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Karolina [17]
3 years ago
12

Harry is half as old as Mort. Mort is seven years older than Harry. How old is each boy?

Mathematics
1 answer:
AysviL [449]3 years ago
6 0
Harry is 7 Mort is 14
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If a point P(–1, –1) is reflected across the line y = –2, what are the coordinates of its reflection image?
Ksivusya [100]
Since the line of refrection is a horizontal line, the x-coordinate of the image will be the same as the x-coordinate of the point P(-1, -1). P(-1, -1) is one unit above the line y = -2, hence the image will be one unit below the line y = -2. Therefore the coordinate of the image is (-1, -3)
8 0
3 years ago
Simplify the expression <br> (-2)2x6y2<br> _________<br> (-2)-3x4y-2
Natasha2012 [34]

Answer:

-48xy

Step-by-step explanation:

For part A:

Multiplying all the constants together:

-48xy

For part B:

Multiplying all the constants together:

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8 0
3 years ago
The bases of the trapezoid are 6 and 10. The height is 4. Find the area. 30 sq. units 32 sq. units 64 sq. units
DiKsa [7]
A of trapezoid = (6+10)•4/2= 16•2=32sq un
6 0
3 years ago
Read 2 more answers
A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. Which e
kirill115 [55]

We can use the arc length formula to solve this.

Arc length = \frac{q}{360}*2\pi r

Given arc length is 7 and radius is 5, we can plug in the values and solve for q.

7=\frac{q}{360}*2\pi (5)\\7=\frac{q}{360}*10\pi \\7=\frac{10\pi q}{360}\\7=\frac{\pi q}{36}\\7*36=\pi q\\252=\pi q\\q=\frac{252}{\pi}\\q=80.21


ANSWER:

We can use the equation 7=\frac{q}{360}*2\pi (5) to find the value of q. And, the value of q is 80.21°.


3 0
3 years ago
Read 2 more answers
Solve for x<br> - 1/5 (x – 4) = -2<br> Enter your answer in the box.<br> x =
UkoKoshka [18]

-1/5 (x - 4) = -2

(-1/5)x + (4/5) = -2    

-2 can be turned into -10/5

(-1/5)x = (-10/5) - (4/5)

(-1/5)x = -14/5

multiply by -5 on both sides

x = 14

hope this helps :)

4 0
3 years ago
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