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siniylev [52]
3 years ago
6

A new type of pump can drain a certain pool in 8 hours. An older pump can drain the pool in 12 hours. How long will it take both

pumps working together to drain the pool.
Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

4

Step-by-step explanation:

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West Virginia math glencone course 2 volume 1 page 191
Step2247 [10]

Answer:

Im not sure but I think its -5

7 0
3 years ago
HELP MEEEEEEEEEEEEEEEEEEEEEEE 20 POINTS AND BRAINLIEST PLZ HALPPPP
yawa3891 [41]

Answer:

1. Radius 18in Diameter 38in Circumference 36in

2. Radius 9in Diameter 34in Circumference 18in

3. Radius 6in Diameter 36in Circumference 12in

4. Radius 7in Diameter 26in Circumference 14in

5. Radius 5in Diameter 8in Circumference 10in

6. Radius 11in Diameter 33in Circumference 22in

7. Radius 6in Diameter 20in Circumference 12in

8. Radius 7in Diameter 16in Circumference 14in

9. Radius 2in Diameter 12in Circumference 4in

Step-by-step explanation:

Tip: When finding the circumference of a circle, just multiply the radius by 2!

Hope I get my brainliest even tho I couldn't get all of it!

4 0
3 years ago
Written as a simplified polynomial in standard form, what is the result when (x-8)^2
neonofarm [45]

Answer:

26x-67-x²

Step-by-step explanation:

We are given

(10x - 3) - (x - 8) {}^{2}

Expanding (x-8)²=x²-16x+64

10x-3-(x²-16x+64)

10x-3-x²+16x-64

26x-67-x²

3 0
3 years ago
Find the measure of the arc.<br><br> 146°E<br><br> mFD =
Verizon [17]

Answer:

arc FD = 236°

Step-by-step explanation:

The measure of the arc is equal to the measure of the central angle it subtends, thus

arc FD = arc FE + arc ED = 146° + 90° = 236°

4 0
3 years ago
The graph of y = tan ⁡(x − π / 2) compared to the graph of y = tan ⁡x has:
vodomira [7]

Answer:

Last Option moved \frac{\pi}{2} units right

Step-by-step explanation:

If we have a function f(x) and we want to move it horizontally then we make the transformation:

y = f (x + h)

If h then the graph of f(x) moves horizontally h units to the right

If h> 0 then the graph of f(x) moves horizontally h units to the left.

In this case we have the function y = tan (x) and the transformation is performed to obtain y = tan(x- \frac{\pi}{2})

Notice that in this transformation

h

<u><em>Then the graph of y = tan (x) moves horizontally \frac{\pi}{2} to the right</em></u>

5 0
3 years ago
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