Brenda needs to solve the system of linear equations below for her homework assignment. y = 9x – 70 y = 2x – 32 Which is a reasonable estimate of the solution to this system of linear equations?

A. (8, -25
B. (7, -24)
C. (5, -22)
D. (3, -20)

Answers

Answer 1

Answer:

C (5, -22) is the answer


Related Questions

2 brownies where shared by 3 friends, how much do they get ​

Answers

Answer: 1.5

Step-by-step explanation: you just have to divide 3÷2 and you will get 1.5

Can you help meh answer for brianliest

Answers

Answer:

1st One- 1 13/30

2nd One- 1 13/20

3rd One- 1/6

Step-by-step explanation:

Because yes

Answer:

1 13/30      1 13/20      1/6

Step-by-step explanation:

because i am smart

The y-intercept of the line whose equation is x - y = 7 is

7
1
-7

Answers

Answer:

-7

Step-by-step explanation:

x-y=7

-y=-x+7

y=x-7

hope it helps

Jacy paid $15.48 to download 12 songs last month. She paid the same amount for each song and also had to spend $5.04 to enroll in the music purchasing program.

Part A
Let s represent the amount that Jacy paid for each song she downloaded.
Which equation could you use to find the value of s?
12s = 15.48
15.48 + s = 12 + 5.04
12 + s = 15.48 + 5.04
12s + 5.04 = 15.48

Answers

12s = $15.48

Hope this helps!
Have a nice day :)

The solution is, 12s + 5.04 = 15.48, is the equation which could you use to find the value of s.

What is equation?

An equation is a  mathematical statement that is made up of two expressions connected by an equal sign.  In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.

here, we have,

given that,

Jacy paid $15.48 to download 12 songs last month.

She paid the same amount for each song and also had to spend $5.04 to enroll in the music purchasing program.

now, we have,

Let s represent the amount that Jacy paid for each song she downloaded.

so, we get,

She paid the same amount for each song and also had to spend $5.04 to enroll in the music purchasing program.

i.e. 12s + 5.04

and, Jacy paid $15.48

i.e. the equation which could you use to find the value of s is,

12s + 5.04 = 15.48

Hence, The solution is, 12s + 5.04 = 15.48, is the equation which could you use to find the value of s.

To learn more on equation click:

brainly.com/question/24169758

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The point (2, -7) is reflected across the x-axis.

What are the coordinates of the image of the point?

Answers

Answer:

(2,7)

Step-by-step explanation:

When you reflect something across the X-axis, the y coordinate changes sign.

can somebody help me??

Answers

Answer: two solutions and

Step-by-step explanation:

PLEASE ANSWER I WILL MARK AS BRAINLIEST

The Bobcats football coach logged the following yardage gains and losses over four plays of a game.

Gain 25x yards.
Gain 0.9y yards.
Lose 12y yards.
Lose 5.2x yards.
What is the net yardage for these four plays?

Enter your answer as an expression, like this: 42x+53y

Answers

I think the answer is the tthhiirrdd one

The expression to represent the net yardage is 30.5x+12.9y.

What is an expression?

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

Given that, gain 25x yards, gain 0.9y yards lose 12y yards and lose 5.2x yards.

Now, net yardage

= 25x+0.9y+12y+5.5x

= 30.5x+12.9y

Therefore, the expression to represent the net yardage is 30.5x+12.9y.

To learn more about an expression visit;

https://brainly.com/question/28170201.

#SPJ2

Please help!! I will mark you brainliest

Answers

Answer:

8x-3=5x+6

Step-by-step explanation:

8x-3=5x+6

3x=9

x=3

URGENT PLEASE HELP Enter the value of (1/2) (-8) (4). Use the on-screen keyboard to enter the value in the box below.

Answers

Answer:-16

Step-by-step explanation:

-16 bc it is what it is

Jayden drew a scale drawing of an arcade. He used the scale 1 inch = 3 feet. If an air hockey table is 3 inches long in the drawing, how long is the actual air hockey table?

Answers

Answer:

9 Feet

Step-by-step explanation:

Lets start with a ratio:

1:3

Now lets look at the other ratio:

3:?

If the 1 turned into a three in the second ratio, then what will the 3 in the first ratio turn into?

