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Ilia_Sergeevich [38]
4 years ago
10

The temperature falls from 7°C to -8°C. What is the difference in these temperatures?​

Mathematics
1 answer:
liraira [26]4 years ago
3 0

Answer:

It should be 15 c

Step-by-step explanation:

Basically you would move down the number line until you get to -8c and count how much you moved.

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7/8 of a liter of milk is poured into glasses that can each hold 1/16 of a liter. How many glasses can be filled?
Otrada [13]

Divide total milk by amount per glass.

When dividing by a fraction flip the fraction over and multiply:

7/8 x 16/1 = (7 x16) / ( 8 x1) = 112/8 = 14

Answer: 14 glasses

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2 years ago
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Jackie can type 230 words in 4 minutes. Howard can type 296 words in 5 minu
inna [77]

Answer:

A

B

D

Step-by-step explanation:

A 230 divided by 4 is 57.5 which makes A a true statement.

B 296 divided by 5 is 59.2 which makes B a true statement .

D 296 - 230 =66

66 - 57.5 = 8.5

Which makes D a true statement by a margin of 8.5 words.

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3 years ago
Joy is preparing 15 liters of a 20% saline solution. She only has 30% and 10% solution in her lab. How many liters of the 30% an
Svet_ta [14]
If you mix 1 liter of the 10% solution with 1 liter of the 30% solution, you will have 2 liters of 20% solution. Keeping that in mind, you must mix half of the number of liters with 10%, and the other half with 30% in order to get 20%. So knowing all those things, we can do the problem. She needs 15 liters of 20%, so you need to mix 7.5 liters of 10% with 7.5 liters of 30%. After mixing those, you'll have 15 liters of 20% solution. I hope this helps. Please put as brainliest.
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4 years ago
What is 4y+3x-10y+7x
Rus_ich [418]
10x-6y
You have to add the like terms.
3 0
4 years ago
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Which of the following ordered pairs are solutions to the system of equations below? y = 2x + 1 and y = 4x – 3 (1,4) (4,5) (2,5)
attashe74 [19]

Step-by-step explanation:

Hey there!

Given eqautions are:

y = 2x + 1......... (i)

y = 4x - 3...........(ii)

<em>Putting eqaution (ii) in eqaution (i), we get;</em>

4x - 3 = 2x + 1

<em>~ Keep like terms on same side.</em>

4x - 2x = 1+3

<em>~ Perform operations. ( +, -, *, /)</em>

2x = 4

x= 4/2

Therefore, X= 2.

<em>Putting the value of X in eqaution (i)</em>

y = 2x+1

y = 2*2+1

Therefore, y= 5.

Therefore, the ordered pair is (2,5).

<em><u>Hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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3 years ago
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