Mathematics High School

what is the y value of the solution to the following system of linear equations?

Answers

Answer 1

Answer:

y = 3

Step-by-step explanation:

Related Questions

Which expression is equivalent?

7 − 4(2x − 3)
A) 8x + 5
B) 8x − 19
C) −8x + 5
D) −8x + 19

Answers

D is the answer -8x + 19

Answer:

this is so overdue

Step-by-step explanation:

The pig pen below has a width of 7 feet and a length of 4 feet. What is the area of the pig pen. Show your work and remember that area is in square units. Hog Pen with Cover: Little Buster Toys

Answers

Step-by-step explanation:

It sounds like you are looking for a rectangle.So to find the area you would multiply 7 by 4 to get 28 square feet for the area.

Fourteen subtracted from the product of a number and -3 is 25

Answers

Answer:

5.5 is the number.

Step-by-step explanation:

14-(-2x)=25

Solve the equation.

2x=11

x=5.5

The value of number is -13.

what is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values. . In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Fourteen subtracted from the product of a number and -3 is 25

let the number be x

product of a number and -3= -3x

and, Fourteen subtracted from the product of a number and -3

= -3x- 14

So, -3x -14 = 25

-3x = 25+14

-3x = 39

x= -13

Hence, the value of x is -13.

Learn more about Algebra here:

https://brainly.com/question/24875240

#SPJ5

Graph f(x) =
x and g(x) = -1/3x+2
on the same coordinate plane.

Answers

It’s not too hard,

I hope that helps.

Consider circle C with angle ACB measuring 3 pi/4 radians if minor arc AB measures 9 pi inches what is the length of the radius of circle C if necessary round your answer to the nearest inch

Answers

Answer:

r = 12 inches

Step-by-step explanation:

In this question, we are asked to calculate the length of the radius of the circle.

This is accessible from using the length of an arc.

Mathematically, the length of an arc can be calculated using the formula;

Theta/360 * 2 * pi * r

Where Theta is the angle subtended at the center and r is the radius of he circle.

According to the question, Theta is 3pi/4 radians or let’s just say 0.75pi . This to degrees will be 135 degrees ( pi = 180 degrees)

Thus we have;

9 pi = 135/360 * 2 * pi * r

divide through by pi

9 = 270r/360

360 * 9 = 270r

r = (360 * 9)/270

r = 12 inches

Answer:

Step-by-step explanation:

The ratio of hens to rabbits in the barn at Wunderlich Farms is 3 to 5. If there are nifty-six animals in the barn, how
many are rabbits?
11
35
21
36

Answers

Answer:

35 rabbits

Step-by-step explanation:

hens : rabbits : total

3 : 5 : 3+5

3 : 5 : 8

We have 56 total animals

56/8 = 7

Multiply each term by 7

hens : rabbits : total

3*7 : 5*7 : 8*7

21 : 35 : 56

There are 21 hens and 35 rabbits

I have a test to do today and I need help with it, i don't understand any of it. I will copy and paste it here: IQ scores are normally distributed with a mean of 100 and standard deviation of 15. 1) About what percent of people would have IQ between 85 and 115? 2) About what percent of people would have IQ between 70 and 130? 3) About what percent of people would have IQ above 130? 4) If a school had 255 students, about how many would you expect to have an IQ less than 70? 5) If a school had 1531 students, about how many would you expect to have an IQ greater than 145? 6) If a school has 354 students with an IQ between 100 and 130, about how many students does the whole school have?

Answers

Answer:

68%

Step-by-step explanation:

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. About 68% of individuals have IQ scores in the interval 100 ± 1 ( 15 ) = [ 85 , 115 ] .

Enter the division problem 15 ÷11 as a fraction.

Answers

Answer: 15/11

Step-by-step explanation:

Answer:

15 ÷ 11 as a fraction is 15/11. As a mixed number it is 1 4/11.

Step-by-step explanation:

can't figure this out.. please help if you can.

