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2 years ago

Please help

Mathematics

1 answer:

klio [65]2 years ago

6 0

Answer:

The probability that a student taking only math will get picked is approximately 29%

Step-by-step explanation: This is because out of the total number of students taking math (95), 52 of such students are also taking science. In order to get the number of students only taking math you have to do 95-52=43 and to put that against the amount of total students the ratio would be 43:147 or 42/147 and if you plug 42/147 into a calculator you will recieve a long decimal that you can then round to 29%.

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At Oliver's Hats, there are 18 baseball caps and 2 other hats. What percentage of the hats are baseball caps?

Kisachek [45]

Answer:

90%

Step-by-step explanation:

18+2=20

18/20=.9

.9*100=90

6 0

3 years ago

Find the volume of the object 5ft 12ft pretty easy!

Volgvan

Answer:

V=75pi ft^3 or 235.619 ft^3

Step-by-step explanation:

area of base times length

area of circle = pi * r^2 where r = 1/2 * diameter

A = pi * 2.5^2

A= 6.25pi ft^2

multiply by length

V= 6.25pi*12

V=75 pi

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3 years ago

If r = 9, b = 5, and g=-6, what does (r+b-g) (b+g) equal?<br> O-20<br> O-8<br> 08<br> O 19<br> O 20

Colt1911 [192]

Answer:

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7 0

1 year ago

What is 2/4 + 4/5 - 7/10 ? Please help

Radda [10]

Make sure they have all common denominators
$\frac{2}{4} + \frac{4}{5} - \frac{7}{10}$

$\frac{2}{4} * \frac{5}{5} = \frac{10}{20}$

$\frac{4}{5} * \frac{4}{4} = \frac{16}{20}$

$\frac{7}{10} * \frac{2}{2} = \frac{14}{20}$

$\frac{10}{20} + \frac{16}{20} - \frac{14}{20}$

Add $\frac{10}{20} + \frac{16}{20} = \frac{26}{20}$
$\frac{26}{20} - \frac{14}{20} = \frac{12}{20}$

To simplify, you must find the largest common factor which 4
In $\frac{12}{20}$
12÷4=3 and 20÷4=5

The answer is $\frac{3}{5}$

7 0

3 years ago

Write a multiplication expression that can be used to solve 2/3a = 30.

Tresset [83]

<h3>Answer:</h3>

a=45

<h3>Solution:</h3>

We need to multiply both sides by 3 in order to get rid of the denominator, 3:
2/3a•3=30•3
2a=90
Divide both sides by 2:
a=45

Hope it helps.

Do comment if you have any query.

8 0

2 years ago