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3 years ago

153 is 90% of what number

Mathematics

2 answers:

Inga [223]3 years ago

5 0

137.7
153x0.9=137.7
or
153x0.1=15.3
15.3x9=137.7

swat323 years ago

4 0

The answer should be 137.7

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How to solve this problem -3 1/3 x (-2 7/10)

xz_007 [3.2K]

Answer: 9

Step-by-step explanation:

-3 1/3 x (-2 7/10)

-3 = -3*(3/3) = -9/3

-3 1/3 = -10/3

(-2 7/10)

-2 = -2(10/10) = -20/10

-2 7/10 = -27/10

(-10/3)*(-27/10) = (270/30) = 9

8 0

3 years ago

an inverted cone has a height of 11 inches and an initial radius of 18 inches. the volume of the inverted cone is decreasing at

joja [24]

Radius of cone is decreasing at the rate of $\frac{1623}{110\pi}$ inches

What is rate of change?

Suppose there is a function and there are two quantities. If one quantity of a function changes, the rate at which other quantity of the function changes is called rate of change of a function.

Here rate of change of radius of cone has been calculated

Radius of cone = 18 inches

Height of cone = 11 inches

Volume of cone (V) = $\frac{1}{3} \pi r^2h$

$\frac{dV}{dt} = \frac{1}{3} \pi h (2r\frac{dr}{dt})\\-541 = \frac{2}{3} \pi \times 11\times 5\times\frac{dr}{dt}\\\frac{dr}{dt} = -\frac{541 \times 3}{2 \times \pi \times 11 \times 5}\\\frac{dr}{dt} = -\frac{1623}{110 \pi}$

Radius of cone is decreasing at the rate of $\frac{1623}{110\pi}$ inches

To learn more about rate of change, refer to the link-

brainly.com/question/24313700

#SPJ4

5 0

2 years ago

I don't get this one please help

Veronika [31]

Midpoint-L(0,5) ONLY (0,7)
0,5+0,3
Add the average!
(-2,3)=extra info N(4,1)
<15,3> x k (6,5)
Cløse
~~~~~~
Multiply it by 12
Then you have your answer

4 0

3 years ago

Read 2 more answers

Determine which of the following angle measures are correct. Select all the apply

sammy [17]

Answer:

number 2 and 4

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers

4(5x-6)=2(8x+10) how to solve

Pavel [41]

Hello! :)

Answer:

$\boxed{X=11}$

*The answer must have a POSITIVE sign!*

Step-by-step explanation:

Expand with distributive property: a(b+c)=ab+ac

4*5=20

6*4=24

20x-24

2*8=16

2*10=20

16x+20

20x-24=16x+20

First, you add by 24 both sides of an equation.

20x-24+24=16x+20+24

20x=16x+44

You subtract by 16x both sides of an equation.

20x-16x=16x+44-16x

4x=44

Then, you divide by 4 both sides of an equation.

4x/4=44/4

Divide by the numbers from left to right.

44/4=11

X=11 is the final answer

Hope this helps!

Have a nice day! :)

-Charlie

Thanks!

4 0

3 years ago