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3 years ago

X-5/x=8/x+9 what’s the answer?

1 answer:

7 0

First, you move all the numerators above the common denominator. So, x-5/x - 8/x = 9. Then calculate x-5-8/x = 9. Multiple both sides of x, and you will get x-13/x = 9. Then, you move the terms so it will be x-13=9x. Finally solve the equation. So, it is -8x=13. And the final answer is -1.625 or you can leave it as -13/8.

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A right triangle is displayed.

Mazyrski [523]

Answer:

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3 years ago

What is the answer to 32 3/4 - 12 1/2 =

Natasha_Volkova [10]

Answer:

20.25 :)

Step-by-step explanation:

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2 years ago

Can someone please explain how to do number 9.

bogdanovich [222]

Answer:

x<15, probably

Step-by-step explanation:

maybe multiply 2 to each side to eliminate the fraction. so 3x+15<60. subtract 15 to isolate the variable term so 3x<45. divide by 3 to isolate x so x<15. check the work. is the inequality true for all values of x less than 15? let's try the first possible integer value, 14, to be sure. 3(14)+15= 57. so 57/2<30. now 57/2 is 28.5 and 28.5<30 so it seems right

7 0

3 years ago

Which is the best estimate for the product of 104.143 × 10,021.4? A. 1,000,000 B. 100,000 C. 10,000 D. 1,000

Serhud [2]

The correct answer.would be A. because 100 x 10,000 is 1,000,000. You just need to round then multiply. -I hope this helps you out. :)

3 0

3 years ago

Read 2 more answers

Please answer ASAP

labwork [276]

Hello!

The figure is made up of a cone and a hemisphere. To the nearest whole number, what is the approximate volume of this figure? Use 3.14 to approximate π . Enter your answer in the box. cm³

A 12 cm cone with a dome on top of it that has an 8 cm diameter

Data: (Cone)

h (height) = 12 cm

r (radius) = 4 cm (The diameter is 8 being twice the radius)

Adopting: $\pi \approx 3.14$

V (volume) = ?

Solving: (Cone volume)

$V = \dfrac{ \pi *r^2*h}{3}$

$V = \dfrac{ 3.14 *4^2*\diagup\!\!\!\!\!12^4}{\diagup\!\!\!\!3}$

$V = 3.14*16*4$

$\boxed{V = 200.96\:cm^3}$

Note: Now, let's find the volume of a hemisphere.

Data: (hemisphere volume)

V (volume) = ?

r (radius) = 4 cm

Adopting: $\pi \approx 3.14$

If: We know that the volume of a sphere is $V = 4* \pi * \dfrac{r^3}{3}$ , but we have a hemisphere, so the formula will be half the volume of the hemisphere $V = \dfrac{1}{2}* 4* \pi * \dfrac{r^3}{3} \to \boxed{V = 2* \pi * \dfrac{r^3}{3}}$