9!

Because 1x=3 should be equivalent to 3x=9

Lets check our work:

x=3

3x=9

Simplify by dividing by 3 on both sides:

x=3

x=3

It worked!

The answer is 9 feet. If the air hockey table is 3 inches long and 1 inch = 3 feet, 3 x 3 = 9.

How would the intervals of the solution set differ between a polynomial inequality and a rational inequality?​

Answers

Answer:

Two differences: A polynomial inequality (PI) can always be replaced by a PI with one side zero. A rational inequality (RI) can not, because you do not know the sign of the denominator; a(x)b(x)>c(x)d(x) can not safely be replaced by a(x)d(x)−b(x)c(x)b(x)d(x)>0 because b(x) and/or d(x) might change signs unexpectedly.

Step-by-step explanation:

-12(x + 6.2) = 60 what does x equal​

Answers

Answer: its 11.2 my good sir

Step-by-step explanation:

Im jsut smort trust me its right

The graph of 3x − 2y = -1 is shown on the grid.

Answers

Answer:

slope: 3/2, y-intercept: (0,1/2)

Step-by-step explanation:

Graph the line using the slope and y-intercept, or two points.

Consider the expressions given below. For each expression below, select the letter that corresponds to the equivalent expression from that given list.

Answers

Answer:

(4x³ - 4 + 7x) - (2x³ - x - 8)  ---->  B.

(-3x² + x⁴ + x) + (2x⁴ - 7 + 4x)  ---->  D.

(x² - 2x)(2x + 3)  ---->  A.

Step-by-step explanation:

.

The sum of four consecutive odd integers is –72. Write an equation to model this situation, and find the values of the four integers.


A.
n + n + 2 + n + 4 + n + 6 = –72; n = –21; n + 2 = –23; n + 4 = –25; n + 6 = –27

B.
n + (n – 2) + (n – 4) + (n – 6) = –72; n = – 21; n – 2 = –23; n – 4 = –25; n – 6 = – 27

C.
n – (n + 2) – (n + 4) – (n + 6) = –72; n = –20; n + 2 = –18; n + 4 = –16; n + 6 = –14

D.
n + n + 2 + n + 4 + n + 6 = –72; n = –21; n + 2 = –19; n + 4 = –17; n + 6 = –15

Answers

Answer:

D. n+n+2+n+4+6= -72; n= -21; n+2= -19; n+4= -17; n+6= -15

There are 2 below and 2 above it.

-15, -17, -19, -21

Step-by-step explanation:

the sum of four consecutive odd integers is -72. write an equation to model this situation, and find the values of the four integers .

n + n+2 + n+4 + n+6 = -72

4n + 12 = -72

or

-72/4 = -18, the center


can you solve for x and y pls hurry ...

Answers

Answer:

x=50 y=25

Step-by-step explanation:

brainliest pls

42 slices from 3 cakes = 84 slices from____ cakes

Answers

6 Cakes man 6 cakes 42*2 3*2

Answer:

42 slices from 3 cakes = 84 slices from 6 cakes

Step-by-step explanation:

Let the unknown value be x

[tex]42 = 3\\84 =x\\\\[/tex]

Cross Multiply

[tex]42\times x = 84\times 3\\\\42x = 252[/tex]

Divide both sides of the equation by 42

[tex]\frac{42x}{42} = \frac{252}{42} \\\\Simplify\\\\x =6[/tex]

How many grams are there in 55 kilograms? O A. 550 g O B. 5,500 g O C. 55,000 g O D. 550,000 g

can someone please help me :(​

Answers

Answer:

The answer is C. 55,000

Step-by-step explanation:

Hope this helps ;)

?????????????????????????????

Answers

Answer:

92°=180°/y° I think this is correct

I need help I don't understand​

Answers

Answer:

Step-by-step explanation:

Angle LPR and Angle PLN are supplementary to one another

9x+26+5x=180

Combine like terms

14x+26=180

Subtract 26 from both sides

14x=154

Divide 14 on both sides

x=11

Hope it helped :))

I need help with this asap plzzz&thank u!!

