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rewona [7]
3 years ago
9

What is the value of y? Someone please help asap

Mathematics
2 answers:
loris [4]3 years ago
8 0
The answer is 60, a triangle has to add up to 180 degrees.
OLga [1]3 years ago
3 0
The answer is 60 cause 60 plus 60 equal 120 than u subtract that by 180 u get 60
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Are 124 and 741 relatively prime?
iren [92.7K]
Yes 124 and 741 are relatively prime
5 0
3 years ago
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What is the third angle of a triangle if the other two are (3x-20)° and (4x+10)°​
Karolina [17]

Answer:

The other angle is 190-7x.

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

Let A be the third angle.

A + (3x-20) + (4x+10) = 180

A = 180 - (3x - 20) - (4x + 10) = 190 - 7x

8 0
3 years ago
I honestly don’t understand this ::))
GrogVix [38]

Answer:

Answer is 100 sq m

Step-by-step explanation:

A = a^{2}

A = 10^{2}

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7 0
3 years ago
-2x - 6y = -24<br> X-8y = -10
Debora [2.8K]

Answer:

x = -26 and y = -2

I hope this is the answer you are looking for

Step-by-step explanation:

x-8y = -10 => add 8y to both sides

+8y = +8y

x = -10+8y

-2(-10+8y) -6y = -24 => intersect what you got into the first equation

20-16y-6y = -24 => Distribute the -2

20-22y     = -24 => subtract 20 in both sides

-20           = -20

-22y = -44 => divided by -22 in both sides

/-22 = /-22

y = -2

x-8(-2) =-10 => intersect the y into the other equation

x+16 = -10 => multiply -8*-2

 -16  = -16

x = -26 => subtract 16 in both sides.

8 0
3 years ago
Given fx) = 17- x2, what is the average rate of change in f(x) over the interval [1, 5]?
Andrei [34K]

Let [a, b] = the interval

The average rate of change can be found by using [f(b) - f(a)]/(b - a).

Let a = 1 and b = 5.

Let R = rate of change

17- x^2

R = [17 - 5^2] - [17 - 1^2]/(5 - 1)

R = [17 - 25] -[17 - 1]/4

R = [(-8) - (16)]/4

R = (-24)/4

R = -6

Done.

6 0
4 years ago
Read 2 more answers
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