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algol [13]
3 years ago
7

PLEASE HELP (also I have sum more questions I need halp with ;-;)

Mathematics
2 answers:
sp2606 [1]3 years ago
8 0
The answer would be ~12v+30~

Hope this helps

Have a great day/night
yulyashka [42]3 years ago
4 0

Answer:

12u+30 is the answer ^^

because 5×4 is 20 20-8 is 12 and 5×6 is 30

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Emily;s family drove 254.6 miles. Their car used 19 gallons of gasoline. Describe the car's gas mileage.
Contact [7]

You take your miles driven divided by the gallons of gas used.

So,

254.6 miles/19 gallons = 13.4

The gas mileage of the car is 13.4

Hope this helps :D

3 0
4 years ago
Alinn flipped a coin 20 times. The coin landed heads up 12 times and tails up 8 times.
Ainat [17]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ (12/20) = 0.6

(8/20) = 0.4

The experimental probability of the coin landing heads up is 0.6.

B) The theoretical would be considering it a fair coin.

1/2 = 0.5

The theoretical probability would be 0.5

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➶ Hope This Helps You!

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5 0
4 years ago
The process of grouping and assigning values to various responses from the survey instrument is called
adoni [48]

The term used to describe the process of assigning values to responses in a research instrument and grouping them is called: coding.

<h3>What is Coding in Research Analysis?</h3>

In data analysis, before raw data can be processed, the researcher groups and assigns values to each response in the research instrument for easy collation and analysis.

This is referred to as coding, in research analysis.

Learn more about coding on:

brainly.com/question/1376295

6 0
2 years ago
Devaughn is 15 years younger than sydney. the sun of their ages is 63. what is sydney’s age?
klasskru [66]

Answer:

39

Step-by-step explanation:

d = s - 15

d + s = 63

Replace d with s - 15

s - 15 + s = 63

2s -15 = 63

2s = 78

s = 39

5 0
2 years ago
3. Simplify the following expression<br> 2a(a+3)-4a4a-7)
LiRa [457]

Answer:

-14a^2+6a-7

Step-by-step explanation:

8 0
4 years ago
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