2 years ago

Please help me with this.

Mathematics

1 answer:

creativ13 [48]2 years ago

7 0

Answer:

-4qr that's the answer I hope is help you

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What is the value of the function y= 3x – 1 when x= -1 ?<br> -8<br> -4<br> 02<br> 6

netineya [11]

Answer:

-4

Step-by-step explanation:

3(-1)-1 PEMDAS

-3-1=-4

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3 years ago

Find the area of the figure.. Single choice.

-Dominant- [34]

This is 130m squared

7 0

3 years ago

levacccp [35]

Answer:

Step-by-step explanation:

Use the distance formula.

$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

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3 years ago

6 cars are racing. In how many ways can first, second and third places be awarded?

sammy [17]

Answer:

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Step-by-step explanation:

5 0

3 years ago

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Find the height of a cylinder with radius 13 and surface area 1470.3.

g100num [7]

First you need the formula for SA of a cylinder: SA = 2(πr^2) + 2πr*h
(area of the top and bottom circles plus the side)
Then plug your values into the equation and rearrange to make h the subject:
1470.3 = 2π13^2 + 2π*13*h
26πh = 1470.3 - 338π
h = (1470.3 - 338π)/26π
=5.00042...
so h is approximately 5 units :)

8 0

3 years ago

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