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3 years ago

Which is an example of the associative property?

Mathematics

1 answer:

labwork [276]3 years ago

8 0

Answer:

C. is the associative property of addition.

Step-by-step explanation:

The associative property of addition is the fact that not matter how they are grouped, numbers added together still create the same sum. You'll see that in this example, they group different pairs, but you'd still get the same answer.

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in the pair of triangle, write the similarity statement and identify the postulate of theorem that justifies the similarity.

Varvara68 [4.7K]

Answer:

ΔEFG ~ ΔRPQ - Angle Angle Angle Theorem

ΔEFG ~ ΔRFQ - Side Side Side Proportional Theorem

Step-by-step explanation:

First set : using triangle sum theory to find missing angle. Letters should match congruent angles when creating statement.

Second set :

$\frac{EG}{RQ}$ = $\frac{10}{12}$ = $\frac{5}{6}$

$\frac{EF}{RF}$ = $\frac{15}{18}$ = $\frac{5}{6}$

$\frac{FG}{FQ}$ = $\frac{20}{24}$ = $\frac{5}{6}$

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3 years ago

What percent of 50 is 18? Enter your answer in the box.

ZanzabumX [31]

First take 18 and divide by 50 = .36, so your percent is 36%.

3 0

3 years ago

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Solve Tan^2 theta= 1+sec theta

stiv31 [10]

Answer:sec0

Step-by-step explanation:

8 0

3 years ago

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A regular octagon with sides of length 7 and an apothem of length 10.49 has an area of how many square units

Ray Of Light [21]

Answer:

The area of the regular octagon is $293.72\ units^{2}$

Step-by-step explanation:

we know that

The area of the regular polygon is equal to

$A=\frac{1}{2}Pa$

where

P is the perimeter of the regular polygon

a is the apothem

Find the perimeter P

$P=8(7)=56\ units$

Find the area

$A=\frac{1}{2}(56)(10.49)=293.72\ units^{2}$

6 0

3 years ago

Simplify exponents 5^-4over5^3 A.5^7 B.5^-1 C1/5 1/5^7

Dimas [21]

Answer:

D. 1/5^(-7)

Step-by-step explanation:

ACCORDING TO THE LAW OF INDICES:

$\frac{a {}^{n} }{a {}^{m} } = {a}^{n - m}$

So; 5^(-4)/5^3

=5^(-4)-3

=5^-7

OR,

1/5^7

5 0

3 years ago