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Arada [10]
3 years ago
14

Please answer something meaningful for grade 7

Mathematics
1 answer:
erastova [34]3 years ago
8 0
Ooh I loved this stuff but I kinda forgot how to do it but I know you are supposed to multiply 2 times pi times times radius so then 2 times 3.14 times 2.6 = ... and pi times 22 =...
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A​ hot-air balloon is flying at an altitude of 2999 feet. If the angle of depression from the pilot in the balloon to a house on
Bezzdna [24]

Answer:

5668.3

Step-by-step explanation:

The problem can be represented as a right angled triangle as shown below.

The angle of depression is equivalent to the angle inside the triangle (alternate angles) and it is 34°.

The altitude of the balloon is 2999 feet. (opposite)

Using trigonometric function, SOHCAHTOA, we can solve this:

sin(34) = \frac{opposite}{hypotenuse}\\ \\sin(34) = \frac{altitude}{distance}\\\\sin(34) = \frac{2999}{distance}\\\\distance = \frac{2999}{sin34}\\\\distance = 5668.3 feet

The pilot is 5668.3 feet far away from the house.

4 0
4 years ago
Ce Powered by MathXL - Inv. 2 - Thinking With Mathematical ... Copy 4
MAVERICK [17]

Answer:

y=640-3x

Step-by-step explanation:

The total amount of ounces in the bucket is 640, and it decreases by 3 each minute. For example, if you plug in 3 for x into that equation (which would represent 3 minutes), you would lose 9 ounces of water, which makes sense in the terms of the equation.

7 0
3 years ago
Can someone please help, I'll give out 20 points !
ElenaW [278]
I believe it would be negative three (-4) since the lines are thinner however; there is a chance they are skip counting by 2. In that case the answer would be negative six (-6).
6 0
3 years ago
Read 2 more answers
Please help <3 i have a F in math
ikadub [295]

Answer:

5/6

Step-by-step explanation:

The slope is y change over x change so...

-2-3 over 1-7 which is -5 over -6 which is simplified to 5/6.

Hope this helps :D

3 0
3 years ago
Please help your smart right<br>​
jeka94

Answer:

No

No

Yes

Yes

No

No

Step-by-step explanation:

I hope this helps

3 0
3 years ago
Read 2 more answers
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