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notsponge [240]
3 years ago
10

9. y=-2(x-3)

Mathematics
2 answers:
Artyom0805 [142]3 years ago
8 0
The answers is 11 because it has y=mx+b
makkiz [27]3 years ago
8 0

Answer:

9. y= -2x+6

10. y= -0.4x+ \frac{1}{3}

11. y = -5x+2

12. y=41

13. y=2x+3

14. y= -4x-39

Step-by-step explanation:

9.

y= -2(x-3)

y= -2x+6

10.

12x+30y=10

<em>Subtract 12x from both sides</em>

30y=10-12x

<em>Divide both sides by 30</em>

y= -0.4x+ \frac{1}{3}

11.

y = -5x+2

(Already solved)

12.

y=6+36-1

y=41

13.

y-3=2x

<em>Add 3 to both sides</em>

y=2x+3

14.

y= -3-4(x+9)

y= -3-4x-36

y= -4x-39

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A and B are two similar shapes the area of shape A is 200cm2 calculate the area of shape B
barxatty [35]

Answer:

Area of shape B = 312.5 cm²

Step-by-step explanation:

Ratio of Area of A : Area of B = 12² : 15²

Given that area of A is 200 cm², let the area of shape B = x

Therefore:

200:x = 12²:15²

200/x = 144/225

Cross multiply

144x = 200*225

144x = 45,000

x = 45,000/144

x = 312.5 cm²

Area of shape B = 312.5 cm²

5 0
2 years ago
In the drawer you have 8 black socks and 5 yellow socks, if you pick 2 socks what is the probability that pick out a black sock
Nataliya [291]

Answer:

10/39

Step-by-step explanation:

The chances of picking a black sock on first try are 8/13, and the chances of picking out a yellow sock without replacing the black sock are 5/12. If you multiply 8/13 and 5/12, you get 40/156, and if you simplify, you will get 10/39 as your answer.

7 0
3 years ago
The school cafeteria sells 5 gallons of
sasho [114]

Answer: 72 gallons

Step-by-step explanation: I added 5 and 3 then multiplied by 9.

6 0
3 years ago
Read 2 more answers
Just a bunch of easy ones
Scilla [17]

Answer:

1. 5lb bag is cheaper

2. 6 mpm (minutes per miles)

3. Brycen

4. 18 mpm faster

5. 32 total shapes

6. 75

7. not enough info

8. 50 miles

9. 2

10. 2

Step-by-step explanation:

3lb=$3.54=1lb=$1.18

5lb=$5.85=1lb=$0.85

12 minutes/2 miles=6 mpm

24 minutes/1 mile=24 mpm

24-6=18 mpm faster

25% of 100= 4

4×8=32

60% of 80= 75

process of elimination:

24.5 is less than 35 so no

50×.7=35, total miles is 50

5 0
3 years ago
Read 2 more answers
Find p (-5) p(3) for p(x)=2x^5-9x^4-2x^2+12x-2
Margarita [4]

Answer:

We have to evaluate the function p with the numbers on the argument of them, that is:

p(-5) = -11887

p(3)= -191

Step-by-step explanation:

First we are going to evaluate the functions and then to replace x by the corresponding number on the argument:

p(-5)= 2 (-5)^5 -9(-5)^4 -2(-5)^2+12(-5) +2 = -11887

p(3) =2(3)^5-9(3)^5-2(3)^2+12(3)-2 =-191

8 0
3 years ago
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