4. Solve the system using substitution.
x + 2y = -1
y = -3x - 8
A. (-3, 1)
B. (-3,-1)
C. (2,-2)
(-3,-17)

Step-by-step explanation:

good luck

Answer:

C: $3

Step-by-step explanation:

I think you're saying that the chips cost $4, so that's what I'm going with.

You can think of 25% as 1/4 of the whole. So if you divide 4 by 4, you get 1, so that means that 1/4 of the price is 1.

Now you can subtract 1 from 4 : 4-1= $3

Hope that helps!

Answer:

[tex]y^{6}[/tex]

Step-by-step explanation:

Combine exponents by multiplying (2x3=6)

Answer:

[tex]y^6[/tex]

Step-by-step explanation:

[tex](y^2)^3[/tex]

Use the rules of exponents to simplify the expression.

[tex](y^2)^3[/tex]

To raise a power to another power, multiply the exponents.

y^2x3

Multiply 2 times 3.

y^6

Answer:

Step-by-step explanation:

90

Answer:

it's 2/5 (0.4)

Step-by-step explanation:

y-y1

-------

x-x1

8-6

----

9-4

2

--

5 = 2/5 =0.4

Answer:

Answer to Question 1: 2.3 miles per gallon

Answer to Question 2: x = 2.371

Step-by-step explanation:

Question 1 (explanation): 36.8 (miles on one tank of gas) / 16 (gallons of gas that Fred's car hold) = 2.3 (miles that Fred's car can travel per gallon)

Question 2 (explanation): 11.001 - 8.63 = 2.371

I hope this helps :)

Answer:

Step-by-step explanation:

y = x² + 6x + 12

 = x² + 6x + 3² - 3² + 12

 = (x+3)² + 3

vertex (-3,3)

Answer:

-3, 9

Step-by-step explanation:

The constant is 4.

Answer:

20

Step-by-step explanation:

Answer:

I've attached a pic how the graph will look like

Answered by GAUTHMATH

Answer:

The total cost would be: $62.14

Step-by-step explanation:

First convert the percent to a decimal, so since it is 4%, you move the decimal two places to the right, so it would be .04.

Next, multiply $59.75 x .04%.  This equals $2.39.

Then, take the product and add it to $59.75. So, $59.75 + $2.39.

This equals $62.14!

Answer:

ABCD is a cyclic quadrilateral in the circle.which sum of two opposite angle is 180

Answer:

I'm not sure but from my calculations,it is 400

Answer:

400

Step-by-step explanation:

In order to find out a percentage of something you divide the percent by 100 (12/100) to get a decimal, which would be 0.12. Now with this we already know 12% of something is 48 and in order to find what we took 12% from we divide 48 by 0.12.

48÷0.12 or 48/0.12 = 400

Answer:

The terms are 25x and 7

Step-by-step explanation:

Answer:

30°

Step-by-step explanation:

The measure of angle the ladder makes with the wall = 180 - (the measure of angle the ladder makes with the ground + 90°)

Measure of angle the ladder makes with the ground = 180 - 120 = 60°

Therefore,

The measure of angle the ladder makes with the wall = 180 - (60 + 90°)

= 30°

Answer:

96

Step-by-step explanation:

triangle = (12 * 10)/2 = 60

square = 6*6 = 36

triangle + square = 96

Answer:

3. One Solution. (0,4). (they have different slopes and y-intercepts)

The solution can be found using elimination method:

Add the equations together

y = -x + 4

y = x - 4

2y = 0

y = 0

Solve for x

0 = x - 4

x = 4

(4, 0)

4. No solution

x + y = -2 and 3 which is not possible

The two lines would be parallel

Answer:

Check pdf

Step-by-step explanation:

Answer:

42% i hope its right if not sorry

Step-by-step explanation:

Answer:

2x+4y-12

Step-by-step explanation:

2x+4y-12

Step-by-step explanation:

2(x+2y-6)

2x+4y-12

Hope it helps you

Step-by-step explanation:

{(163²)²} × (0.045701-12/2×3.357470126)

4330747×-20.0991198

8.70

Answer:

The answer is c! 7,36,60,30

Step-by-step explanation:

To answer this equation you have   to find  a number that fits the description of what is required. It may seem difficult but it's not  first off it's trial and error  you have to find the right equation for every given number. For example,  what makes 15  equal 5  true? To make the equation true you have to do 15 divided by 3 equals 5  now we take the / 3 and apply them to all the other numbers  so 21 / 3 is  7 ,  36  divided by 3 is 12  hi, 60 / 3 is 20 ,  90 /3 is 30. If you have any other question like this all you have to do is trial and error with a number to make the equation true hopefully that helps! (B.t.w / symbol means divided by)

Answer: The answer would be the second choice where triangle RQS is congruent to triangle TVU.

Step-by-step explanation: In both triangles, look at the locations of the congruent sides that’s shown by different tick marks. Side RQ is congruent to side TV. Side QS is congruent to side VU. Side RS is congruent to side TU.

Answer:

[tex] \frac{6}{24} \: or \: 0.25 \: or 25\%[/tex]

Step-by-step explanation:

First add them all up to get the total amount of seats.

6+10+8=24

there are 6 seats in the front row. so that means it will be

[tex] \frac{6}{24} [/tex]

24÷6=0.25

0.25×100=25%

Probability can be answered with a fraction, decimal or a percentage, they are all correct.

Answer:

D) 21

Step-by-step explanation:

y= -7/12× -36

or, y= -7×-3

or, y= 21

Answer:

D

Step-by-step explanation:

Given

[tex]\frac{-7}{12}[/tex] = [tex]\frac{y}{-36}[/tex] ( cross- multiply )

12y = 252 ( divide both sides by 12 )

y = 21 → D

Answer: 3/5

Step-by-step explanation:

60% as a fraction is 60/100.

You can simplify 60/100 to 30/50 then simplify that further to 15/25 then using the 5 times tables you can simplify that to 3/5.

Answer:

231.07 in^2

Step-by-step explanation:

The radius of the semicircle is 14/2 = 7 in

22x14 - 3.14x(7^2)/2 = 231.07 in^2

Answer: 231.07 m^2

Step-by-step explanation:

Area of the remaining paperboard = Area of the entire paperboard - Area of semicircle

1. area of paperboard = l*b = 22*14 = 308 m^2

2. area of semi circle = 1/2 pi r^2 = 1/2*3.14*49/2

Therefore, area of remaining paperboard = 231.07 m^2