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2 years ago

745=5x^3 Express the answer to the hundredths place (i.e., two digits after the decimal point)

Mathematics

1 answer:

vazorg [7]2 years ago

5 0

Answer:

The solution for the given equation is 5.30.

Step-by-step explanation:

The given equation is

$745=5x^3$

We need to find the solution for the given equation.

Divide both sides by 5.

$\frac{745}{5}=\frac{5x^3}{5}$

Cancel out common factors.

$149=x^3$

Taking cube roots on both sides.

$\sqrt[3]{149}=\sqrt[n]{x^3}$

$5.30145919238=x$

Interchange the sides.

$x=5.30145919238$

Approx the answer to the hundredths place.

$x\approx 5.30$

Therefore, the solution for the given equation is 5.30.

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Solve the system algebraiclly 3x -2y -1 = 0 y= 5x +4

Andreyy89

You’re already given what y is so just substitute it in and solve

3x-2(5x+4)-1=0
Distribute
3x-10x-8-1=0
Add like terms
-7x-9=0
Add 9 to both sides
-7x=9
Divide both sides by -7
x=-9/7

3 0

3 years ago

Pierre folded a square piece of paper vertically to make two rectangles. Each rectangle had a perimeter of 39 inches. How long i

AURORKA [14]

Answer:

Each side of the square is 13 inches long. The area of the original square is 169 square inches. The area of one of the rectangles is 84.5 square inches.

Step-by-step explanation:

The shorter side of the rectangle is named as X and the longer side is 2X because the piece of paper is folded in half.

So the perimeter of one of the rectangles is given by the following equation:

$P_{Rectangle}=2(X)+2(2X)=39 in$

So we can find X by solving this equation:

2X+4X=39 in

6X=39 in

X=39 in ÷ 6

X=6.5 in

The sides of the square are equal to 2X, so, each side of the square is 13 in.

The area of the square is given by:

$A_{Square}=(2X)^{2} =(13 in)^{2} =169in^2$

The area of one of the rectangles is given by:

$A_{Rectangle}=X*2X =(6.5 in)* (13 in) =84.5in^2$

8 0

3 years ago

If a $32,500 car loses 15% of its value each year, what will it be worth x many years from now?

ahrayia [7]

I think the worth goes down 4,875$ a year

6 0

2 years ago

Read 2 more answers

The temperature on Friday was 35°F. By Monday, it was 2 times as warm. What was the temperature on Monday?

Lostsunrise [7]

Answer:

70 degrees Fahrenheit

Step-by-step explanation:

monday = friday * 2

monday = 35 * 2

monday = 70

6 0

3 years ago

How do you do this? I'm confused on how to start and find my answer.

natali 33 [55]

I'll use 24 as an example.
12.5=0.8x
In order to solve this, you have to get the x by itself. See how the x is being multiplied by 0.8? Well, in order to get rid of the 0.8, you have to the opposite thing: divide 0.8x by 0.8. Since 0.8 / 0.8 is 1, that gets the x by itself. BUT,in order to keep the equation right, you have to do the same thing to both sides of the equation. So, you divide 12.5 by 0.8 too, and you get x=15.625.

If you actually need the answers to all of them ( like for checking ) say so in my inbox.

8 0

2 years ago