3 years ago

What should be done first to evaluate the expression? 6 + 8 ÷ 4 + (4 × 5)2

Mathematics

1 answer:

Mademuasel [1]3 years ago

4 0

Always do what’s in the parentheses first! :)

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What is the area of this figure?

nalin [4]

Answer:

290.5 square miles

Step-by-step explanation:

Consider splitting this figure into two mini rectangles and a triangle, each of given lengths;

$Dimensions of Rectangle 1 - Height ; 5 mi, Length ; 7 mi,\\Area of Rectangle 1 - Height * Length = 5 mi * 7 mi = 35 mi^2\\\\Dimensions of Rectangle 2 - Height ; 18 mi, Length ; 8 mi,\\Area of Rectangle 2 - Height * Length = 23 mi * 8 mi = 184 mi^2\\\\Dimensions of Mini Right Triangle - Height ; 11 mi, Base ; 8 + 5 = 13 mi,\\Area of Mini Right Triangle - 1 / 2 * Base * Height = 1 / 2 * 13 mi * 11 mi = 71.5 mi^2,\\\\Area of Figure = 35 mi^2 + 184 mi^2 + 71.5 mi^2 = 290.5 square miles$

Solution; 290.5 square miles

4 0

3 years ago

Rewrite 10x - 5y = -30 in slope-intercept form. somebody help me wit dis

Anna [14]

Answer:

y = 2x + 6

Step-by-step explanation:

10x - 5y = -30

-5y = -10x - 30

y = 2x + 6

6 0

3 years ago

On Monday, there was no snow on the ground in Buffalo, New York. On Tuesday, three inches of snow fell.On Wensday a half an inch

mario62 [17]

Hi there!

Monday- 0 in.

Tuesday- 3 in.

Wedsnday- 2 1/2 in.

Thursday- 5 in.

Friday- 3 1/2 in.

Therefore, the answer is - 3 1/2 inches of snow was left on Friday.

Hope this helps you!

~DL

7 0

4 years ago

If Sarah is 24 years younger than her mother and if the sum of their ages is 68, how old is Sarah?

irina [24]

Use subtraction the answer is 44

4 0

3 years ago

Problem

Ganezh [65]

Explanation is in the file

tinyurl.com/wpazsebu

8 0

3 years ago