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Nina [5.8K]
3 years ago
9

For the following problem, match the name of the number property that was used to get to each step from the previous step.

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0

Answer:

37

Step-by-step explanation:37 • 2 • (-5+ 5+ 1/2)

37 • 2 • (0 + 1/2 )

37 • 2 • 1/2

37 • 1

37

identity property of addition

commutative property

inverse property of multiplication

inverse property of addition

identity property of multiplication

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Answer:

3 1/3 miles

Step-by-step explanation:

Find the unit rate. 2 1/2 is the numerator because distance is usually the numerator when it comes to unit rates. 3/4 is the denominator.

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3 years ago
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Answer:

Here is the steps. 67.5 cm^3

Step-by-step explanation:

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2 years ago
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3 years ago
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1. In ABC, C is a right angle and BC = 11. If B = 30°, find AC. (1 point)
faltersainse [42]

Answer:

AC=\frac{11\sqrt{3}}{3}

Step-by-step explanation:

Given that triangle ABC is a right angle triangle. Where angle C is a right angle. Also we have been given that BC = 11, B = 30°. Now we need to find the value of AC.

Apply formula:

\tan\left(\theta\right)=\frac{opposite}{adjacent}

\tan\left(B\right)=\frac{AC}{BC}

\tan\left(30^o\right)=\frac{AC}{11}

\frac{1}{\sqrt{3}}=\frac{AC}{11}

\frac{11}{\sqrt{3}}=AC

AC=\frac{11}{\sqrt{3}}

or

AC=\frac{11}{\sqrt{3}}\cdot\frac{\sqrt{3}}{\sqrt{3}}

or

AC=\frac{11\sqrt{3}}{3}

Hence final answer is AC=\frac{11\sqrt{3}}{3}.

7 0
3 years ago
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If twice a number decreased by 5 and the result is multiplied by 4, the result is 36. find the number
Alexxandr [17]
The number = 7
(2x-5)4=36
2x-5=9     <----- divide by 4
2x=14      <-----  add 5
x=7           <----- divide by 2
4 0
3 years ago
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