3 years ago

Help me Plzzzzzzzzzzzzzzzzzzzzzz!!!! Anyone know the answer.

Mathematics

1 answer:

JulijaS [17]3 years ago

6 0

Answer:

$area = 26.5 \\$

Step-by-step explanation:

you have to count the squares.

number of squares will give the area of this figure.

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How thick is the crust layer of the earth in kilometers?

Aleonysh [2.5K]

The earths crust depth in kilometers is 6.4 kilometers I hoped this helped

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3 years ago

Which of the following expressions can be combined?

Rom4ik [11]

Answer: Choice C

Work Shown:

$2\sqrt{12} - 6\sqrt{27}\\\\2\sqrt{4*3} - 6\sqrt{9*3}\\\\2\sqrt{4}*\sqrt{3} - 6\sqrt{9}*\sqrt{3}\\\\2*2*\sqrt{3} - 6*3*\sqrt{3}\\\\4\sqrt{3} - 18\sqrt{3}\\\\(4-18)\sqrt{3}\\\\-14\sqrt{3}\\\\$

In short,

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3 0

2 years ago

A human resources office is working to implement an increase in starting salaries for new

ELEN [110]

Answer:

Step-by-step explanation :

Let % increase in administrative secretary be = x

Let % increase in new faculty receive be = y

Administrative secretary salary = 28,000

New faculty receive Salary = 40,000

(8)*(x/100)* (28000) + (7)*(y/100)*(40000) = 5,000

2240x +2800 y = 5,000

224x +280 y = 500

56x +70y = 125

Therefore, x and y should be chosen such that it satisfy the above equation.

3 0

3 years ago

I've tried and I have no clue how to do this.

Natasha_Volkova [10]

This isn't to diffuclt. So, to the formula for the area of a circle is $2\pi r$ , or instead of r, you can put D, which is r times 2

The diameteris 2.5, so, the answer would be

pi times 2.5, where pie = 3.14

So, the answer is 2.5 * 3.14 = 7.85 or 7.9

6 0

4 years ago

Please answer this fast

Jlenok [28]

12+8y you have to do like terms and the distributive property of 2(y+1)

4 0

4 years ago