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3 years ago

Solve each expression using the correct order of operations,7- 5 + 3 x 10

Mathematics

2 answers:

Lynna [10]3 years ago

5 0

Answer:

28 is your answer

Step-by-step explanation:

you start with multiplication and continue with addition and then go to subtraction

Ugo [173]3 years ago

4 0

Answer:

Step-by-step explanation:

3×10 comes first because BIDMAS : brackets () indeces divide ÷ multiply× addition + subtraction -

So 30

7-5+30 = 32

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Rashid [163]

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3 years ago

In the figure above, square ABCD and triangle EFG have the same areas. If AB =6 and EG =8, what is the height o triangle EFG?

lawyer [7]

Answer:

The height of triangle EFG is 9 units

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the area of a square ABCD

The area of a square is equal to

$A=b^2$

where

b is the length side of the square

we have

$b=AB=6\ units$

substitute

$A=6^2=36\ units^2$

step 2

Find the height of triangle EFG

The area of triangle EFG is equal to

$A=\frac{1}{2}(b)(h)$

where

b is the base of triangle

h is the height of triangle

we have

$b=EG=8\ units$

$A=36\ units^2$ ---> area of triangle EFG is the same that the area of square ABCD

substitute the given values in the formula

$36=\frac{1}{2}(8)(h)$

solve for h

$36=4h\\h=9\ units$

therefore

The height of triangle EFG is 9 units

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3 years ago

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Neporo4naja [7]

Answer:

to figure out a series of day to day tasks by using a step by step guide

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3 years ago

Solve each expression using the correct order of operations,7- 5 + 3 x 10​

Solve each expression using the correct order of operations,7- 5 + 3 x 10