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mote1985 [20]
3 years ago
9

Identify the percent of change as an increase or decrease. Then find the percent of change, rounding to the nearest tenth of a p

ercent, if necessary.
60 cars to 24 cars
Mathematics
1 answer:
kap26 [50]3 years ago
3 0

Answer:

-60% decrease

Step-by-step explanation:

60 is the old value and 24 is the new value.

percent change = \frac{new - old}{|old|} x 100%

so for this problem, you can substitute the values given in the formula:

percent change = \frac{60-24}{|60|} x 100% = \frac{-36}{60} x 100% =

-60% (decrease)  

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A street sign is 104 inches tall. How tall is it in feet and inches.
ikadub [295]

Answer:

8 ft 8 in

Step-by-step explanation:

104/12 = 8.666...

This shows that there are 8 total feet because there are 12 inches in a foot

Then, multiply 8*12 to get 96 in order to get the remainder of the inches left that do not make up one whole foot.

Then subtract 96 from 104 (104-96) to get the remainder which is 8 inches.

7 0
3 years ago
Please please help help please please help ASAP
ioda
(-3,4) is going to be ur answer ;)
4 0
3 years ago
A helicopter is hovering 450 feet above the ground. The angle of elevation
SIZIF [17.4K]

Answer:

The distance of helicopter from the injured person is 542.82 feet  

Step-by-step explanation:

Given as :

The height of the hovering helicopter above the ground = h = 450 feet

The angle of elevation from injured person to helicopter = Ф = 56°

Or, Let the distance of of helicopter from person = x feet

Now, From Triangle

∵ Sin Ф = \dfrac{\textrm Perendicular}{\textrm Hypotenuse}

∴  Sin 56° = \dfrac{\textrm h}{\textrm x}

Or, 0.8290 = \dfrac{\textrm 450}{\textrm x}

Or , x = \dfrac{\textrm 450}{\textrm 0.8290}

I.e x = 542.82 feet

So, The distance from injured person to helicopter = 542.82 feet

Hence The distance of helicopter from the injured person is 542.82 feet  Answer

3 0
3 years ago
Please help!!!!!!!!!
shepuryov [24]
A, the first one only, this parabola only has a minimum and no maximum.  the other statements are also just false 
7 0
3 years ago
The heights of the children at a summer camp are normally distributed with a mean of 54 in. and a standard deviation of 2.4 in.
Andreyy89
The z-score is a measure of how many standard deviations the value is from the mean. A z-score of 1.5 means that the value is 1.5 standard deviations above the mean. 

<span>1.5 x 2.4 = 3.6 </span>
<span>54 + 3.6 = 57.6 </span>

<span>Answer: </span>
<span>57.6 in </span>

<span>The formula is: </span>
<span>x = zσ + μ </span>

<span>z : z-score (1.5) </span>
<span>σ : standard deviation (2.4) </span>
<span>μ : mean (54) </span>

<span>Answer: </span>
<span>x = 57.6</span>
6 0
3 years ago
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