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3 years ago

What is the perimeter of this square? A. 26.5 ft B. 26 ft C. 24.5 ft D. 13 ft

Mathematics

2 answers:

SSSSS [86.1K]3 years ago

7 0

We would have to see the square to determine that

Vesna [10]3 years ago

3 0

The answer would be 90 just add them all up

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Which of the following is not a perfect square a:50 b:49 c:121 d:1

Lostsunrise [7]

50 is not a perfect square because it does not have a perfect square root where as 49 is 7, 121 is 11, and 1 is 1

6 0

3 years ago

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A plane at an altitude of 7000 ft is flying in the direction of an island . If an angle of depression is 21 ° from the plane to

Nonamiya [84]

The horizontal distance until the plan flies over the island is 2687.05 feet approximately.

<u>Solution:</u>

Given that, A plane at an altitude of 7000 ft is flying in the direction of an island

An angle of depression is 21 degree from the plane to the island

We have to find what is the horizontal distance until the plan flies over the island

The diagram is attached below

Assume as shown in the diagram , now we can use the right angle triangle property

$\tan (21)=\frac{\text {distance between plane and point above island}}{\text {height of plane}}$

$\tan (21)=\frac{\text {distance between plane and point above island}}{7000}$

$\text { Distance between plane and point above island }=7000 \times \tan (21)$

$=7000 \times 0.38386=2687.0482$

Hence, the distance between plane and point above island is 2687.05 feet approximately.

3 0

3 years ago

5, 8, II, 14 ...<br>The pattern is<br>Next 2 terms =

QveST [7]

Answer:

the next two terms are 17, 20

Step-by-step explanation:

add 3 to each term

Example

5+3 = 8

8+3= 11

11+3= 14 etc.

4 0

3 years ago

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Help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Airida [17]

Answer: 19.6 feet

Step-by-step explanation:

Using the Pythagorean theorem,

$x^2 +(x+6)^2 =48^2\\\\x^2 +x^2 +12x+36=2304\\\\2x^2 +12x-2268=0\\\\x^2 +6x-1134=0\\\\x=\frac{-6 \pm \sqrt{6^2 -4(1)(-1134)}}{2(1)}\\\\x \approx 30.8 \text{ } (x > 0)\\\\\implies x+(x+6) \approx 67.6\\\\\therefore (x+(x+6))-48 \approx 19.6$

4 0

1 year ago

A change machine changes dollar bills into quarters and nickels. If you receive 12 coins after inserting a dollar bill, how many

Rudik [331]

Well, given that a quarter equals 5 nickels, we can reason that, in order to get 12 coins, we would have to get 10 nickels (equals 50 cents) and 2 quarters (the other 50 cents, to make a dollar).

You didn't say whether you needed this expressed in a mathematical formula, but knowing the answer already, it shouldn't be hard to come up with one if necessary.

Hope this helps.

3 0

3 years ago

Read 2 more answers