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3 years ago

Evaluate. 11 + 4 divided by 3 times the sqaure root of 64

Mathematics

2 answers:

katrin [286]3 years ago

7 0

Answer:

The answer is 40

Step-by-step explanation:

(11+4)÷3×√64

= (11+4)÷3×8

= 15÷3×8

= 5×8

= 40

<h3><u>〜</u><u>Selena</u></h3>

rjkz [21]3 years ago

3 0

Answer:

Step-by-step explanation:

it would be first bodmas so

(15) /3 * root 64

5 * root 64

5*8

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2 years ago

What is AE?<br> Enter your answer in the box?

Nataly [62]

Answer:

AE = 18 units

Step-by-step explanation:

Δ AEB and Δ DEC are similar , then corresponding sides are in proportion, that is

$\frac{AE}{DE}$ = $\frac{AB}{DC}$ , substitute values

$\frac{2x+4}{x+8}$ = $\frac{12}{10}$ ( cross- multiply )

10(2x + 4) = 12(x + 8) ← distribute parenthesis on both sides

20x + 40 = 12x + 96 ( subtract 12x from both sides )

8x + 40 = 96 ( subtract 40 from both sides )

8x = 56 ( divide both sides by 8 )

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