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il63 [147K]
3 years ago
7

Find the value of x.

Mathematics
2 answers:
PIT_PIT [208]3 years ago
7 0

Answer:

x = 55

Step-by-step explanation:

We know that triangles add up to 180 degrees, so let's start with that. Keep in mind that "y" will be the third degree of the triangle.

21+34+y = 180

55+y = 180

y = 125

Okay, now we know that the third degree is 125. Also, the line that 125 and x are on is a straight line. All straight lines are 180 degrees. Subtract 180 and 125 to get your answer.

180-125 = 55

So your final answer will be x=55, hope this helped!

Nimfa-mama [501]3 years ago
4 0

Answer:

x=55

Step-by-step explanation:

you have to add the three angles to get 180 first. 180- 21-34=125.

then take the missing angle inside the triangle (125) and subtract by 180.

180-125=55

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The tape diagram represents an equation.​
boyakko [2]

Answer:

20

Step-by-step explanation:

6p = 120

p = 120/6

p = 20

7 0
3 years ago
A)x 1/9
STALIN [3.7K]

Answer:

Answer should be x^9

Step-by-step explanation:

This equation looks really complicted, but it's actually much easier when you break it down! First, your going to multiply the fraction 3/2 by 6 - since one is a fraction, youre going to find the GCF, or Greatest Common Factor, and reduce it. The GCF in this equation is 2, so we eliminate the two from the fraction (making it just 3) and divide 6 by 2 (getting 3). Thus, we are left with (x^3)^3 -> 3 x 3 = 9. So we are left with x^9. I hope this helps!

5 0
3 years ago
5p + 3 = 15 Write a situation that this equation could help you solve and explain how each part of the equation relates to the s
riadik2000 [5.3K]

Expressions can be represented as equations, and vice versa.

A possible situation is as follows:

<em>John is 15 years old, and his age is 3 more than 5 times his brother's age</em>

The equation is given as:

\mathbf{5p + 3 = 15}

This means that:

  • 15 represents John's age
  • P represents his brother's age
  • 5 and 3 are the constants that relate their ages

Read more about word equations at:

brainly.com/question/20518082

4 0
3 years ago
Read 2 more answers
The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used
Deffense [45]
3,1 centimetrs (three, point, one)
4 0
3 years ago
Read 2 more answers
1. Vinay applied the distributive property to the equation -5(m - 2) - 25. His equation then became --5m + 10 = -125. Did he app
Ahat [919]

Answer:

  • C. No. Vinay also multiplied the right-hand side of the equation by --5, which is incorrect.

Step-by-step explanation:

<u>Proper application of the property:</u>

  • - 5(m - 2) - 25 = -5m - 5(-2) - 25 = -5m + 10 - 25 = -5m - 15

Vinay multiplied 5 and 25 as well, which is incorrect.

Correct answer choice is C.

8 0
3 years ago
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