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IgorC [24]
1 year ago
15

Pleaseee hurry and answer

Mathematics
1 answer:
makvit [3.9K]1 year ago
6 0
Here’s the answer because I can’t do the arrow thing on phone

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What numbers are greater than 20 that has 9 as a factor
OLga [1]
Any of 9's multiples besides 9 and 18 will work.

So: 27, 35, 45, 54 ,63, 72, 81, 90, 99, 108, 117, 126, 135, and so on
4 0
3 years ago
Read 2 more answers
2.16= with the repeating decimal being 6
Goshia [24]

Since the .16 is in the hundredths place, the fraction is 2 16/100, or 216/100

But if you need to simplify it it's 2 4/25, or 54/25

3 0
3 years ago
A rectangular swimming pool is 15 meters long, 10/1/2 meters wide and 2/1/2 meters deep.What is its volume
Alexus [3.1K]
The equation to find the Volume of something is length*Width*height
therefore:
(I'm confused as to what <span>10/1/2  means so)
</span>
•on the assumption that 10/1/2 means 10 and a half - 10.5
then it would be - 15*10.5*2.5 = 393.75m^3

<span>•on the assumption that 10/1/2 means 10 divided by 1/2 then it would be:
</span>15*20*4 = 1200m^3

8 0
3 years ago
Read 2 more answers
Solve the inequality 4t^2 ≤ 9t-2 please show steps and interval notation. thank you!​
Misha Larkins [42]

Answer:

[0.25, 2]

Step-by-step explanation:

We have

4t² ≤ 9t-2

subtract 9t-2 from both sides to make this a quadratic

4t²-9t+2 ≤ 0

To solve this, we can solve for 4t²-9t+2=0 and do some guess and check to find which values result in the function being less than 0.

4t²-9t+2=0

We can see that -8 and -1 add up to -9, the coefficient of t, and 4 (the coefficient of t²) and 2 multiply to 8, which is also equal to -8 * -1. Therefore, we can write this as

4t²-8t-t+2=0

4t(t-2)-1(t-2)=0

(4t-1)(t-2)=0

Our zeros are thus t=2 and t = 1/4. Using these zeros, we can set up three zones: t < 1/4, 1/4<t<2, and t>2. We can take one random value from each of these zones and see if it fits the criteria of

4t²-9t+2 ≤ 0

For t<1/4, we can plug in 0. 4(0)²-9(0) + 2 = 2 >0 , so this is not correct

For 1/4<t<2, we can plug 1 in. 4(1)²-9(1) +2 = -3 <0, so this is correct

For t > 2, we can plug 5 in. 4(5)²-9(5) + 2 = 57 > 0, so this is not correct.

Therefore, for 4t^2 ≤ 9t-2 , which can also be written as 4t²-9t+2 ≤ 0, when t is between 1/4 and 2, the inequality is correct. Furthermore, as the sides are equal when t= 1/4 and t=2, this can be written as [0.25, 2]

8 0
3 years ago
The volume of the oblique cylinder is 5,588 mm3.
9966 [12]
14.7 mm is the height.

Use the volume equation for a cylinder which is
volume=(PI/4)*(diameter^2)*(height)

And you have volume, and diameter (which is just radius times 2) so solve for height.

5588=(PI/4)*(22^2)*Height

Height = 14.7 mm
5 0
3 years ago
Read 2 more answers
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