Answers

Answer:

1725 square feet

Step-by-step explanation:

[tex]area \: of \: yard = \frac{1}{2} (50 + 65) \times 30 \\ = 115 \times 15 \\ = 1725 \: {ft}^{2} \\ [/tex]

Answer:

1725 sq ft

Step-by-step explanation:

50+65=115

115/2=57.5

57.5*30=1725

Simplify the polynomial expression
(-2m2 + m - 15) - (4m2 + 7m - 2)

Answers

Answer:

-6m^2-6m-13

Step-by-step explanation:

(-2m^2+m-15)-(4m^2+7m-2)

-2m^2+m-15-4m^2-7m+2

-6m^2-6m-13

Find the value of the variables for each set or similar figures

Answers

Answer:

Step-by-step explanation:

Please help me I really need your help please help me

Answers

Answer:

Step-by-step explanation:

Q8) Diameter = 14 in

r = 14/2 = 7 in

Area of missing chunk = πr²/4

= (3.14 * 7 * 7)/4

=1/4(3.14*7*7)

option 4

Q9) 90 degrees

Q10) Each minute = 6°

In the figure shown, it is 15 minutes

= 15* 6 = 90 degrees

What are the coordinates of the x-intercept of the equation 2x - 3y = 8?

Answers

Answer:

(4;0)

Step-by-step explanation:

y=0

2x-3×0=8

2x=8

x=4

Mrs Andrews had 1 2/8 pizzas left after her pizza party.After giving some to mr.Andrews,she had 6/8 left.What fraction of the pizza did she give to mr.Andrews?Use the fraction models to help you solve the problem.

Answers

Answer: 4/8

Step-by-step explanation:

From the question, Mrs Andrews had 1 2/8 pizzas left after her party and after giving some to Mr Andrews, she then had 6/8 left.

To know the fraction given to Mr Andrews, we subtract 6/8 from 1 2/8. This will be:

= 1 2/8 - 6/8

= 4/8

She gave 4/8 to Mr Andrews.

Sasha is solving a multi-step equation. Her first step is shown below.
Equation: 3. - 8- 10x = 3(2x +3)
Step 1: 3 -- 10x - 8 = 6x + 9
Which properties did Sasha use to get to Step 1? Select all that apply.

addition property of equality

associative property of addition

commutative property of addition

multiplication property of equality

distributive property of multiplication over addition

Answers

Answer:

On the left side, she used commutative property

On the right side, she used distributive property

Step-by-step explanation:

A bag contain 8 blue balls, 7 green balls and 5 red balls.What is the probability that the ball is red?

Answers

Answer:

A bag contains:

8 blue balls.

7 green balls.

5 red balls.

The probability that the ball is red would be:

P = Red balls/Total balls = 5/(5+7+8) = 5/20 = 1/4 =0.25

Hope this helps!

Answer:

0.25

Step-by-step explanation:

Total balls: 8 + 7 + 5 = 20

Red balls: 5

P(red) = 5/20 = 0.25

The system of linear equations 5x+3y=3 and X+y=-1 is graphed below.

What is the solution to the system of equations?
O (4,3)
O 1-3.4)

Answers

Answer:

(3, - 4) is the solution to the system of equations.

Step-by-step explanation:

1. Rewrite one of the equations so it eighter starts with y= or it starts with x=

Here the easy way is to write X+y=-1 in the form x=

X= - y - 1

2. Substitute X= - y - 1 in the other equation 5X+3y=3:

5X+3y=3

X= - y - 1

5(- y - 1)+3y=3

-5y -5 +3y = 3

-2y = 3 +5

2y = -8

y = - 4

3. Now substitute this value y = - 4 in X= - y - 1

X= - (y) - 1

y = - 4

X= - (- 4) - 1

X = 4 - 1

X =3

4. So X =3 and y = - 4 gives this coordinate (3, - 4), which is the solution to the system of equations.

Park View Apartments has 2 buildings. Each building has 3 floors. Each floor has
16 windows. What is the total number of windows in the Park View Apartment
buildings?
What Is The Answer

Answers

Step-by-step explanation:

2 Buildings : 3 Floors Each : 16 Windows per Floor

Multiply 2 and 3 to get the total amount of floors.

2 times 3 equals 6

Then, multiply 6 and 16 to get the total amount of windows in the Park View Buildings.

