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Archy [21]
4 years ago
7

Please help me on these two questions

Mathematics
2 answers:
iragen [17]4 years ago
6 0

Answer:

Question 8.)  Choice d.)  4 + x + 6x  = 4 + 7x

Question 9.) Choice b.)  18 - 15 + 4n + 5n  simplifies to  9n + 3

Step-by-step explanation:

For the first question, like terms are terms that have the same variables, and not necessarily the same coefficient numbers.

first problem,    x + y + xy  all have unique terms.  x  is different from y and is different from xy

so it cannot be A.

Choice d. has like terms  x and 6x  so  4 + x + 6x can simplify to 4 + 7x

Choice b.)  18 - 15 + 4n + 5n  simplifies to  9n + 3

irina [24]4 years ago
3 0

Answer:A for the first one and C for the second one

Step-by-step explanation:

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Double the quotient of 3 and 6​
Hitman42 [59]

\huge{\boxed{1}}

This statement can be represented as 2*\frac{3}{6}, since the quotient is the answer to a division problem.

Divide. 2*\frac{1}{2}

Multiply. 2*\frac{1}{2}=\frac{2}{1}*\frac{1}{2}=\frac{2*1}{1*2}=\frac{2}{2}

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3 years ago
In ABC the measure of angle a is 2X +3 the measure of angle B is 4X +2 and the measure of angle C is 2X-1 what are the measures
Novay_Z [31]
Angle A is 2x + 3
Angle B is 4x + 2
Angle C is 2x - 1

The three angles add up to 180
So:
2x + 3 + 4x + 2 + 2x - 1 = 180
Combine terms
8x +  4 = 180
Subtract 4
8x = 176
x = 22

Now we solve for the angles:
Angle A is 2(22) + 3 = 44 + 3 = 47
Angle B is 4(22) + 2 = 88 + 2 = 90
Angle C is 2(22) - 1 = 44 - 1 = 43

Quick check: 47 + 90 + 43 = 180
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3 years ago
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Help on $3.70÷2=no clue
Daniel [21]
3.7/2 = 1.85
2 goes into 3 1 time.
you have a remainder of 1
That one gets a 7 after it
now you have 17
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remainder of 1
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3 years ago
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