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nlexa [21]
3 years ago
12

Round the number to the nearest thousand Add 27,498 + 4,657

Mathematics
1 answer:
VikaD [51]3 years ago
6 0

Answer:

32,000

Step-by-step explanation:

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Can someone help me solve this
ikadub [295]

Answer:

  1. 168.25 ft
  2. 3.125 s

Step-by-step explanation:

It is almost too easy to let a graphing calculator show you the solution. (See attached)

_____

You may be expected to use some actual algebra (or even calculus) to find the solution.

If you've spent any time with quadratics, you know the vertex of ax²+bx+c is located at x=-b/(2a). Here, that means the time to get to the highest point is ...

... t = -100/(2·(-16)) = 100/32 = 3.125 . . . . seconds

Then the highest point is ...

... h(3.125) = -16·3.125² +100·3.125 +12 = 168.25 . . . . feet

_____

Or, you can put the equation into vertex form.

... h(t) = -16t² +100t +12

... = -16(t² +6.25t) +12

... = -16(t² +6.25t +3.125²) +12 +16·3.125² . . . . . add the square of half the t coefficient inside parentheses; add the opposite of the same amount outside parentheses

... = -16(t +3.125)² +168.25 . . . . . simplify

This tells us the peak of the travel of the bullet is at 168.25 ft after 3.125 seconds.

6 0
3 years ago
The length of each side of the square is decreased by 2 inches, so the perimeter is now 48 inches . What was the original length
Jet001 [13]
X=original length of each side of the square.
perimeter: sum of all sides=4(length of the side)
The length of each side of the new square will be= (x-2)
we can suggest this equation:

4(x-2)=48

We solve this equation:
4(x-2)=48
4x-8=48
4x=48+8
4x=56
x=56/4
x=14

Answer: the original length of each side of the square would be 14 in. 

5 0
3 years ago
34 − 23⋅ (5 − 2) − 60
kiruha [24]
34-23 times (5-2) - 60
33-23 times (3) - 60
33 - 69 - 60
33- 9
24
i hope this helps! feel free to mark brainliest
8 0
3 years ago
Read 2 more answers
David is going to Mexico for vacation he will exchange $550 for his new pesos the exchange rate is a $1 = 11.85 New pesos how ma
Anit [1.1K]
550(11.85)=6501 new pesos
7 0
3 years ago
Harry wants to buy a MP3 player that costs $46.95. He has $10.25 in his piggy bank. He gets $4.25 for allowance each week. How m
adell [148]

Answer:

I believe 9 weeks

Step-by-step explanation:

take 46.96 and subtract 10.25 and you have 36 70 left he needs. 4.25x9 would be a little over 36.70 which is how much left u need

4 0
2 years ago
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