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3 years ago

PLSS HELL ME IM CRYING!! WILL GIVE YOU BRAINLYEST!!!

Mathematics

1 answer:

Serhud [2]3 years ago

5 0

Answer:

34%

Step-by-step explanation:

I meant be a couple PREcents OFF BUT IM SORRY THIS IS MY BEST ANSWR :( hope this helps tho :)

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What is the value of n in the relationship 8n+9=-n+5

vitfil [10]

Subtract 5 from both sides.

$8n + 4 = -n$

Subtract 8n from both sides.

$4 = -9n$

Divide both sides by -9 to solve for n.

$- \frac{4}{9} = n$

The value of n is -4/9.

8 0

3 years ago

How long will it take 5 machines to complete a task, given that it takes 10 days for 8 machines to complete the same task?

Tamiku [17]

Answer:

Step-by-step explanation:

4 days

8/10 * 5 = 4

4 0

3 years ago

Can somebody help me with this question plz !

lidiya [134]

Answer:

y=4x-3

Step-by-step explanation:

Parallel lines will always have the same slope (the number that comes before x in an equation). So, we can plug in 4 to the equation.

y=4x+?

Let's say the ? is b. If we plug in the point (1,1) into y=4x+b, we get

1=4(1)+b

reduce

1=4+b

subtract 4 from both sides

-3=b

and now we can add b=-3 into the original answer, and we get y=4x-3!

5 0

3 years ago

What is the distance between (-4,4) and (-7,3)

Alex787 [66]

Answer:

$\sqrt{10}$

Step-by-step explanation:

Using the distance formula, we see that the distance between (-4,4) and (-7,3) is $\sqrt{10}$ .

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3 years ago

Kenny likes to count his money by tiling it on his table as shown. The diameter of a quarter is 24.26 mm. Find the area of the t

ElenaW [278]

First we have to assume that each quarter touched each other. Hence the area of the table not covered by the coins (A) is equal to the total area of the table (At) minus the total area of the coins (Ac). Coins are circle, so $A = \pi r^{2}$ and r =24.26mm. The area of one coin is then 1848.98mm^2. Hence the equation is A = At - xAc where x is the number of coins.

5 0

3 years ago