х = 3y — 1
3х – бу = 12

Answers

Answer 1
Answer: x=14 and y=5

Work:
Answer 2

Answer:

1000000

Step-by-step explanation:

29292929292

sjsksksksn2292020wmz


Related Questions

Solve: log x = 2 (note: x is a subscript)

Answers

Answer:

Wouldn't it be just 2 since it's already solved

Solve 2x<10. Explain how to find the solution set.

Answers

Answer:

X<5

Step-by-step explanation:

Divide by 2

Answer=5

Step-by-step explanation:

You can solve this question step by step as follows;

here

2x<10

place 2 to another side and you know it divides 10

or, x<10/2

or,x<5

therefore the answer is 5

A farmer receives a shipment of 40 1/2 kilograms of animal food. The animal food comes in bags weighing 13 1/2. What is the value of 40 1/2 divided by 13 1/2

Answers

Answer:

3

Step-by-step explanation:

Given that:

Weight of shipment = 40 1/2 kg

Weight per bag = 13 1/2 kg

The value of 40 1/2 divided by 13 1/2 will be ;

40 1/2 ÷ 13 1/2

81 /2 ÷ 27 /2

81/2 * 2/27

= 162 /54

= 3

A study involves a population of 400 tall women. This population has a mean height of 179.832 cm and a standard deviation of 12.192 cm. If 50 of these women are randomly selected, find the probability that the mean for this sample group is above 182.88

Answers

Answer:  0.0386

Step-by-step explanation:

Given: The population of 400 tall women has a mean height[tex](\mu)[/tex] of 179.832 cm and a standard deviation[tex](\sigma)[/tex] of 12.192 cm.

Let X be a random variable that represents the height of woman.

Sample size : n= 50

The probability that the mean for this sample group is above 182.88 will be :

[tex]P(\overline{X}>182.88)\\\\=P(\dfrac{\overline{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}>\dfrac{182.88-179.832}{\dfrac{12.192}{\sqrt{50}}})\\\\ =P(Z>1.7678)\ \ \ [Z=\dfrac{\overline{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}]\\\\=1-P(Z<1.7678)\\\\=1-0.9614\ \ \ [\text{By p-value table}]\\\\= 0.0386[/tex]

Hence, Required probability =  0.0386

a+4=48
vtdcvjyKBFHDAKu

Answers

44

Step-by-step explanation:

a+4=48

a+4=48

a=48-4

a=44

Can anyone give me some good animes to watch on Netflix and Hulu? Preferably in English. Thanks in advance. I like action animes best btw, but I'll try whatever

Answers

Answer:

black clover on hulu and I guess sword art online on Netflix

depends which animes have you seen? you could watch psycho pass, baki, parasyte, kakeguri, black clover, and One Piece

Write the equation in slope intercept form that has a slope of -3 and goes through the point

(0, 3).

Answers

Answer:

y=-3x+3

Step-by-step explanation:

your y in your points in the b in y=mx+b because it's the y intercept and then the slope is -3

A tow truck company in Houston charges a $40 service call fee and an additional fee of $15 per mile that the vehicle is towed. Write an equation in slope intercept form where c represents the total cost and m, represents the number of miles the vehicle is towed.

Answers

Answer:

c=15m+40

Step-by-step explanation:

Step one:

given data

charged = $40 call fee

additional charges= $15 per mile

let the number of miles be m

and let the total charges be c

Required, the linear function which represents the total charges

Step two:

the equation for the charges in slope-intercept form is

c=15m+40

392,196 divided by 87 (Using long division)

Answers

The result of 392,196 divided by 87 is 4,508.

What is long division?

Long division is a mathematical process to divide numbers by using multiple steps. This process is applied to big numbers because it facilitates the process of dividing without using a calculator.

What are the steps for long division?

Here are the steps you need to follow:

1. Identify the divident and the divisor.

Divident: 392,196

Divisor: 87 (number that divides)

2. Start dividing using one number at a time.

39 / 87 = 0392 / 87 = 4 (87x 4 = 348) - 4 is the first digit of the result392 - 348 = 44 (remainder)441 (next digit is one) / 87 = 5 (87x 5= 435) - 5 is the second digit441-435 = 6 (remainder)69 / 87 = not possible so add a 0, which is the third digit696 / 87 = 8 (87x 8 = 696)696- 696 = 0 (not remainder)

Learn more about division in: https://brainly.com/question/369266

helpieeeeeeeeeeeeeeeee plzzzzzzzzzzzz owo Will make brainlist

Answers

Answer:

9x^2-3x - 12

Step-by-step explanation:

(9x^2 + 6x - 7) + (-9x -5)

Simplify the expression:

9x^2 - 3x - 12

Factor:

Add and subtract the second term to the expression and factor by grouping.

