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2 years ago

6/5(5-4x)=-18 solve for X

Mathematics

1 answer:

tatiyna2 years ago

5 0

Answer:

it's your answer......

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What is the length of PR?

kicyunya [14]

Answer:

$8\sqrt{3}$

Step-by-step explanation:

2/3 pi radians = 2/3 * 180 = 2 * 60 = 120 degrees

split triangle in half:

30, 60, 90 triangle

1/2 PR= 4 root 3

7 0

2 years ago

The figure below shows a trapezoid, ABCD, having side AB parallel to side DC. The diagonals AC and BD intersect at point O.

Helga [31]

Answer:

I believe it's D.

Lmk if I was right, cause I'm 98% sure on this

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2 years ago

It would take Delia 3 hours longer to re tile their bathroom by herself than it would for kari to retile on her own. If they wor

max2010maxim [7]

Answer:

6hours

Step-by-step explanation:

From the given information:

Suppose it took Karl x hours to retile her bathroom,

Then it will take Della 3 hours longer i.e (3+x) hours

If Della and Karl work together or will take them 2 hours

The objective is to determine how long it will take Delia to retile the bathroom alone?

∴

$\dfrac{1}{x}+\dfrac{1}{3+x}= \dfrac{1}{2}$

$\dfrac{x+3+x}{x(3+x)}= \dfrac{1}{2}$

$\dfrac{2x+3}{3x+x^2}= \dfrac{1}{2}$

By cross multiplying, we have:

2(2x+3) = 3x+x²

4x + 6 = 3x + x²

3x + x² - 4x - 6

x² - x - 6 = 0

Using quadratic equation

x² -3x +2x - 6 = 0

x(x - 3) + 2(x - 3) = 0

(x +2) (x - 3) = 0

x + 2 = 0 or x - 3 = 0

x = -2 or x = 3

Since we are concerned about the positive integer,

Then, Karl = x = 3 hours while Della which is (3+x) = 3+3 = 6hours

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2 years ago

Ella purchased a game that was on sale for 12% off. The sales tax in her county is 6%. Let y represent the original price of the

egoroff_w [7]

Answer: what was the original price?

Step-by-step explanation:

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2 years ago

How do you create and solve equations in one variable given a real–world situation?

WINSTONCH [101]

Step-by-step explanation:

1) first eliminate constant(number without variable) you eliminate constant by doing the inverse operation(if constant is being added, then subtract)(if constant is being subtracted, then add it)

ex: if x+9=32

subtract 9 from both sides to get rid of it

x=23

2) if there is another constant but this constant is being multiplied/divided then do the opposite operation to remove it

you could multiply by 3 on both sides:

x+9=69

x=60

5 0

2 years ago

6/5(5-4x)=-18 solve for X​

6/5(5-4x)=-18 solve for X