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bija089 [108]
3 years ago
9

A race car driver won a 300 mile race with a speed of 194 miles per hour. Find the drivers time.

Mathematics
1 answer:
agasfer [191]3 years ago
8 0
Time = distance / speed

time = 300/194
time = 1.546 hrs...not sure if u need that rounded...if so, then it is 1.5 hrs or 1 1/2 hrs
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Look at the image for the question
saw5 [17]
It’s 16
You would multiply height (4) by the base (length(2) x width(2)=4) which is 16
5 0
3 years ago
Suppose f(x) =6x second power-4, what is f(-1)?
meriva

Answer:

f(-1)=6×(-1)^-4=6/(-1)^4=6/1=6

8 0
3 years ago
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If dy/dx = X2 + 4, What is the value of y?
Tems11 [23]
Antideritiive
antideritive of  is 
antiderititve of a constant is that constant times x
so

antideritive of  is 
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D is answer
6 0
3 years ago
A square outdoor patio with side length x feet is surrounded by a brick walkway that is 4 feet wide. What is the area of the wal
Masja [62]

Answer:

Area of walkway = 16(x+4) ft^{2}

Step-by-step explanation:

Length of the sides of the square outdoor = x feet

Area of the square outdoor = length x length

                            = x * x

                            = x^{2} ft^{2}

The square outdoor is surrounded by 4 feet of walkway. So that,

length of the walkway = (x + 2(4))

                                     = (x + 8)

Area of walkway with outdoor = (x + 8)*(x + 8)

                                      = (x^{2} + 16x + 64) ft^{2}

Area of walkway = Area of walkway with outdoor - Area of the square outdoor

                            = ( x^{2} + 16x + 64) - x^{2}

                            = 16x + 64

Area of walkway = 16(x+4) ft^{2}

7 0
3 years ago
Solve for the base. Round to hundredths when necessary.
Elena-2011 [213]

Answer:

  1. 2730.54
  2. 18.8%
  3. 62.5% (decrease)

Step-by-step explanation:

The applicable formula is ...

  rate = portion/base

so ...

  base = portion/rate

Of course, a percentage is a fraction that has been multiplied by 100%.

__

1. base = portion/rate = 456/0.167 ≈ 2730.54

The base is about 2730.54.

__

2. rate = portion/base = 50/266 ≈ 0.18797 ≈ 18.8%

The rate is about 18.8%.

__

3. The decrease can be figured from ...

  rate of change = (new amount)/(original) -1 = 33/88 -1

     = -5/8 = -0.625 = -62.5%

The rate of decrease is 62.5%.

6 0
3 years ago
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