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2 years ago

Which of the following could be the measure of a pair of consecutive angles of a rhombus?

Mathematics

1 answer:

LiRa [457]2 years ago

4 0

Your answer would be A. 122° and 58° because both angles have to equal 180°

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Which expressions are equivalent to Negative 9 (two-thirds x + 1)? Check all that apply.

Sav [38]

Answer:

$-9(\frac{2}{3}x) + 9(1)\\ \\-6x + 9$

Explanation:

Before we begin, remember the following rules:

1- Distribution property:

$a(b+c) = ab+ac$

2- Simplification of fractions:

$\frac{xy}{yz}=\frac{x}{z}$

3- Signs in multiplication:

+ve * +ve = +ve

-ve * -ve = +ve

+ve * -ve = -ve

Now, for the given problem, we have:

$9 (\frac{2}{3}x + 1)$

Starting with the distributive property:

$-9 (\frac{2}{3}x +1) = -9(\frac{2}{3}x) - (-9)(1) = -9(\frac{2}{3}x) + 9(1)$

..................>This corresponds to option 1

Now, we simplify the output from the above step:

$-9(\frac{2}{3}x) + 9 = \frac{-9*2}{3}x + 9 = -6x+9$

................> This corresponds to option 5

Hope this helps :)

4 0

2 years ago

Read 2 more answers

Which of the following mathematical expressions is written in standard form?

bearhunter [10]

Step-by-step explanation:

number2 the answer is a and

number 3 the answer is letter b

5 0

1 year ago

23 096 145

Yuri [45]

Answer:

twenty three million ninety six thousand one hundered fourty five

Step-by-step explanation:

not needed

4 0

1 year ago

The Angle-Angle Similarity Postulate states that “If two angles of one triangle are congruent to 2 angles of another triangle, t

grigory [225]

False because that proves the triangles are similar, not congruent

7 0

2 years ago

there are 2.54 centimeters in 1 inch. how many centimeters are there in 1 foot? in 1 yard? explain your reasoning

AVprozaik [17]

Answer:

1 foot = 30.48 centimeters

1 yard = 91.44 centimeters

Step-by-step explanation:

If there are 2.54 centimeters in an inch, and 12 inches in a foot, then you need to multiply 2.54 by 12.

Their are 36 inches in a yard so you need to multiply 2.54 by 36

3 0

2 years ago