3( x + 1 ) ( 3x - 4 )

Standard form:

9x^2 - 3x - 12

I hope this helps :)

What is the solution set for 9x2-25=0

Answers

Answer: i hope i helped if not im truly sorry

Solving for 9x^2 - 25 = 0

Standard form:

9x2 − 25 = 0

Solutions based on quadratic formula:

x1  

= −0 − √ 02 − 4×9×(−25)  

2×9

= 0 − 30 × √ 1  

18

≈ −1.667

x2  

= −0 + √ 02 − 4×9×(−25)  

2×9

= 0 + 30 × √ 1  

18

≈ 1.667

Extrema:

Min = (0, −25)

Step-by-step explanation: im not dumb and im not smart

write a equivalent equation for the 2

Answers

4x-10= 2x-5
100-30x= -15x+50
I didn’t know which one you wanted me to do so I just did both!
Hope this helps!!!

first person to answer get brainliest. 75 × 62 - 58 + 68 - 58

Answers

Answer:

4602

Step-by-step explanation:

Answer:75 × 62 - 58 + 68 - 58 = 4602

Step-by-step explanation:

Bill buys a new machine.
The value of the machine depreciates by 20% each year.
Bill wants to work out the value of the machine after 2 years.
By what single decimal number should Bill multiply the value of the machine when new?​

Answers

Answer:

For a, the machine depreciates 20% of its current value each year.  So, It will lose 20% of its value in the first year.  Then in the second year, it will lose 20% of THAT value (not of the original value) and so on.

b) Since the machine loses 20% of its value each year, it retains 80% of its value each

You might need:
Calculator
ZB
Round your answer to the nearest hundredth.
С
5
2
B
Anyone know?

Answers

Answer:

Step-by-step explanation:

One zettabyte is equal to 1, 000 exabytes or 1021 or 1, 000, 000, 000, 000, 000, 000, 000 bytes. A zettabyte is a little bit smaller than zebibyte that contains 1, 180, 591, 620, 717, 411, 303, 424 (2^70) bytes, and is abbreviated as “ZB”.

True or False. Rotations do NOT preserve lengths of segments and degrees of
measures of angles.
True
False

Answers

Answer:

false

Step-by-step explanation:

i need help to solve please

Answers

Answer:

x = 24

Step-by-step explanation:

Here, The Right angled triangle is given

So, The sum of angles of right angled triangle is 180

Now,

2x + 42 + 90 = 180

2x + 132 = 180

2x = 180 - 132

2x = 48

x = 48/2

x = 24

FOR VERIFICATION ONLY:

2x + 42 + 90 = 180

2(24) + 42 + 90 = 180

48 + 42 + 90 = 180

180 = 180

Hence, L.H.S = R.H.S

-TheUnknownScientist

Write a rational inequality with the solution: (-2,-1)U(1, oo)

Answers

Answer:

[tex]\displaystyle \frac{x^2+3x+2}{1-x}<0[/tex]

Step-by-step explanation:

Rational Inequality

We are given the solution of rational inequality:

(-2,-1) U (1,∞)

The first set suggests a limited zone than can be obtained by a quadratic equation of the form:

[tex](x-a)(x-b)<0[/tex]

Where a and b are the roots of the equation, which coincide with the endpoints of the interval. Thus, to get the interval, we can use:

[tex](x+2)(x+1)<0[/tex]

Operating:

[tex]x^2+3x+2<0[/tex]

The second set is an open infinite interval, that can be modeled as a third binomial that changes signs in x=1 and is in the denominator, so x=1 is not included.

Thus, one possible inequality is:

[tex]\mathbf{\displaystyle \frac{x^2+3x+2}{1-x}<0}[/tex]

The solution to the inequality (-2,-1)U(1, ∞) is (-2, ∞)

Inequality

An inequality is an expression used to show the relationship between two or more numbers and variables.

A rational inequality is an inequality that contains a rational expression.

Given the inequality (-2,-1)U(1, ∞).

The solution to the inequality is (-2, ∞)

Find out more about Inequality at: https://brainly.com/question/24372553

In a school orchestra, the ratio of girls to boys is 3 : 2. There are 75 students in the orchestra. How many boys are in the orchestra?

Answers

There are 3 girls to every 2 boys, so our equation is 3g+2b=75.

First we are going to do 3+2=5
Then 75/5=15
Then we want to put 15 where our variables are and solve the equation.
3(15)+2(15)=75
45 + 30 = 75

The equation is true, so the answer is that there is 45 girls and 30 boys

There were 30 boys in Orchestra.

We have,

Total students in Orchestra= 75

Ratio of Girls to Boys = 3 :2

So, Number of Girls in Orchestra

= 3/5 x 75

= 3 x 15

= 45

and, Number of Boys in Orchestra

= 2/5 x 75

= 2 x 15

= 30

Thus, 30 Boys were in Orchestra.

