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inessss [21]
3 years ago
15

I am doing rate of change, my question is down below.

Mathematics
1 answer:
SpyIntel [72]3 years ago
7 0
5/2 is your answer i think i could be wrong tho
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Based on the slipes of the equation, how many solutions does this system have Y=3x-4 y=-2x+7
Dmitrij [34]

Answer:

The slopes are m=3 and m=-2

There is only one solution

Step-by-step explanation:

8 0
4 years ago
1. Pick two animals to be in a race and answer the following questions.
Afina-wow [57]
Answers:

a:
Cheetah = 70mph
70 miles x 1 hour x 1760 yards (yds) = 32.4 yds/sec

Fox = 42mph
42 miles x 1 hour x 1760 yards = 20.5 yds/sec

Sorry, I can only answer the first part


8 0
4 years ago
Sarah's sister has two summer jobs. The first job pays her $11 per hour. The second job pays her $14 per hour. In one month, she
telo118 [61]
$505 . 11 times 23 =253 . 14 times 18=252. When you add them you get $505
3 0
3 years ago
Solve the simultaneous equations <br> 8x+3y=45 2x+3y=27
Vedmedyk [2.9K]

Answer:

x = 3 and y = 7

Step-by-step explanation:

Given that,

8x+3y=45 .......(1)

2x+3y=27 ........(2)

We need to solve equations (1) and (2)

Multiply equation (2) by 4.

8x+12y=108 .....(3)

Subtract equation (1) from (3).

8x+12y-(8x+3y)=108-45

12y-3y = 63

9y = 63

y = 7

Put the value of y in equation (1).

2x+3(7)=27

2x+21 = 27

2x = 27-21

2x = 6

x = 3

So, the values of x and y are 3 and 7 respectively.

4 0
3 years ago
You are purchasing carpeting for an office building. The space to be carpeted is 30 feet by 50 feet. Company A charges $2.99 per
kicyunya [14]
Company A:
$200 + $2.99(30ft * 50ft) = $4,685

Company B:
30ft x 50 ft = 166.6667 sq yd.
$500 + $19.99(166.6667sq yd) = $3831.667

Company B is the better deal
6 0
4 years ago
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