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inysia [295]
3 years ago
8

Please HELP!!! Pressed on the picture please!​

Mathematics
1 answer:
jonny [76]3 years ago
4 0

Answer:

The answer to your question is:

Step-by-step explanation:

8.-

A (8, 28)

B (0, 0)

m = (0- 28) / (0 - 8)

m = 7/2

                    y = (7/2) x

A( 16, 4)

B (0,0)

m = (0-4) / (0 - 16)

m = 1/4

                  y = (1/4) x

The constant of proportionality represents the slope of the line

9.-

a) (0,0) represents the start of the race.

b)

Horse A = 5 min

Horse B = 4 min

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Given ƒ(x) = 3x + 9, find x when ƒ(x) = 21. <br><br> A) 3 <br> B) 4 <br> C) 7 <br> D) 10
Alborosie

Answer:

B

Step-by-step explanation:

Replacing <em>f</em>(x) with 21, this is the equation

21=3x+9

First, subtract 9 from each side of the equation to get:

12 = 3x

Next, divide each side by 3 to get:

4 = x

So the answer is B.

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3 years ago
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notsponge [240]

Answer:

The length of the triangle is 3x given

The no of sides is 3x 3x 3x so 3x+3x+3x= 180

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3 0
3 years ago
Can somebody please give me the answer I will mark u brilliant
VARVARA [1.3K]

Answer:

x = 6.7

Step-by-step explanation:

We know that 3.5 + x = 10.2, so if we do inverse operations we can find out the value of x.

10.2 - 3.5 = 6.7

we can check our work by substituing it back in the equation for x

6.7 + 3.5 = 10.2

so now we know that x = 6.7. I hope this helps :)

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Answer:

A. 11

Step-by-step explanation:

11-3=9

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