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xenn [34]
3 years ago
15

Please I need help really fast

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0

Answer: 30 degrees

Step-by-step explanation:

The total is 180 degrees.

there is a right angle on the left. A right angle is 90 degrees.

180 - 90 = 90

There is still 90 degrees left, meaning that the right side is a total of 90 degrees.

2x + x = 3x

x = 90/3

x = 30

Therefore,

x = 30 degrees!

Hope it helped!

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What are the vertex and xintercepts of the graph of the function below?<br> y=(x + 4)(x-2)
erik [133]

Yo sup??

y=(x+4)(x-2)

to find the x intercept put y=0

0=(x+4)(x-2)

so either x=-4 or x=2

Therefore the graph intersects the x axis at -4 and 2

Lenght of x intercept=|-4-2|=6 units

y=(x+4)(x-2)

=x^2+2x-8

This is an upward opening parabola

To find the coordinates of the vertex we can apply the formula

(-b/2a,-D/4a)

b=2

a=1

D=b^2-4ac

=4-4*1*(-8)

=4+32=36

Vertex=(-2/2*1,-36/4*1)

=(-1,-9)

Hope this helps.

3 0
3 years ago
10. The GCD of two numbers is 8 and their
riadik2000 [5.3K]
40

Hope this helped :)
3 0
3 years ago
There are 5 trees in Melinda's front yard. 2 of them are maple and 3 are oak. What percent
adell [148]
That would be 40%

Explanation:
2 divided by 5= 0.4
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6 0
3 years ago
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olga55 [171]
(2x + 10) + (6x + 1) = 180 - 79
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3 years ago
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
andriy [413]

Answer:

44.1

Step-by-step explanation:

Cosine = Adjacent over Hypotenuse

Adjacent of ∠T = 28 and hypotenuse = 39

Which means that  cos(x)=\frac{28}{39}

Now we solve for x

To get rid of the "cos" we take the inverse of cos ( which is cos^-^1 ) and apply it to each side

cos^-^1((cos)x) = x\\cos^-^1(\frac{28}{39} )=44.11461855

We're left with x = 44.11461855

Our last step is to round to the nearest tenth and we get that the answer is 44.1

3 0
2 years ago
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