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quester [9]
2 years ago
13

Determine the m m m m m

Mathematics
1 answer:
iVinArrow [24]2 years ago
5 0

Answer:

A,D,E,G=83 B,C,F=97

Step-by-step explanation:

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A container contains water at temperature 80 degree celcius. After every 10 minutes, the change in temperature is - 4 degree cel
lilavasa [31]
For this case, the first thing we must do is define variables.
 We have then:
 x: number of minutes
 y: final temperature
 We write then the equation that models the problem:
 y = (-4/10) x + 80

 For y = 20 we have:
 20 = (-4/10) x + 80

 Clearing x:
 (4/10) x = 80 - 20

x = (10/4) * 60

x = 150
 Answer:
 
The temperature of the water will be 20 degree celcius after 150 minutes
4 0
3 years ago
HELP ASAP WILL GIVE BRAINLIEST!!!!!!!!!!!!! AND 50 POINTS
Alex_Xolod [135]
Your answer is c, hope this helps, ask me any questions if needed+
6 0
3 years ago
Read 2 more answers
Charlie reads quickly . He reads 1and3/7 pages every 2/3 minutes.How many pages does he read pre minute?
SVETLANKA909090 [29]
Hello there!

First, we need to admit that math is a hard subject. So, how do we handle hard stuff? We find an easy way. Right?

Well same goes here. They give the fractions to drive us crazy. Let's find the easiest way...

The easiest way is to turn them into decimals.
1 3/7 = 1.42 which is the amount of pages he reads
2/3 = 0.67 minute.

The are asking us how many pages does he reads per minute.

So we gonna say:
Charlie reads 1.42 pages ......> 0.67
Charlie reads x pages.............> 1minute

Cross multiply

0.67 * x = 1 * 1.42
0.67x = 1.42
x = 1.42/0.67
x = 2.11

So, Charlie reads 2.11 pages in 1 minute.


I hope this helps. Please let me know if you have questions about the answer.

Thanks!


5 0
3 years ago
3r+2/4=2 solve for r​
sladkih [1.3K]

Answer: r=1/2

Step-by-step explanation:        

5 0
2 years ago
Simplify the expression. -5/8(-3/8-1/4) ​
prisoha [69]

Answer:

25/64

Step-by-step explanation:

To get this answer, first you need to use the distributive property:

(-3/8)(-5/8) - (1/4)(-5/8)

Next, multiply:

15/64 - (-5/32)

Change the negative signs into a positive sign:

15/64 + 5/32

Multiply 5/32 by 2 on both top and bottom:

15/64 + (5)(2)/(32)(2)

You will then get:

15/64 + 10/64

Now, add the numerators. You will get:

25/64

This is your answer. I hope it helped!

5 0
3 years ago
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