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Vitek1552 [10]
3 years ago
12

HELP ME PLEASEE I WILL MARK BRAINLIEST

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
7 0

Answer: $21.6

Step-by-step explanation: you multiply 1.20 by 18

suter [353]3 years ago
7 0

Answer:

The answer is $3.60.

Step-by-step explanation:

Since they just multiplied the minutes by 3, you could just do the same with the money.

Hopefully, that helped!! :)

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Question 36 of 40
Ipatiy [6.2K]

Answer:

A. a line segment

Step-by-step explanation:

  • a ray is directing in one dxn, and has no end point
  • a plane is a closed, so more than 2 points
  • a vertex is a single point itself
4 0
3 years ago
A sphere has a radius of 6 inches. What is the volume of the sphere in terms of π? V = π in.3
Harrizon [31]

Answer: 288pi in3

Step-by-step explanation:

Volume of a sphere= 4/3pir^3

R=6inches

V=4/3pir^3

V=4/3pi(6^3)

V=4/3pi(216)

V=864pi/3

V=288pi in^3

5 0
2 years ago
Read 2 more answers
A scientist is interested in the effect of time spent with parents and number of hours
gladu [14]

Answer: If X = 5, z=<u>-3</u>

If X = 37, z= <u>3.4</u>

Step-by-step explanation:

We know that the formula to find the z-score for any random variable x is given by :-

z=\dfrac{x-\mu}{\sigma}

, where \mu = Population mean

\sigma = Population standard deviation.

As per given , we have

\mu=20\\\\\sigma=5

Then , the z-score for x =5

z=\dfrac{5-20}{5}=\dfrac{-15}{5}=-3

i.e. If X = 5, z=<u>-3</u>

When x =37,then z=\dfrac{37-20}{5}=\dfrac{17}{5}=3.4

i.e. If X = 37, z= <u>3.4</u>

7 0
2 years ago
a line is perpendicular to y - 5 = -1/4(x + 8) and goes through the point (-1,2). What is the lines y-intercept?
lisabon 2012 [21]

Answer:

y = 4x + 6

Step-by-step explanation:

Turn the equation we are given into slope-intercept form.

y - 5 = -1/4(x + 8)

y - 5 = -1/4x - 2

y = -1/4x + 3

The slope of a perpendicular line is the opposite reciprocal of the original line.

-1/4 -> 4/1 -> 4

Find the new y-intercept using the point given.

y = 4x + b

2 = 4(-1) + b

2 = -4 + b

6 = b

Fill in everything we solved for.

y = 4x + 6

Best of Luck!

8 0
3 years ago
10&gt;29-3b Please help and explain your answer I will mark Brainlyest
Marta_Voda [28]
Step 1 , switch sides - 29-3b<10
step 2 , subtract 29 from both sides - -3b< -19
step 3 , multiply both sides by -1 - 3b > 19
step 4 (answer) - divide by 3 = 19/3
7 0
2 years ago
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