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Andreyy89
2 years ago
5

Find an angle measure of angle A and B A (5y-3) C (3y+27)

Mathematics
1 answer:
Mashcka [7]2 years ago
7 0

The measure of angle A and C will be 94.5° and 85.5°.

<h3>How to calculate the angle?</h3>

(5y - 3) + (3y + 27) = 180

Collect like terms

5y + 3y - 3 + 27 = 180

8y = 180 - 27 + 3

8y = 156

y = 156/8 = 19.5

(5y - 3) = (5 × 19.5) - 3 = 94.5

(3y + 27) = (3 × 19.5) + 27 = 85.5

Therefore, the measure of angle A and C will be 94.5° and 85.5°.

Learn more about angles on:

brainly.com/question/25716982

#SPJ1

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Find area and circumference of the circle please!! I need help!!! :(
Zielflug [23.3K]

Answer:

radius r = 12 in

diameter d = 24 in

circumference C = 75.3982237 in

area A = 452.389342 in2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which pair represents equivalent ratios? A Begin fraction . . . 2 over 3 . . . end fraction . . . and . . . begin fraction . . .
Blizzard [7]

Equivalent ratios are those ratios which are same that is on simplifying each of them, we will get the same answer.

A.\frac{2}{3} and \frac{9}{15} = \frac{3}{5}

So they are not equivalent

B.\frac{5}{8} and \frac{15}{21} = \frac{5}{7}

So they are not equivalent

C.\frac{3}{12} and \frac{6}{18} = \frac{1}{4} and \frac{1}{3}

They are not equivalent too.

D.\frac{4}{10} and \frac{12}{30} = \frac{2}{5} and \frac{2}{5}

And they are equivalent. SO the correct option is D .

5 0
4 years ago
Read 2 more answers
Someone please help me asap,
professor190 [17]

<em>Answer:</em>

Below is the complete proof.

<em />

<em>STATEMENT                              REASON  </em>

___________________________________________________

1. BC = EF                                    1. Given

2. AB + BC = AC                         2. Betweenness

3. AC > BC                                  3. Def. of segment inequality

4. AC > EF                                   4. Def. of congruent segments

Explanation:

  1. As BC = EF is given
  2. AB + BC = AC because it holds betweenness. Betweenness defines that if a point B is between points A and C, then the length of AB and the length of BC is equal to the length of AC.
  3. AC > BC because the Parts Theorem (Segments) mentions that if B is a point on AC between A and C, then AC > BC and AC>AB.
  4. AC > EF because BC = EF and if AC>BC, then it must be AC>EF.

<em>Keywords: segment, proof, statement</em>

<em> Learn more about proof, statement and reason from brainly.com/question/11775532</em>

<em> #learnwithBrainly</em>

5 0
4 years ago
The ratio of the sum of my favorite number and 9 to 15 is the same as the ratio of 3 to 5. What is my favorite number?
Blababa [14]

Let

x---------> my favorite number

we know that

(x+9)/15=3/5------> 5*(x+9)=15*3-----> divide by 5 both sides----> (x+9)=3*3

x+9=9------> x=0

therefore

the answer is

My favorite number is 0

8 0
4 years ago
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Sophie practices the piano 105 minutes in 1 week. If t represents the total time she practices for any number of days, d, write
Alex Ar [27]

Answer:

<h3>t = 15d</h3>

Step-by-step explanation:

You must first know that 1 week = 7days

If Sophie practices the piano 105 minutes in 1 week, this can be expressed as;

105 minutes = 7days

to calculate the total time t that she practices for any number of days, d, we will say;

t minutes = d days.

Solving both expression;

105 minutes = 7days

t minutes = d days.

Cross multiply;

7 * t = 105 * d

7t = 105d

Divide both sides by 7;

7t/7 = 105d/7

t = 15d

Hence a proportional equation for t in terms of d that matches the context is expressed as t = 15d

3 0
3 years ago
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