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san4es73 [151]
3 years ago
11

Please someone help me on 7 and 8!!

Mathematics
2 answers:
stich3 [128]3 years ago
8 0
7) 67-35=32
8)35x3=105
zalisa [80]3 years ago
4 0
67-35=32
35*3=105
  Hope this helps!!!
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The temperature in Newcastle in winter on a specific day 8°c. By midnight the temperature had dropped to by 12°c . Determine the
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Answer:

-4 degrees c

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, 8-12=-4

So the answer is -4 degrees c

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3 years ago
What is 6 1/3 divided by 1/6 equal to?<br> Will give brainliest
Aliun [14]

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38

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Solve the following system of equations using Substitution: Submit your answer as an ordered pair. 2x−3y=32x-3y=32x−3y=3 x=y+2x=
exis [7]

9514 1404 393

Answer:

  (3, 1)

Step-by-step explanation:

We assume you want the solution to the system ...

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  • x=y+2

The second equation gives a nice expression for x, so we can use that in the first equation.

  2(y+2) -3y = 3 . . . . substitute for x in the first equation

  2y +4 -3y = 3 . . . . . eliminate parentheses

  -y = -1 . . . . . . . . . . . collect terms, subtract 4

  y = 1 . . . . . . . . . . . . multiply by -1

  x = 1 +2 = 3 . . . . . . substitute for y in the second equation

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4 0
3 years ago
What is the sum of 15 and the opposite of 13?
NemiM [27]

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2

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3 years ago
Two angles are supplementary. The measure of one angle is 4 times the measure of the other angle. What is the measure of the sma
Alexus [3.1K]
ANSWER

The smaller angle is

y = 36 \degree



.EXPLANATION

Let the angles be
x \:  and \:  \: y

where y is the smaller angle.
Since they are supplementary, they will add up to 180°.


This implies that,

x + y = 180 \degree...(1)


If one angle is 4 times the other, we can then write the following equation,

x = 4y...(2)


We put equation (2) into equation (1) to get,



4y + y = 180 \degree


5y = 180 \degree


We divide through by 5 to obtain,

y = 36 \degree


This implies that,

x = 4(36)


x = 144 \degree
3 0
3 years ago
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