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3 years ago

1/2 of a right angle is a? answers: A. reflex angle B. obtuse angle C. acute angle D. straight angle

Mathematics

2 answers:

Artemon [7]3 years ago

8 0

Answer:

C. acute angle

Step-by-step explanation:

As you know ,right angle is equal to 90 degrees so half of 90 degrees is 45 degree which is an acute angle (acute angles are the angles which are less than 90 degrees)

Hope this helps and pls mark as brainliest :)

Alex3 years ago

4 0

Answer: acute

Step-by-step explanation:

An angle that is less than 90 degrees

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Working alone and at a constant rate, Machine A takes 3 hours to create a widget. Machine B, working alone and at a constant rat

PilotLPTM [1.2K]

Answer:

Time required by Machine B to create a widget = 4 hours

Step-by-step explanation:

Time taken by Machine A ( $T_{A}$ ) = 3 hours

Time taken by Machine B ( $T_{B}$ )= x hours

Time taken by both machines by working together = 12 hours

The time required to both machines by working together to finish a task is given by the formula = $\frac{T_{A} {T_{B} } }{T_{A} + T_{B} }$

Put the values in above formula we get

⇒ T = $\frac{3 x}{3 + x}$

⇒ 12 = $\frac{3 x}{3 + x}$

⇒ 36 + 12 x = 3 x

⇒ x = - 4 hours

This is the time required by Machine B to create a widget.

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3 years ago

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3 years ago

Solve and check.

Thepotemich [5.8K]

C/3 = 6 1/7

Multiply 3 to both sides:

C = 6 1/7 * 3

Convert 6 1/7 into an improper fraction:

C = 43/7 * 3

Multiply 3 to the numerator:

C = 129/7

Convert back into a mixed number:

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3 years ago

Read 2 more answers

Find the t-value such that the area left of the t-value is 0.01 with 8 degrees of freedom.

Likurg_2 [28]

Answer:a is the answer

5 0

3 years ago

Please answer correctly, will mark brainliest when available. thanks!

xz_007 [3.2K]

Answer: n=9

Step-by-step explanation:

5n-12=3n+6

move 12 to the other side

5n=3n+18

then move 3n to the other side

2n=18

n=9

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3 years ago