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Aleks04 [339]
3 years ago
10

I need help with math

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

\frac{1}{5}  +  \frac{3}{4}  \times  \frac{3}{5}  =  \\

\frac{1}{5}  +  \frac{9}{20}  =  \\

\frac{4}{20}  +  \frac{9}{20}  =  \\

\frac{13}{20}  \\

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If 400 students at the school took the SAT, how many scored in the 1301 to 1600 range?
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Answer:

56 students scored in the range of 1301 to 1600.

Step-by-step explanation:

The given question is without any figure or attachment. Here is the figure attached with the answer.

In the figure attached,

total number of students who took SAT = 400

Percentage of the students who scored 1301 to 1600 range = 14% (given in the pie chart)

Total number of students who are in this range = 14% of total number of students

= 400\times\frac{14}{100}

= 56

Therefore, 56 students scored in the range of 1301 to 1600.

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Step-by-step explanation:

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4 years ago
11 to the 3rd power + 3 to the 2nd power?
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8 0
3 years ago
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The volume of a cylinder can is 1.54 litre and area of base is 77cm^2 Find its height​
goblinko [34]

Answer:

The height is 20 cm.

Step-by-step explanation:

First, we have to know that the volume formula is V = πr²h and the base area of cylinder is a circle. So we can let πr² be 77 cm² . Then we have to substitute the following values into the formula :

v = 1.54 \: l

v = 1540 \:  {cm}^{3}

v = \pi \times  {r}^{2}  \times h

Let πr² be 77,

Let v be 1540,

1540 = 77 \times h

77h = 1540

h = 1540  \div 77

h = 20 \: cm

5 0
3 years ago
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6 0
3 years ago
Read 2 more answers
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