6 times 16 equals 96

Therefore, there are 96 windows in total or 48 windows per building

•

Suppose you had 28 baskets of 6 apples and 5 baskets of 9 apples.

How could you quickly figure out how many baskets of 3 apples you could create?

Answers

Answer:

71 baskets of 3 apples.

Step-by-step explanation:

From each of the 28 baskets of 6 you can get 6/3 = 2 baskets of 3.

From each of the 5 baskets you can get 9/3 = 3 baskets of 3.

Therefore:-

From the 28 baskets you can create 28 * 2 = 56 baskets of 3.

From the 5 baskets of 9 you can get 5 * 3 = 15 baskets of 3.

Total 15 + 56 = 71.

If an event has an 80% probability of happening, which word is the best description?
(1 Point)
Certain
Likely or Probable
Unlikely or Unprobable
Impossible

Answers

Answer:

likely or probable

Step-by-step explanation:

hhhgfd

Likely or probable

Answers

Answer: B, C and E

Step-by-step explanation:

Noah pays $25.20 for non-perishable food items to give to the local homeless shelter,
The price includes a 5% sales tax.
What is the price before tax, 6, of
the food items?
b=$
w

Answers

Answer:

The original price of the food items was 24.

Solve the following:

A) a/5+3=8
B) 3b/7-1=5

Answers

Answer:

A)25

B) 14

Step-by-step explanation:

A) a/5 + 3 = 8

a/5 = 8 - 3

a = 5 x 5

a = 25

B) 3b/7 -1 =5

3b/7 = 5+1

3b = 6 x 7

b = 42/3

b = 14

4) Gina pays $0.50 each time she plays a carnival game. The game is on a spinner with 12 equal-sized sections, labeled 1 through 12. She wins a prize if the pointer lands on 3, 5, or 7. If Gina spends $4 playing the game, predict the number of prizes she can expect to win.

Answers

Answer: 2 prices

Step-by-step explanation:

Price per play = $0.50

Total amount incurred by Gina in playing =$4

Therefore, total games played :

$4 ÷ $0.5 = 8 games.

Total points on spinner = (1,2,3,4,5,6,7,8,9,10,11,12)

Required for winning = (3, 5, 7)

Probability of winning:

P(WIN) = ( required outcome / Total possible outcome)

P(win) = 3/12 = 1/4

Therefore, the number of prices she can expect to win is (1/4) × number of games (8)

(1/4) × (8) = 2

hey guys! i would be a HUGE favor if you could help me out with this problem. thx so much, it means alot!! <3

Answers

Answer:

They do have the same solution

Step-by-step explanation:

In the first problem, you subtract 3/4 first. Next you would divide by 2/3. When you divide 7 1/4 by 2/3, you get 87/8. The only step in the second problem is to divide 87 by 8 (87/8).

thomas bought a bag of jelly beans that contained 10 red, 15 blue, and 12 green. what is the probiblity of thomas reaching into the bag and pulling out a red jelly bean and then reaching in again and pulling out a green or blue one? assume that the first jelly bean is not replaced

Answers

Answer:

20%

10/37 * 27/36 = .202727 >>> 20%

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Answers

Answer:

the answer you are looking for is b=7

The absolute value of -1/4 is

Answers

Answer: 1/4

Explanation: Remember that the absolute value of a number is just the positive version of that number. So the absolute value of -1/4 is 1/4.

Determine the intercepts of the line.
y=5x-13y=5x−13

Answers

Answer:

Step-by-step explanation:

hello : y=5x-13

x-intercept : when y=0 means : 5x-13=0 5x=13 so: x=13/5

y-intercept : when x=0 means : 5(0)-13=y y= - 13

Answer:

Y = (0, -13)

X = (2.6,0)

Step-by-step explanation:

5 * 0 -13 = yy = 0 - 13y = -13 (0, -13)X = 0 = 5x - 1313 = 5x13/5 = 13/5 = 2.6X(2.6,0)

Find the perimeter and the area of the polygon with the given vertices.

S (3,0), T (3,9), U (8,9), V (8,0)

Answers

Answer: area =45 perimeter=28

Step-by-step explanation: height is 9, length is 5 5x9 =45

9+9+5+5= 28

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