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Ivahew [28]
3 years ago
13

What is the measure of angle A?

Mathematics
2 answers:
In-s [12.5K]3 years ago
8 0

Answer:

A+43+15=180 (angles of a triangle add up to 180)

A+58=180

A=180-58

A=122

satela [25.4K]3 years ago
7 0

Answer:

122

Step-by-step explanation:

180-43-15=122

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A survey found that 3 out of 100 randomly selected people have red hair. How many people in a group of 12,000 randomly selected
kirza4 [7]

Answer:

360 people out of 1200 are likely to have red hair.

Step-by-step explanation:

So I just saw that 100 x 120 equals 1200. So I just need to multiply 3 x 120 and I got 360. I think this is how to solve?

4 0
2 years ago
In ΔTUV, the measure of ∠V=90°, UT = 65, VU = 56, and TV = 33. What ratio represents the cosine of ∠T?
monitta

<u>Answer:</u> The ratio that represents the cosine of ∠T is \frac{56}{65}

<u>Step-by-step explanation:</u>

We are given:

UV = 56 units

VT = 33 units

UT = 65 units

∠V = 90°

Cosine of an angle is equal to the ratio of base and the hypotenuse of the triangle. ΔTUV is drawn in the image below.

\cos \theta=\frac{\text{base}}{\text{hypotenuse}}

Base of the triangle is UV and the hypotenuse of the triangle is TU

Putting values in above equation, we get:

\cos \theta=\frac{UV}{TU}=\frac{56}{65}

Hence, the ratio that represents the cosine of ∠T is \frac{56}{65}

6 0
3 years ago
Help! (Math and area!!)
LenKa [72]

Answer:

1.) Triangle is <u>1/2 x b x h (Which is option C)</u>

2.) Rhombus is<u> ½ × d1 × d2. (Which is option A)</u>

3.) Trapezoid is <u>½(b 1+b 2)h or (b1 + b2)h/2 (Which is option B)</u>

4.) Parallelogram is <u>base x height (Which is option D)</u>

Step-by-step explanation:

6 0
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HELP! ANSWER THE QUESTION IN THE PICTURE BELOW. THANK YOU!!!!!!!!
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The last one would be negative.

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The first one is multiplied by 0, so it can't be that one.

So it has to be the last one.
7 0
3 years ago
If f (x)=0.2(6-x), what is the value of f(-4)?
nikitadnepr [17]
The answer should be 2.
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3 years ago
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