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AnnZ [28]
3 years ago
14

What is the value of y?

Mathematics
2 answers:
diamong [38]3 years ago
7 0
Since a triangle is 180 degrees in total, you can add the angles you have and subtract 180 by it to get the missing angle, in other words:
79+37+x=180
dimaraw [331]3 years ago
3 0
All angles in a triangle = 180. SO we can make an equation to find y:
79+37+y=180
116+y=180 (combine like terms)
y=64 (subtract the 116)
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One number is four times another number. If their sum is 95, what are the numbers?
nikdorinn [45]
Let x be one number and y be the other.

#1 - Set up a system of equations.
4x = y
x + y = 45

#2 - Solve the system by substitution.
x + (4x) = 45
5x = 45
x = 9

(9) + y = 45
y = 36
8 0
3 years ago
Read 2 more answers
The sum of two numbers is 65. The larger number is 5 more than the smaller number. What are the numbers?
ipn [44]

Answer:

30 and 35

Step-by-step explanation:

Put this question into equation form:

Let x be the smaller number, if the larger number is 5 more and the total is 65:

x + 5 + x = 65

2x + 5 = 65

Subtract 5 from both sides

2x + 5 - 5 = 65 - 5

2x = 60

Divide both sides by 2:

2x ÷ 2 = 60 ÷ 2

x = 30

As the larger number is 5 bigger:

30 + 5 = 35

So the two numbers are 30 and 35.

Hope this helps!

8 0
3 years ago
Read 2 more answers
What % of 400 = 193
saveliy_v [14]
The best way to find your answer is to divide 193 by 400 to get .4825 and to make sure if it is the answer you take 400 and multiply .4825 and it will be 193 so .4825 = 48.25%
3 0
3 years ago
Zoe's mom is carpeting her room and needs to know the amount of floor space how many square feet of carpeting are needed for the
Radda [10]
The complete question in the attached figure

we know that
[Area of her bedroom]=[11*10]+[12*8/2]+[10*6]------> 218 ft²

the answer Part A) is
Are needed 218 ft² of carpeting for the room

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the answer Part B) is
Are needed 74 ft <span>of baseboards</span> for the room

6 0
3 years ago
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What are the resulting coordinates of triangle A′B′C′ after reflecting triangle ABC across the origin if the vertices of triangl
Roman55 [17]

Answer:

C

Step-by-step explanation:

When reflecting across the origin, negetives become positives and positives become negetives.

Hope that helps!

6 0
2 years ago
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