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3 years ago

How to figure out average

2 answers:

7 0

To figure out the average u have to add all the numbers used and then divide the sum by the amount of numbers u added.
for example: trying to find the average of 2 6 8 10 4 3 2
2+6+8+10+4+3+2=35
there are 7 numbers
35 divided by 7=5

lesya692 [45]3 years ago

5 0

You add all of the numbers up then divide them by the number of values you added

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Find the total cost of a $43 dinner if you leave 18% gratuity (tip).

AleksandrR [38]

50.74
B/c 43*.18=7.74
7.74+43=50.74

hope this helps

8 0

3 years ago

The algebraic expression for "the quotient of 73 and x" is

lyudmila [28]

Answer

it could be 73/x

Step-by-step explanation:

3 0

3 years ago

2(2 – 2x) = –3x A. –4 B. 4 C. 6 D. 0

zlopas [31]

Answer:

$x = 4$

Step-by-step explanation:

Let's solve:

$2(2−2x)=−3x$

Step 1: Simplify both sides of the equation.

$2(2−2x)=−3x \\ (2)(2)+(2)(−2x)=−3x(Distribute) \\ 4+−4x=−3x \\ −4x+4=−3x$

Step 2: Add 3x to both sides.

$−4x+4+3x=−3x+3x \\ −x+4=0$

Step 3: Subtract 4 from both sides.

$−x+4−4=0−4 \\ −x=−4$

Step 4: Divide both sides by -1.

$\frac{ - x}{ - 1} = \frac{ - 4}{ - 1}$

Therefore, the answer will be x = 4.

5 0

3 years ago

The “pay upfront” car rental company charges an insurance and gas fee of $33 and daily rental fee of $8 per day. The “drive now

sergeinik [125]

Answer:

The x variable represents the number of days or the daily rental fee.

5 0

3 years ago

A spherical water tank holds 7,500 ft3 of water. What is the diameter of the tank?

Alisiya [41]

Answer: 2r=d

d=24.28590063

Step-by-step explanation:

vsphere=4/3pir^3

7500=4/3pir^3

times both sides by 3

22500=4pir^3

divide both sides by 4

5625=pir^3

divide bot sides by pi

1790.4931=r^3

cube root both sides

12.142950=r

2r=d

d=24.28590063 ft

4 0

2 years ago