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BartSMP [9]
3 years ago
14

What is 1+7-4(8-9) no links or scams​

Mathematics
1 answer:
Lena [83]3 years ago
4 0

Answer: =12

Step-by-step explanation: Hope this help :D

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Please check will mark brainlyest
steposvetlana [31]

D is the correct answer.

7 0
3 years ago
Yoko has a rectangular poster that is 15centimeters long and 12 centimeters wide. What is the area of the poster in square meter
Likurg_2 [28]

Answer:

44

Step-by-step explanation:

you would add 15+15 and 12+12 because it is rectangular meaning there are 4 sides 2 for the y angle and 2 for the x angle

5 0
4 years ago
HELP PLS!!!!!! Select the correct location on the number line.
Elza [17]

Answer:

Point E on the number line represents the approximate volume of a cylinder with a radius of 4 units and height of 4 units.

Step-by-step explanation:

It is given that the radius of the cylinder is 4 units and the height of the cylinder is 4 units.

The volume of the cylinder is

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

Where, r is radius and h is height of the cylinder.

Substitute r=4, h=4, π=3.14 in the above formula.

v = (3.14)(4) {}^{2} (4)

v = 200.96

The volume of  the cylinder is 200.96. Therefore, point E on the number line represents the approximate volume of a cylinder with a radius of 4 units and height of 4 units.

3 0
2 years ago
How do you find the mean?
Minchanka [31]

Answer:

you would need to divide by how many number there is basically just dividing by how many numbers there are

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
The water level of a lake fell by 1 1/4 in. during a 1 1/2 week long drought what is the average rate at which the water level c
Luda [366]

Answer:

\frac{5}{6}  inches per week

Step-by-step explanation:

This is a very simple ratio problem. Basically,

<em>If 1\frac{1}{4} inches in  1\frac{1}{2} week, then HOW MANY INCHES (let it be x) in 1 week???</em>

<em />

We set up two ratios and cross multiply and solve for x:

\frac{1\frac{1}{4}}{1\frac{1}{2}}=\frac{x}{1}\\1\frac{1}{4}*1=1\frac{1}{2}*x\\1\frac{1}{4}=1\frac{1}{2}x\\x=\frac{1\frac{1}{4}}{1\frac{1}{2}}\\x=\frac{\frac{5}{4}}{\frac{3}{2}}\\x=\frac{5}{4}*\frac{2}{3}\\x=\frac{5}{6}

So average rate at which the water level changed every week is 5/6 inches per week.

4 0
3 years ago
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