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NemiM [27]
2 years ago
11

Can somebody help me on this

Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
8 0

Answer/Step-by-step explanation:

a. 3x + 13 = 12x - 2x

Add like terms

3x + 13 = 10x

3x = 10x - 13 (subtraction property of equality)

3x - 10x = - 13 (substraction property of equality)

-7x = -13

-7x = -13/-7 (division property of equality)

x = 13/7

b. 6j - 12 + 4j - 8 = 10

Add like terms

6j + 4j - 12 - 8 = 10

10j - 20 = 10

10j = 10 + 20 (addition property of equality)

10j = 30

10j/10 = 30/10 (division property of equality)

j = 3

c. 10y - 4y = 14 + 2y - 3y

Add like terms

6y = 14 - y

6y + y = 14 (addition property of equality)

7y = 14

7y/7 = 14/7

y = 2

d. 4p + 8 - 3p = 33

Add like terms

4p - 3p + 8 = 33

p + 8 = 33

p = 33 - 8 (subtraction property of equality)

p = 25

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Dylan read his book for 2 2/3 hours and Faith read her's for 1 1/5.How much longer did did Dylan read then Faith?
Damm [24]

Answer:

1 7/15

Step-by-step explanation:

2-1=1

then you make 2/3 and 1/5 have the same denominator -

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multiply 2 by 5 which is 10, so 10/15

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Vic and Paulo work on different levels in an underground coal mine. Vic's level is at an elevation of −70.51 meters relative to
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Answer:

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Step-by-step explanation:

-104.93 - (-70.51) = -104.93 + 70.51 = -34.42

4 0
3 years ago
4) Given the line with equation 2x + 5y= 10 :
Svetlanka [38]
A. <span>2x + 5y= 10
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</span>-> y= -2/5x+2

b. The slope is 2

c. For the y  intecpet, x is always 0

y= -2/5x+2
y= -2/5(0)+2
y=0+2
y=2

(0,2) is the y-interecpt

d. Please veiw below

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Fill in the square with<br> &lt;, &gt;, or = to make a<br> true statement<br> =<br> 12 or 4.3
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Answer:

12 > 4.3

Step-by-step explanation:

7 0
2 years ago
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