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Nostrana [21]
2 years ago
13

On the freeway, it is unsafe to drive too slowly or too quickly. The safest driving speeds on the freeway near Allan’s town were

scientifically determined to be between the minimum and maximum speeds (in miles per hour) according to the equation |x – 55| = 4.2. Which equation can be used to determine the maximum safe driving speed?
Mathematics
2 answers:
Rom4ik [11]2 years ago
5 0
<span>your answer is C</span><span>
x + 55 = 4.2</span>
grandymaker [24]2 years ago
5 0

Answer:

for e2020 its C

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A linear function contains the following points.
nydimaria [60]
Find the slope first using m=y2-y1/x2-x1
-4-4/0-4 =2

The y intercept is when x=0.
One of the given points is (0,-4)
The y intercept is y=-4
4 0
3 years ago
Please help me im so confused i cant fail
Kaylis [27]

Step-by-step explanation:

since the volume formula is given in the picture,

volume of the cylinder = π x 3.75^2 x 6.21 = 274.349....in^3 (this is the exact answer)

HOWEVER,

since question says round off to nearest whole number,

Volume = 3 x 4^2 x 6 = 288in^3

therefore, answer = option C.

Hope that helps.

If you like to venture further, do check out my insta <em>(learntionary)</em> where I constantly post math tips! Thanks!

8 0
3 years ago
If the center of a circle is<br> (-5,8) and a point on the circle is (-5, -4) What is the radius?
Maslowich

Answer:

The radius is 12.

Step-by-step explanation:

You're given the center and a point on the circle. The point and the center both have an x-coordinate of -5, so there is no horizontal distance between them. The distance is only in the vertical direction. The distance from 8 to -4 is 12. Since this is the distance from the center to a point on the circle, this equals the radius.

3 0
3 years ago
What is 1/144 as an expression using a negative exponent
MrRissso [65]

ANSWER

{12}^{ - 2}

EXPLANATION

The given expression is

\frac{1}{144}

This is the same as:

\frac{1}{12 \times 12}

In index notation, we write this as

\frac{1}{ {12}^{2} }

To write this as a negative index, we use the property:

\frac{1}{ {a}^{m} }  =  {a}^{- m}

This implies that;

\frac{1}{ {12}^{2} }  =  {12}^{ - 2}

3 0
2 years ago
It takes 1 banana and 3 scoops of ice cream to make a banana split. If an ice cream shop scooped 42 scoops of ice cream into ban
Degger [83]
The answer is 14. I divided 42 by 3 and then times that answer by 1.
8 0
3 years ago
Read 3 more answers
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