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Studentka2010 [4]
3 years ago
14

A and b pleaseeeee mathsssssss

Mathematics
1 answer:
Stella [2.4K]3 years ago
8 0
Answer for a: 90ml

explanation: cylinder B is 3 times as much of cylinder A (60/20=3)
so you multiply 30 x 3 and get 90.

hope this helps :)
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Please help asap!!!!!
Leya [2.2K]

Answer:

c

Step-by-step explanation:

th two lines on each side of the x means absolute value. meaning the negative signs don't matter... l-4l=4

4 0
4 years ago
Question 131 ptsIt takes a team of 8 workers 2 hours and 15 minutes to clean 12 apartments. Howmany apartments can the tearsclea
Amanda [17]
48\:apartments\:in\:9\:hours

1) In this problem, the first thing to do is to enlist the categories:

workers time to clean # apartments

8 2h15 12

8 9 x

2) Note that the number of cleaners is the same. So, we can pick the ratios that fall under the category <em>time </em>and <em>#apartments</em>

<em />

We need to convert that 2h 15 into decimal form before setting the ratios:

2h15\:2+\frac{15}{60}=2.25

3) Now, we can set the ratios and solve for x:

\begin{gathered} \frac{2.25}{9}=\frac{12}{x} \\ 2.25x=12\cdot9 \\ \frac{2.25x}{2.25}=\frac{108}{2.25} \\ x=48 \end{gathered}

Thus, the answer is 48

5 0
1 year ago
The length of a volleyball court is twice its width. The perimeter of the court is 180 feet. Find the area of the volleyball cou
Alexxandr [17]

Answer:

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Step-by-step explanation:

because the formula to find perimeter is 2l+2w and if you plug 60 and 30 into that equation then you get 120+60 which is 180

5 0
3 years ago
What is the sum of the rational expression 2x+7/x+5+x-3,x+5
lana [24]

Answer:

there

Step-by-step explanation:

6 0
3 years ago
Help me with math!!!!
deff fn [24]

Answer:

Step-by-step explanation:

<u>Option c is best.</u>

x is less than equal to 2 that's why the graph of line moves toward the left side.

4 0
3 years ago
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