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Inessa [10]
3 years ago
11

Solve for x no work needed

Mathematics
1 answer:
wariber [46]3 years ago
4 0

Answer:

\huge\boxed{82 \textdegree}

Step-by-step explanation:

We know that all angles in a triangle will add up to 180°. Since we know the measure of all 3 angles, we can create this equation:

31+x+(x-15) = 180

Let's solve for x.

Combine like terms:

31+2x-15=180

Add 15 to both sides:

31+2x=195

Subtract 31 from both sides:

2x=164

Divide both sides by 2:

x= 82

So x is 82°.

Hope this helped!

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Which expression is equivalent to 3m+1-m?
Lisa [10]

Answer:

option  (a) is correct.

2 + m - 1 + m is an equivalent expression  to the given expression  3m+1-m

Step-by-step explanation:

 Given expression  3m+1-m

We have to choose an equivalent expression from given options.

Equivalent expression are those expression that looks different but are same.

Like 4+2 = 6  and 3+ 3 = 6

Both have same value but looks differently.

Like terms are term having same variable with same degree.

Consider the given expression  3m+1-m

Simplify by adding like terms,

3m + 1 - m = (3-1) m + 1

Thus, (3-1) m + 1  = 2m + 1

Also 2m + 1 can be written as m + m + 2 - 1

Thus, option  (a) is correct.

6 0
3 years ago
Read 2 more answers
A bus traveled 336 miles in 7 hours. It traveled the same number miles each hour. If the bus continues at the same numder of mil
MrRissso [65]

Answer:

The bus will travel 720 miles in 15 hours.

Step-by-step explanation:

As you know that the bus traveled 336 miles in 7 hours and it traveled the same number miles each hour, you can divide the amount of miles it traveled by the number of hours to determine the amount of miles per hour:

336/7=48

Now, you can multiply the number of miles the bus traveled each hour for 15 hours:

48*15=720

According to this, the answer is that the bus will travel 720 miles in 15 hours.

4 0
3 years ago
Petra eats five and three fifths pies in a pie-eating contest. Paulie eats three and fourteen sixteenths pies in the contest. Ho
Alex777 [14]

Answer:

2 7/20

Step-by-step explanation:

So Lets put these into a fraction form

Petra: 5 3/5

Pauline: 3 4/16 -> Can be Simplified = 3 1/4

Take the number of pies Petra Ate and subtract it by the number of pies Pauline ate

Change the numbers to a common factor. (multiply 3/5 by 4 and 1/4 by 5 to have common denominators)

5 \frac{12}{20} - 3 \frac{5}{20}

Make These Into a Mixed Fraction

\frac{112}{20} -\frac{65}{20}

Subtract 112-65

\frac{47}{20}

Simplify (divide 47 into 20 how many times to get into a mixed fraction)

2 \frac{7}{20}

I think this is right. Hope This Helps

7 0
3 years ago
Read 2 more answers
5x² + 14x + 8 = (5x + 4))<br> Solve for ()
scoray [572]

Answer:

2(2.5x+2)

Step-by-step explanation:

you do distributive property

4 0
3 years ago
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PLEASE HELP URGENT MY MOM WILL GROUND ME IF I DONT FINISH THIS LOL
exis [7]

Step-by-step explanation:

Hope it helps you in your learning process.

8 0
3 years ago
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