeks

list 3 equivalent ratios to the following and write them in all 3 ways.
7/21

Answers

Answer:

14/42, 56/168, 77/231, ...

Step-by-step explanation:

By multiplying both the nominator and the denominator by a same number, we get a different fraction but is equal to the fraction at the start.

7/21 = 7x2/21x2 = 14/42
7x8/21x8 = 56/168
7x11/21x11=77/231

Hope this helps :)

Ms. Lynch has 21 coins in nickels and dimes.
Their total value is $1.65. How many of each
coin does she have?

Answers

Answer:

Step-by-step explanation:So we know x + y = 21 and 5x +10y = 165 We line them up in columns    x +   y =   21  5x +10y = 165 To eliminate the x variable, I'll multiply every element in the 1st equation by -5. -5x + -5y = -105  5x + 10y =  165 Now we combine (add) the equations, which eliminates x altogether.  5y = 60   ...   y = 12 From there, x + 12 = 21  ...  x = 21-12  ...  x = 9 You should double check.  Do 9 nickles and 12 dimes equal $1.65? A very important thing to remember using this method is to do the same thing to each element in the equation that you change! I hope that helps.

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