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ad-work [718]
2 years ago
14

Someone help I’m confused!!!!!

Mathematics
1 answer:
Radda [10]2 years ago
8 0
I believe the answer is 11.70
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Ginger wants to fill her new swimming pool. She has two pumps; the larger pump takes 40 minutes to fill the pool, and the smalle
Talja [164]

As per the problem,

The larger pump takes 40 minutes to fill the pool.

The smaller one takes 60 minutes.

When both the pumps are working , let the time taken be x minutes , then we can write

\frac{1}{x}=\frac{1}{40}+\frac{1}{60}\\ \\ \text{Make the denominator equal we get}\\ \\    \frac{1}{x}=\frac{1}{40}*\frac{60}{60}+\frac{1}{60}*\frac{40}{40}\\ \\   \frac{1}{x}=\frac{60}{2400}+\frac{40}{24000}\\ \\   \text{Simplify we get}\\ \\ \frac{1}{x}=\frac{60+40}{2400}\\ \\ \frac{1}{x}=\frac{100}{2400}\\ \\ \frac{1}{x}=\frac{1}{24}\\ \\ x=24\\

Hence, when both the pumps works together, Time taken =24 minutes.

5 0
3 years ago
Read 2 more answers
A table of values of a linear function is shown below. Find the output when the input is n.
Vlad [161]

Answer:

Step-by-step explanation:

output = y

input = x

y=-2x + 3

if you follow the pattern, the next input is 5 which will output -7

3 0
2 years ago
How do i write 2 perfect squares that each have a value greater then 100 and less that 200
nordsb [41]

Just start squaring numbers! 10² = 100, so to find perfect squares bigger than that, we can just increase the base. 11² = 121, and 12² = 144, and both of those meet our requirements, so we could choose 121 and 144 as our examples.

8 0
2 years ago
Cody has $329.83 in his checking account. How much does he have in his account after he makes a deposit of $215.89 and then take
andrew11 [14]

Answer:

Step-by-step explanation:

if Cody has right now 329.83 dollars

make a deposit 329.83+215.89=545.72

takes out 125.15

545.72-125.15=420.57

4 0
3 years ago
If I have 1 dollar and -2 how much do I have
elixir [45]
98 cents
1.øø
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6 0
3 years ago
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