Answers

Answer:

94hhfgkifc llo gfc bbn jdcjkydcjkufv

Which of the following points does not lie on the graph of y = 1/2x+3?
1) (10,8)
2) (0,3)
3) (-2,2)
4) (-6,-3)

Answers

Answer:

number 1 doesn't lie on the graph

Step-by-step explanation:

and I don't really have an explanation

Number one doesn’t lie hope this helps on what ever test or homework you are doing buddy

(:

Sam plans to double his savings each day. He starts
with $0.03 in his account. How much will be have saved
after 30 days?

Answers

Answer:

$32212254.72

Step-by-step explanation:

Initial value = $0.03Increase rate = 2 times each dayTime = 30 days

Saving amount after 30 days:

$0.03*2^30 = $32212254.72

PLS I NEED HELP ASAP!! WILL GIVE BRAINLIEST

Answers

Answer:

x over 2

Step-by-step explanation:

In a certain​ chemical, the ratio of zinc to copper is 3 to 13 . A jar of the chemical contains 585 of copper. How many grams of zinc does it​ contain?

Answers

Answer: 135 grams of Zinc

Step-by-step explanation:

The ratio of Zinc to Copper in this scenario is 3:13 and in this jar there is 585 of Copper.

Using direct proportion, the grams of Zinc in the jar is:

3        :           13

x        :           585

Cross -multiplying will give:

1,755 = 13x

x = 1,755/13

x = 135 grams of Zinc

Someone please help me with thiss

Answers

Answer:

The total trip will be 4 hours long.

Step-by-step explanation:

The length of the trip decreases by 65/2 miles for every half hour. So in 2 half hours (or 1 hour), Aubree would have traveled the last 65 miles she needed.

Unfortunately, Fred had some trouble in the kitchen and 3/5 of the peanut butter cookies were burned. a. How many peanut butter cookies does Fred have left to sell?

Answers

Answer: 12 peanut butter cookies

Step-by-step explanation:

Fred had made 10 dozen cookies which means he made:

= 10 * 12

= 120 cookies

Out of those, 1/4 were peanut butter:

= 120 * 1/4

= 30 peanut butter cookies

He burned 3/5 of the peanut butter cookies:

= 30 * 3/5

= 18 cookies were burnt

The amount let is therefore:

= 30 - 18

= 12 peanut butter cookies

PLEASE
What is the solution to the equation 4 ( b − 2 ) − 10 = 2b + 6 ?

Answers

Answer: 12

Step by step explanation:
First simplify both sides of the equation
( 4 )( b ) + ( 4 ) ( - 2 ) + -10 = 2b + 6 (distribute)
4b + -8 + -10 = 2b + 6
(4b) + (-8 + -10 ) = 2b + 6 (combine like terms)
4b + -18 = 2b + 6
4b - 18 = 2b + 6
Then subtract 2b from both sides
4b - 18 - 2b = 2b + 6 - 2b
2b - 18 = 6
After that you add 18 to both sides
2b - 18 + 18 = 6 + 18
2b = 24
2b/2 = 24/2
b = 12

lina works as a tutor for $15 an hour and as a waitress for $10 an hour. This month she worked a combined total of 103 hours at her two jobs. let t be the number of hours lena worked as a tutor this month. write and expression for the combined total amount she earned this month.

Answers

Answer:15t + 10x = 103

Step-by-step explanation:

t = tutor hours

x = waitress hours

BlacIf w = -2 and v = -8, which of the following expressions shows the values correctly substituted in for the variables in the expression w2 - v + 1?

(-2) 2 - (-8) + 1
(-2) 2 - (8) + 1
-2 2 - (-8) + 1
-2 2 - 8 + 1

Answers

Answer:

-2²   - (-8)  + 1

Step-by-step explanation:

The values given are:

             w = -2 and v = -8

Expression given:

             w² - v + 1

When we substitute, we put a certain value in place of another. In an equation, variables are used as placeholders.

 For this problem:

     w = -2

      v  = -8

So;

            -2²   - (-8)  + 1

Answer:

Given that w=-2 and v=-8

The expression is w²-v+1

Now putting the value of w=-2 and v=+8 in the given expression, we get

(-2)²-(-8)+1

Hence, (-2)²-(-8)+1 is the right answer.

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