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nydimaria [60]
3 years ago
6

Please help! Thanks alot

Mathematics
2 answers:
Rina8888 [55]3 years ago
6 0

kfkffjdjdkkekkekzkzkefnfnfnfnddn

wlad13 [49]3 years ago
3 0

Answer:

37.5 , 67.5 , 75

Step-by-step explanation:

x+x+30+2x=4x+30=180\\4x=150\\x=37.5\\

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Simplify:<br> sec x – sec x<br> (sin x)2
givi [52]

Answer:

Sec (x) - 2 tan (x)

Step-by-step explanation:

5 0
3 years ago
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Your neighbor burns 100 Calories in 10 minutes​ cross-country skiing. There is a proportional relationship between Calories burn
Zinaida [17]

Answer:

10

Step-by-step explanation:

For every one minute 10 calories are being burned

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3 years ago
What is an equation of the line that passes through (2,2) and is parellel to the line y=7x
laila [671]

Answer:

Therefore, equation of the line that passes through (2,2) and is parellel to the line y=7x is y=7x-12

Step-by-step explanation:

Given:

a line y=7x

To Find:

Equation of line passing through ( 2, 2) and is parellel to the line y=7x

Solution:

y=7x     ...........Given

Comparing with,

y=mx

Where m =slope

We get

Slope = m = 7

We know that parallel lines have Equal slopes.

Therefore the slope of the required line passing through (2 , 2) will also have the slope = m = 7.

Now the equation of line in slope point form given by

(y-y_{1})=m(x-x_{1})

Substituting the points and so we will get the required equation of the line,

(y-2)=7(x-2)=7x-14\\\\y=7x-12......Equation\ of\ line

Therefore, equation of the line that passes through (2,2) and is parellel to the line y=7x is y=7x-12

4 0
3 years ago
Write an equation in point-slope for, for the line through the given spot (4, -6); m = 3/5
oee [108]

The point-slope form:

y-y_1=m(x-x_1)

We have the point (4, -6) and the slope m = 3/5. Substitute:

y-(-6)=\dfrac{3}{5}(x-4)\\\\\boxed{y+6=\dfrac{3}{5}(x-4)}

3 0
2 years ago
Solve the system of equations using any appropriate method: 5x + 2y = -4 and -x + 2y = 8
Maru [420]

Answer:

A

Step-by-step explanation:

-x + 2y = 8

5x + 2y = -4

+ x. -2y. -8

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÷6. ÷6

x = -2

5(-2) + 2y = -4

-10 + 2y = -4

+10. +10

2y = 6

÷2. ÷2

y = 3

4 0
3 years ago
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