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s344n2d4d5 [400]
3 years ago
14

What is - 3x - ( - 2 - 4x ) if x equals 5

Mathematics
1 answer:
m_a_m_a [10]3 years ago
7 0
It would be 7 because -3 times 5
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Give the line that is parallel to the line y=-5x-2 and goes through (3,-9)
igor_vitrenko [27]

Answer: I don’t think there is such a line. A Line that passes through the point (3,-9) must have a positive slope, unlike the line y=-5x-2, which has a negative slope. If a line where to go through (3,-9), is would intersect the line you presented.

3 0
2 years ago
Pls answer<br><br> Y’all are awesome thx
Vilka [71]

Answer: 12a.) slope is 125, y-intercept is 50 (started at 50 ft)

12b.) f(3) = 425 feet

12c.) 3.6 hours

Step-by-step explanation:

12a.) The slope equation is y = mx+b, where m is the slope, and b is the y intercept.

12b.) to find f(3) you could either plug it into the equation given (125x+50) or pretend there is a vertical line at 3 on the x axis, and where it crosses the line given would be the answer.

12c.) He is climbing a 500 ft cliff, and according to the graph, it takes him 3.6 hours to do it. Another way to find this answer would be to find f(3.6), which is indeed 500 ft.

Hope this helps!

3 0
3 years ago
The diameter of a circle has endpoints (–3, –10) and (4, –6). What is the equation of the circle?
fredd [130]

Answer:

The center of the circle is midpoint of the diameter:

The radius is equal the distance between C and Q:

An equation of a circle:

(x - a)² + (y - b)² = r²

(a; b) - a coordinates of a center

r - a radius

r = √65; (-3; 2) ⇒ a = -3 and b = 2

subtitute

(x - (-3))² + (y - 2)² = (√65)²

Answer:

the center: (-3; 2)

the radius: √65

the equation of the circle: (x + 3)² + (y - 2)² = 65

3 0
3 years ago
Read 2 more answers
Two sides of a triangle are 6 m and 7 m. The perimeter of the triangle is 23 m. What's the third side?
mixer [17]
23-6=17
17-7=10
The third side is 10m
8 0
3 years ago
Read 2 more answers
What is 1.400 as a common fraction and write as %
11Alexandr11 [23.1K]

Answer:

1.400 as a common fraction is 7/5

as a percentage 140%

Step-by-step explanation:

1.4 written as a fraction is;

\frac{14}{10}

simplifying we have;

\frac{14}{10}=\frac{7}{5}

Converting to percentage we simply multiply by 100.

\frac{7}{5}*100=140

8 0
3 years ago
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