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DanielleElmas [232]
3 years ago
9

Superman needs to save Lois. After flying for 10 seconds he is 1520 meters from her then at 15 seconds he is 1230 meters from he

r. What is supermans average rate
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0
Average speed is 58 meters per second
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Using Postulates and/or Theorems, determine whether ABC~AXY.
Xelga [282]

Answer:

They are not similar

Step-by-step explanation:

To see whether the triangles are similar or not we can compare their side lengths:

AB = 24

AX = 6

AX/AB = 1/4 is the ratio now let's compare this to AY/AC

AY/AC = 10/25 if we simplify this the result will be 2/5 as we can see the side lengths are not proportional so the triangles are not similar.

4 0
2 years ago
Simplify #53: 3(x + 2) - 4x<br><br><br><br> Help please
labwork [276]

Answer:

-x+6

Step-by-step explanation:

3(x+2)-4x

3x+6-4x

-x+6

8 0
2 years ago
What is 21 1/4% expressed as a fraction? 13/200 17/80 21/80 17/40
natta225 [31]
The answer is 17/80
Step by step:
Move decimal 2 to the left,
.2125
Then:

2125
____
10000
Then just simplify from there
3 0
2 years ago
Ken read 30 pages of a book on monday and 1/8 of the book on tuesday, he completed the remaining 1/4od the book on wednesday.how
dlinn [17]
Let the total amount of pages be t
t=30+1/8t+2/8t
now simplify
t=30+3/8t
5/8t=30
divide 30 by 5
1/8=6
now you know 1/8 of the book is 6 pages which means the whole book has 48 pages.

7 0
3 years ago
I HAVE A CYLINDER AND cone WITH THE
Vlad1618 [11]

Answer:

99 in³

Step-by-step explanation:

Let the radius and height of each be r and h in. respectively.

Write an equation for the volume of cone.

Volume of cone= ⅓πr²h

⅓πr²h= 33

Multiply both sides by 3:

πr²h= 99

Volume of cylinder= πr²h

We have found the value of πr²h previously, which is 99.

Thus, the volume of the cylinder is 99 in³.

6 0
2 years ago
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