3 years ago

HELP ME ASAP PLEASE <3 :(

Mathematics

2 answers:

Elena L [17]3 years ago

5 0

Answer: 10.99 squared

Step-by-step explanation:

Because pie is 3.14 and the are of a circle is

Pie multiplied by the radius square

Zolol [24]3 years ago

3 0

The area is 38.5 cm square
The circumference is 22 cm

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Find the altitude of an isosceles triangle with a vertex angle of 70° and a base of 246

Neporo4naja [7]

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and 1/2 base = 123

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4 years ago

Expand and simplify 4(2x +7) – 3(x + 5)

Vikentia [17]

Answer:

$4\left(2x+7\right)-3\left(x+5\right)=5x+13$

Step-by-step explanation:

Given the expression

$4\left(2x+7\right)-3\left(x+5\right)$

<u>Expand and simplify the expression</u>

$4\left(2x+7\right)-3\left(x+5\right)$

Expand 4(2x + 7) = 8x + 28

$4\left(2x+7\right)-3\left(x+5\right)=8x+28-3\left(x+5\right)$

Expand -3(x + 5) = -3x - 15

$=8x+28-3x-15$

Group like terms

$=8x-3x+28-15$

Add similar elements: 8x - 3x = 5x

$=5x+28-15$

Simplify

$=5x+13$

Therefore, we conclude that:

$4\left(2x+7\right)-3\left(x+5\right)=5x+13$

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3 years ago