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liberstina [14]
3 years ago
9

a zoologist is studying the behavior of a cheetah on an african plain the zoologist recorded the cheetah's running spped and dis

played it in the graph.....

Mathematics
1 answer:
Dvinal [7]3 years ago
3 0
It’s the dark bubbles one
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Find an equation for a line<br> perpendicular to y= 3x – 5 , with a y-<br> intercept of -2
damaskus [11]

Answer:

Since the lines are Perpendicular..

The Product of their Gradients = -1

m'm"=-1

m' from y=3x - 5 is 3

3.m" = -1

m" = -1/3.

Since Intercept on y axis = -2...

That of x at that point is =0

y-y' = m"(x-x")

y-(-2) = -1/3( x - 0)

y+2 = -1/3(x)

Multiplying through by 3

3y + 6 = -x

3y + x = -6. This is your Equation

To verify this.

Let's turn it into the Intercept form which is

x/a + y/b = 1

To get 1 at the right hand side... Divide through by -6

3y/-6 + x/-6 = 1

y/-2 - x/6 = 1

You could see directly below y is its intercept and thats -2

8 0
3 years ago
PLease help me with this question
Zinaida [17]

Answer:

D) 168

Step-by-step explanation:

So 12 months in a year

each month tcket sells out for 7 times

2 years=24 months becuase 12*2

Multiply

24*7=168

7 0
2 years ago
Read 2 more answers
URGENT HELP YALL WITH THIS. I WILL MARK YOU BRAINLIEST
Reptile [31]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

(9x + 17) +2 \times  ( 5x + 15 ) + (6x - 12) = 360 \\

9x + 17 + 10x + 30 + 6x - 12 = 360 \\

9x + 10x + 6x + 17 + 30 - 12 = 360 \\

Collect like terms

25x + 35 = 360

Subtract sides 35

25x + 35 - 35 = 360 - 35

25x = 325

Divide sides by 25

\frac{25x}{25}  =  \frac{325}{25}  \\

x = 13

Thus ;

RQ  \:  \: arc =2 \times (5x + 15)

RQ  \:  \: arc = 10x + 30

RQ  \:  \: arc = 10(13) + 30

RQ  \:  \: arc = 130 + 30

RQ \:  \:  arc = 160°

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

7 0
2 years ago
What is 1.44 divided by 0.4
Mashutka [201]
The quotient to 1.44 and 0.4 equals to 3.6
5 0
3 years ago
15 3/5% in fractions
Advocard [28]

Answer:

9/15 is 3/5 of 15

3 0
3 years ago
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