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miss Akunina [59]
3 years ago
13

There is a rope running from the top of a flagpole to a hook in the ground. The flagpole is 8 meters high and the hook is 4 mete

rs from its base. How long is the rope? use the pythagorean theorem to solve. PLEASE PLEASE HELP MEEE
Mathematics
1 answer:
soldi70 [24.7K]3 years ago
6 0

Answer:

The length of the rope = 8.94 meters

Step-by-step explanation:

∵ The flagpole is 8 meters high

∵ The hook is 4 meters from its base and the hook is in the ground

∵ The flagpole and the ground ⊥ to each other

By using Pythagoras theorem:

∴ The length of the rope = √(8² + 4²) = 5√5 = 8.94 meters

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OLga [1]

Answer:

the answer is 32 square inches

Explanation:

Divide the shape into a rectangle and a square

Area of the rectangle = 20 square inches

Are of the square = 12 square inches

Add both the areas

= 20 square inches + 12 Square inches

= 32 square inches

8 0
3 years ago
For each problem, explain or show your reasoning, a. 160 is what percentage of 40? b. 40 is 160% of what number? c. What number
grigory [225]

Answer:

A. 160 Out of 40 is 400%./// B. The answer is 25/// C.  The answer is 3905%

Step-by-step explanation:

( A )  One step solution:

You can easily find the answer in one step, just multiplying the part by 100 then dividing the result by the percentage.

So, 160 is 40% of =  <u>160 X 100   </u>   = 400

                                        40

                                             

( B ) The same thing as A but the numbers are switched

       One step solution:

You can easily find the answer in one step, just multiplying the part by 100 then dividing the result by the percentage.

So, 40 is 160% of = <u>40 × 100</u>      = 25

                                          160

( C ) Working out a percentage increase or decrease between two numbers is pretty simple. The resulting number (the second input) is 1602 and what we need to do first is subtract the old number, 40, from it:

1602 - 40 = 1562

Once we've done that we need to divide the result, 1562, by the original number, 40. We do this because we need to compare the difference between the new number and the original:

<u>1562  </u>    = 39.05          

40

We now have our answer in decimal format. How do we get this into percentage format? Multiply 39.05 by 100?

39.05 x 100 = 3905%

5 0
3 years ago
Please help answer these questions? Be specific on which u are answering thanks!
aivan3 [116]
For 15 you can say... he is incorrect because I know when you add two integers that it's always smaller than the factors
4 0
3 years ago
Can anyone help me with this problem ASAP!
Nataly_w [17]

Answer:

Uuuuuh

Step-by-step explanation:

5 0
3 years ago
(-5x + 4) - (3x2 – 7x + 4) simplified and written in standard form?​
Ludmilka [50]

Answer:

Simplify the expression=

− 3 x^ 2  +  2 x

It's the same thing in standard form.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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