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Klio2033 [76]
3 years ago
15

The distance a body falls from rest varies as the square of the time the body is falling. If a body falls 64 ft. in two seconds,

how far will it fall in seven seconds?
Mathematics
2 answers:
Marat540 [252]3 years ago
8 0

Answer:

224

Step-by-step explanation:

lubasha [3.4K]3 years ago
4 0

Answer:

224 feet

Step-by-step explanation:

So because the body falls from rest at 64 feet in two seconds, we can divide that by two so that the body falls from rest at 32 feet in one second. Since we are talking about in seven seconds, multiply 32 by 7 which equals 224 feet which is your answer.

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A ladder leans against a wall 6 ft above the ground. The base of the ladder is 3 ft from the wall. How long is the ladder?
Igoryamba

Answer:

6.71

Step-by-step explanation:

Hopefully this helps! :)

7 0
3 years ago
Give the domain and range of the relation (10,-3),(12,3),(-8,-7),(6,-1)
Iteru [2.4K]

Domain: {10, 12, -8, 6}

Range: {-3, 3, -7, -1}

There is one value of <em>y</em><em> </em>for every value of <em>x</em>.

This relation is a function.

6 0
2 years ago
A cash register contains $10 bills and $20 bills with a total value of $520. If there are 32 bills total, then how many of each
ohaa [14]

12 is the number of $10 bills

20 is the number of $20 bills

<u><em>Step-by-step explanation:</em></u>

<u><em /></u>

Hello,

<u>Let's note</u>

a    the number of $10 bills

b    the number of $20 bills

The total value is $520 so we can write the first equation (1)

    \boxed{\sf 10a \ + \ 20b \ = \ 520 }

We know that there are 32 bills in total so we can write the second equation (2)

    \boxed{\sf a \ + \ b \ = \ 32 }

(1) - 10*(2) gives

10a + 20b - 10(a+b) = 520 - 320 = 200

10a + 20b - 10a - 10b = 10b = 200

So b = 200/10=20

and then from (2) a = 32 - 20 = 12

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

7 0
3 years ago
Can anyone solve this for me? and show how you got that answer?
Mashutka [201]

53=20+x

Subtract 20 from 20 and 53

33=x

Hope this helps!

P.S.

Nice tab theme :P

6 0
2 years ago
Triangle ABC is a right triangle. Point D is the midpoint of side AB and point E is the midpoint of side AC. The measure of angl
butalik [34]

Answer:

Midsegment of a Triangle Theorem

Step-by-step explanation:

Midsegment of a Triangle Theorem - is the right choice

  • <em>The Midsegment Theorem states that the segment connecting the midpoints of two sides of a triangle is parallel to the third side and half as long.</em>

<u></u>

7 0
3 years ago
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