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OleMash [197]
3 years ago
14

What is the value of X ?

Mathematics
1 answer:
hjlf3 years ago
8 0
Because both lines DE and XY are parallel to one another, the 115° will be same for the line segment. XY

And because XY is a flat line, it's a straight angle. Meaning it's an 180° angle.

We need to find a value of x that when added 115° will equal 180°.

We can use this equation: x + 115 = 180

Subtract both sides 115.

x + 115 - 115 = 180 - 115
x = 65

So, x is equal to 65 degrees.
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Solve the system of equations x+4y=15 2x-y=-15
Lady_Fox [76]

x+4y=15 2x-y=-15


We have to make x neg.


-2(x) + 4y (-2)= -2(15)


-2x-8y=-30

2x-y=-15


-9y= -45


Solve for y


Y=-45/-9


Y = 5

Substitute your y answer into one original equation to find x .


x+4y=15


X+4(5)=15


X+20=15


X=15-20


X= -5


Answer is (-5,5)

7 0
3 years ago
It costs $12 to attend a golf clinic with mr. Stephan. Buckets of golf balls cost $3 each. How much can you buy if you have $30
Talja [164]
You can buy 6 buckets
Explanation:
12-30=18
18 divided by 3=6
4 0
2 years ago
Lmk ASAP please
Licemer1 [7]

Answer:

Step-by-step explanation:

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4 0
2 years ago
How do I solve this problem
zysi [14]
You need to simplify it
lets start with your orgininal equation here:
-5+3x=10
Now lets try and get "x" alone. we will do this by adding 5 to both sides.
-5+3x=10
+5       +5
3x=15
Now we have 3 times "x" equals 15
The next step would be to divide both sides by 3 in order to get "x" alone.
3x=15
x=15/3
x=5


4 0
3 years ago
Read 2 more answers
Sara’s ice cream looks pretty normal. It is shaped like a cone topped with a half-sphere. The cone has a height of 9 in and a ra
Lapatulllka [165]

Answer: 284.7

Step-by-step explanation:

radius of cone and hemisphere are the same

volume of half sphere=(1/2)*(4/3)*\pi r^{3}

                                    =(1/2)*(4/3)*3.14*4^{3}                       (4*4*4=64)

                                    =133.97333

                                    =133.97

volume of cone= (1/3)\pi r^{2}h

                         =(1/3)*3.14*4^{2}*9                                      (4*4=16)

                         =150.72

total volume=133.97+150.72

                    =284.69

                    =284.7

7 0
3 years ago
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