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Simora [160]
3 years ago
6

In △ABC,m∠B=3⋅m∠C and m∠A=2⋅m∠C. What is m∠A?

Mathematics
2 answers:
poizon [28]3 years ago
7 0
30 is the right one
german3 years ago
5 0
90
The correct Answer is B

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Please help thank you.
Mnenie [13.5K]

Answer:

Option D

Step-by-step explanation:

Whenever we take a square root of a number the ± sign is with it like here in the question

x^2=20\\\\Apply\ square\ root\ on\ both\ sides\\sqrt{x^2}=\sqrt{20}  \\\\The\ square\ cancels\ out\ with\ the\ root\x=\sqrt{20}

And then x = ±4.47 which means x has two values one is +4.47 and the other is -4.47 so Option D is our answer.

7 0
2 years ago
A coin is flipped, and a number cube is rolled. What is the probability of getting heads on the coin and a number greater than 5
Art [367]

Answer:

1/3

Step-by-step explanation:

3 0
1 year ago
ms.tran has 1/3 of a tank of gas in her car.if the tank holds 14 1/3 gallons sbout how much does she have?
Paraphin [41]

(1/3) of (14-1/3)  =  (1/3) x (43/3) = (43/9) = about <em>(4 and 7/9) gallons</em>.

3 0
3 years ago
Which number line represents the solution to the inequality x - 3 &gt; 2
Ivahew [28]

Answer: x > 5

Step-by-step explanation: To solve for <em>x</em> in this inequality, our goal is the same as it would be if this were an equation, to get x by itself on one side.

Since 3 is being subtracted from x, we add 3 to

both sides of the inequality to get x > 5.

When graphing x > 5, we have an open circle on 5 and the

open circle tells us that 5 is not part of our answer.

Then we draw an arrow going to the right to represent

all possible solutions to this inequality, any number greater than 5.

6 0
3 years ago
Which property is used in the first step to solve this equation?
Nat2105 [25]

Answer:

distributive property

4 0
3 years ago
Read 2 more answers
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