Learn more about Ratio here:

https://brainly.com/question/13419413

#SPJ3

How many solutions does y=x^2+5x-7 have

Answers

Answer:

2

Step-by-step explanation:

because their is 2 x's

HELP WILL GIVE BRAINEIST

Answers

Answer:

x > 9/5

Step-by-step explanation:

Solve for x.
3x - 7(2x + 6) = 22
PLS I NEED IT RIGHT NOWW

Answers

Answer:

x=-64/11

Step-by-step explanation:

3x-14x-42=22

-11x-42=22

-11x-42+42=22+42

-11x=64

Answer:

[tex] - 5 \frac{9}{11} [/tex]

Step-by-step explanation:

[tex]3x - 7(2x + 6) = 22 \\ \\ 3x - 14x - 42 = 22 \\ \\ - 11x = 22 + 42 \\ \\ - 11x = 64 \\ \\ x = \frac{64}{ - 11} \\ \\ x = - 5 \frac{9}{11} [/tex]

Elwin is attempting to read a 480 page book in 28 days. He reads the first 60 pages in 4 days. At this rate, will he finish the book in time? Show your work and/or explain your reasoning.

Answers

Answer:

No, he won't

Step-by-step explanation:

Given

Target = 480 pages in 28 days

Rate = 60 pages in 4 days

Required:

Determine if he'll reach his target

The rate can be expressed using:

[tex]Rate = \frac{Pages}{Days}[/tex]

So, we have:

[tex]Rate = \frac{60\ pages}{4\ days}[/tex]

Multiply the fraction by [tex]\frac{7}{7}[/tex]

[tex]Rate = \frac{60\ pages}{4\ days} * \frac{7}{7}[/tex]

[tex]Rate = \frac{60\ pages * 7}{4\ days * 7}[/tex]

[tex]Rate = \frac{420\ pages}{28\ days}[/tex]

This can be interpreted as: 420 pages in 28 days

And his target is 480 pages in 28 days

Hence, he wont finish the book at that rate

what is the y-intercept of 10x + 5y = 30

Answers

Answer: 6

Step-by-step explanation: The y-intercept is 6 and the slope is -2.

First, we subtract 10x.

5y = -10x+30

Then we divide by 5.

y = -2x + 6

Now we have everything we need!

So the y-intercept is 6.

Hope this helps! :)

The y-intercept is "6".

Intercept:

Given:

[tex]10x+5y=30[/tex]

y-intercept

[tex]10x+5y=30[/tex] y-intercepts

When y-intercepts the value it indicates that x=0 then

[tex]\to 10x+5y=30\\\\\to 10(0)+5y=30\\\\\to 5y=30\\\\\to y=\frac{30}{5}\\\\\to y=6[/tex]

When the y-intercept is value will be "6".

Find out more information about intercept here:

brainly.com/question/21197151

pls pls pls help! (if ur not gonna answer the question pls dont comment).

Answers

Answer:y-10=5/2(x-4) (the third choice)

Step-by-step explanation:

Point slope form is

y-y1=m(x-x1)

So y-10=5/2(x-4)

1.factor 12x^2+9
2.factor 25x^2-35
3.factor -x^2 - 2x
4.factor -5x^2+7x
5.factor -14x^2-7x
6.factor 27x^2-9x

Answers

1) 3(4x^2+3)
2) 5(5x^2-7)
3) -x(x+2)
4) -x(5x-7)
5) -7x(2x+1)
6) 3x(9x-3)
I hope that helps!

-2m=6
Solve the equation using full working out

Answers

Answer:

m = -3

Step-by-step explanation:

-2m=6

Divide both sides by (-2).

m = 6 ÷ (-2)

m = -3

HELP PLZ THIS IS DUE IN 7 MINS AND I WILL GIVE U BRAINLIEST JUST PLZ....

Answers

Answer: you add 1/6 each time and add the hour until you get 2/3

Step-by-step explanation: 1/6=1 1/3=2 and you keep going

Answer:

You can use the number line to find how many hours it will take the company to build the fence by multiplying whatever number you land on by 6

Step-by-step explanation:

If they build one mile of fence, it took 6 hours to build that much

If they build three miles of fence, it took them 18 hours to build that much

And so on and so forth

yall please hurry i WILL MARK BRAINLEST IF CORRECT OR FOR FIRST PERSON

Which statement is correct? StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction less-than-or-equal-to (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline) StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction less-than (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline) StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction greater-than (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline) StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction = (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline)

Answers

Answer:

A EDGE 2021!

Step-by-step explanation:

find the slope of a line parallel to each given line y = x + 2

Answers

Answer:

y = x + 4

Step-by-step explanation:

For a line to be Parallel it has to have the same slope but different y intercept

Answer:

1

Step-by-step explanation:

This equation is written in the

y = mx + b,

where "m" is the slope, and "b" is the y-intercept.

In this case, m=1, hence the "x" has no coefficient; therefore, the slope of the given line is 1.

When 2 lines are parallel, they run next to each other, for infinitely long, yet they never touch. This means that 2 parallel lines have the same slope. Hence a line running parallel to the given one will also have a slope of 1.

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