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mezya [45]
3 years ago
14

What is the measure of angle a?

Mathematics
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

a = 63˚

Step-by-step explanation:

1. Recognize that any triangle = ∑180˚

2. 180-81-b-a=0

3. 180-117=63˚

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Solve for 2 unknowns<br> 3y + 3x =24<br> 6y+3x = 39
kari74 [83]
The two unknown variable in the two given equations are "x" and "y". 
3y + 3x = 24
Dividing both sides by 3 we get
y + x = 8 
x = 8 - y
Putting the value of y in the second equation we get
6y + 3x = 39
Dividing both sides by 3 we get
2y + x = 13
2y + 8 - y = 13
y = 13 - 8
  = 5
Putting the value of y in the first equation we get
y + x = 8
5 + x = 8
x = 8 - 5
x = 3
So the value of x is 3 and the value of y is 5. I hope the procedure is clear enough for you to understand.
3 0
4 years ago
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If Sophie traveled 25 feet in 3 seconds, how fast was she traveling in miles per minute(5280 feet in a mile)
Oksanka [162]

Answer:

0.095 miles per minute

Step-by-step explanation:

If Sophie traveled 25 feet in 3 seconds, then in 1 second she will travel

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But in 60 seconds make 1 minute, so in 1 minute, she will travel

(25/3) × 60 = 25 ×20

= 500 ft

Therefore in miles/minute, she was going

500/5280 = 0.095 miles per minute

3 0
4 years ago
Subtract (4x+10) from the sum of (8x+10) and (12x+7)​
Artyom0805 [142]

Answer:

The answer is 16x + 7

Step-by-step explanation:

First you want to add all of the like terms.

(8x + 10 + 12x + 7) - (4x+10)

20x + 17 - (4x + 10)

Now you want to subtract all of the like terms

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6 0
3 years ago
A movie theater sold 2,604 tickets in 6 days. they sold the same number of tickets each day. How many tickets did the theater se
puteri [66]

Answer: The movie theater sold 434 a day

Step-by-step explanation:

How I got 434 a day

So

If you multiply 434 x 6 = 2,604

so they sold 2,604 in 6 days.

Let me know if I did something wrong.

5 0
3 years ago
Add the product of 7 + 10 - 80
Delicious77 [7]
-63. PEMDAS Tells you to  add before subtracting
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3 years ago
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