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Luden [163]
2 years ago
12

At 5:00pm the temperature read 10° above zero. At midnight it read 4 ° below zero. Find the change

Mathematics
1 answer:
larisa86 [58]2 years ago
6 0
The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.
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How can u solve this by system of equations by elimination 4x-5y=6;2x+5y=-28
gayaneshka [121]

Answer:

x=17/3, y=10/3. (17/3, 10/3).

Step-by-step explanation:

4x-5y=6

2x+5y=-28

-----------------

4x-5y=6

-2(2x+5y)=-2(-28)

--------------------------

4x-5y=6

-4x-10y=56

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-15y=-50

15y=50

y=50/15

y=10/3

4x-5(10/3)=6

4x-50/3=6

4x=6+50/3

4x=18/3+50/3

4x=68/3

x=(68/3)/4

x=(68/3)(1/4)=68/12=17/3

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Anna007 [38]
The answer is 4 2/3 :)
3 0
3 years ago
Kara used 1/4 cup of butter to make 2/3 of a batch of cookies.
Advocard [28]

Answer:

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Step-by-step explanation:

1/4 / 2 = 1/8

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7 0
3 years ago
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LuckyWell [14K]

Answer:

3 4/5 or 3.8

Step-by-step explanation:

median you just start marking them off.

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The answer should be 110 degrees.

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