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Colt1911 [192]
3 years ago
9

Can someone pls help for brainlest

Mathematics
1 answer:
Sergio039 [100]3 years ago
5 0

Answer:

144

Step-by-step explanation:

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What is the percent of change from 25 to 18?<br> Can you explain the steps for me pls and thanks!
levacccp [35]

Answer:

18 is 72% of 25 which is also known as 28% less of 25

Step-by-step explanation:

18/25=.72

1-.72=.28

.28=28%

8 0
3 years ago
Read 2 more answers
Which absolute value function, when graphed, represents the parent function, f(x) = |x|, reflected over the x-axis?
tatyana61 [14]

Answer:

A. f(x) = -|x|

Step-by-step explanation:

just did it

6 0
3 years ago
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If a car has tires with a diameter of 28 inches and is traveling at 55 mph, how fast are its tires spinning, in rpm^ prime s (re
Aleksandr-060686 [28]

Answer:

The tires are spinning at 660.49 revolutions per minute.

Step-by-step explanation:

The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:

\omega = \frac{v}{r}

Where:

r: is the radius of the tires = d/2 = 28 inches/2 = 14 inches

\omega = \frac{55 mph}{14 inches*\frac{1 mile}{63360 inches}} = 2.49 \cdot 10^{5} \frac{rad}{h}*\frac{1 h}{60 min}*\frac{1 rev}{2\pi rad} = 660.49 rpm              

Therefore, the tires are spinning at 660.49 revolutions per minute.

   

I hope it helps you!          

5 0
3 years ago
20 points!! Pls help there will also be a part two
statuscvo [17]

the height of the poster must be multiplied by the ratio which is 1 to 2.5 which is 40 cm.

8 0
3 years ago
Solve 2x + 5 = 12 please help ​
kherson [118]

Answer:

first method

subtract 5 from both side

2x + 5 -5 = 12 - 5

:. 2x = 7

:. X= 2

7

divide 2 from both side

X= 2x 7

2 2

:. X= 3.5

second method

2x = 12 - 5

2x = 7

X= 2 ÷ 7

:. X= 3.5

3 0
3 years ago
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