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2 years ago

If its not an protractor then what is it?

Mathematics

2 answers:

irina1246 [14]2 years ago

6 0

Answer: If it is not a protractor then it is a ruler. A ruler may determine measurements over a thermometer or pencil.

Step-by-step explanation:

Zielflug [23.3K]2 years ago

3 0

MATH

TO determine if two segments are congruent use a ruler.

Congruent basically means equal.

The tool that you use to determine if two segments are of equal length is a ruler (C)

Learn more;work harder

#Carryonlearning

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3 years ago

ANSWER QUICK! BRAINLIEST IF RIGHT!

Solnce55 [7]

67°, every triangle equals 180° so add together 35+78 which equals 113. subtract 180-113 and get 67!

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2 years ago

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What does coeffient stand for

azamat

A numerical or constant quantity place before and multiplying the variable in an algebraic expression

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3 years ago

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Please someone help me. It's about proving related to transformation of trigonometric ratios. Thank you!!

kvasek [131]

Answer:

see explanation

Step-by-step explanation:

Using sum to product identities

cos x - cos y = - 2sin( $\frac{x+y}{2}$ )sin( $\frac{x-y}{2}$ ) = 2sin( $\frac{x+y}{2}$ )sin( $\frac{y-x}{2}$ )

cos x + cos y = 2cos( $\frac{x+y}{2}$ )cos( $\frac{x-y}{2}$ )

Note that

sin10° = sin(90 - 10)° = cos80°

Thus

$\frac{2sin(\frac{10+80}{2})sin(\frac{80-10}{2}) }{2cos(\frac{10+80}{2})cos(\frac{80-10}{2}) }$ ← cancel 2 from numerator/ denominator

= $\frac{sin45}{cos45}$ × $\frac{sin35}{cos35}$

= tan45° × tan35° { tan45° = 1 ]

= 1 × tan35°

= tan35° ← as required

5 0

3 years ago

Read 2 more answers

A rectangular prism has a volume of 137.54ft the length is 2.3 feet and the height is 13 feet. Write and solve an equation to de

patriot [66]

All you have to do is multiply 2.3 by 13 together to get 29.9. Then you would subtract that by the total volume which would get 107.64. That's the width.

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3 years ago