3 years ago

Simplify -3-20 divided by (-2*1) Is the answer 7?

Mathematics

1 answer:

Anna35 [415]3 years ago

8 0

No the answer is -13. Please mark me brainliest!

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Question D- If the area of a square is 121 square centimeters, what is its side length?

Ipatiy [6.2K]

The formula for the area of a square is the side squared, or multiplied together.

Basically, if the side length is x, the area is x*x or x^2.

We can use that to set up an equation.

x^2=121
x=square root of 121=11

Hope this helps!

3 0

3 years ago

How do you work out this problem, step by step please I am so lost. Year Average Household Income (before taxes) Food Housing Tr

Hitman42 [59]

Answer:

(a)Food-12%

9b)Transportation-17%

Step-by-step explanation:

In the Year 2000

Average Household Income (before taxes)=$44,649
Amount Spent on Food =$5,158
Amount Spent on Transportation=$7,417

Therefore:

(a)Percentage of the average household income in 2000 was spent on food

$=\dfrac{5158}{44649} \times 100\\\\=11.55\%\\\\\approx 12\% $(to the nearest percent.)$

(b)Percentage of the average household income in 2000 was spent on transportation

$=\dfrac{7,417}{44649} \times 100\\\\=16.6\%\\\\\approx 17\% $(to the nearest percent.)$

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3 years ago

How do you work out the area of a triangle?

juin [17]

(Base x Height) / 2 is the formula

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3 years ago

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Write the following comparison as a ratio reduced to lowest terms <br><br> 31 hours to 7 days

alina1380 [7]

31:7 days hope this helps.

7 0

2 years ago

Solve for b 15=3b<br> Please I need help

IgorLugansk [536]

15=3b
15/3 = 3b/b
5= b

Isolate the variable by diving 3 on both sides

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3 years ago