Please help me.!

1 answer:

5 0

You set up a proportion. You would do 1 is to 48 as x is to 300 then u cross multiply and get 48x=300and then do 300/48 and thats 6.25 minutes

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Write an equation perpendicular to x-3y=3 passes through (5,-9)

kherson [118]

3y=x-3
y=1/3x-1
Perpendicular slope: -3
y=-3x+b
Plug in the coordinates in the equation:
-9=-3(5)+b
-9=-15+b
4=b
Equation: y=-3x+4
Also, when finding the perpendicular slope you take the reciprocal of the original slope and make it negative if it is positive and make it positive if it’s negative.

8 0

3 years ago

Find the sum of all solutions to the equation $3x(x+4) = 66$.

Solnce55 [7]

Https://photomath.net/s/o2P0wN

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Help plz ASAP!!!!!!!!

Naddik [55]

Answer:

Step-by-step explanation:

The volume (V) of the prism is calculated as

V = lbh ( l is length, b breadth and h is height )

Here l = 7, b = 2 and h = 4 , thus

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Find the diameter of a circle that has an area of 254.34mm2

zvonat [6]

To find the diameter, divide the area(254.34) by pi(3.1415) and then square the quotient

$\frac{254.34}{3.1415} = 80.95$
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Now I have a felling the might be wanting 18 because 8.99 is so close to 9 and this is also true for 80.95. They probably want 80.95 = 81, which the square root of that is 9, which is the radius and if you times that by 2 the diameter would equal 18

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3 years ago

Evaluate 2/3x -16 when x= 18<br>A.-6<br>B.-4<br>C.2<br>D.4

const2013 [10]

2/3 of 18 is 12
then 12- 16 is -4
SO B

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3 years ago