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Allushta [10]
2 years ago
7

GIVING OUT BRAINLIEST / 70 POINTS TO ANSWER

Mathematics
2 answers:
daser333 [38]2 years ago
8 0

Answer:

7a+b-9c+17d

Step-by-step explanation:

-5 ( a-2b+3c -4d) - (-3) (4a -3b+2c-d)

Distribute

-5a+10b-15c+20d+12a-9b+6c-3d

Combine like terms

7a+b-9c+17d

dalvyx [7]2 years ago
5 0

7a + b - 9c + 17d

step-by-step explanation

(- 5)( a - 2b +3c - 4d ) - (-3)( 4a - 3b+2c - d )

- 5( a - 2b + 3c - 4d ) - (-3)( 4a - 3b + 2c - d)

Using Distributive property

- 5a + 10b - 15c + 20d + 12 a - 9b + 6c - 3d

Arranging like terms together

- 5a + 12a + 10b - 9b -15c + 6c + 20d -3d

7a + b - 9c + 17d

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Simplify the expression: 5(–4 + 3g)
MaRussiya [10]

Answer:

-20 + 15g

Step-by-step explanation:

5 multiplied by -4 is -20

5 multiplied by 3g is 15 g.

because these two variables do not both have a g with them, this is the most they can be simplified. hope this helps!

4 0
3 years ago
Read 2 more answers
What is the domain of the graph ?
marysya [2.9K]
The domain of the graph is all real numbers because the value doesn’t have an end point.
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3 years ago
What is the value of x?
Papessa [141]
The value of x is 2 because we can compare like terms
5 0
3 years ago
Damien has 30 coins, all nickels and dimes. The total value of all these coins is $2.05. How many nickels does he have?
Damm [24]

Hi there!

nickels:19

We know that there is only nickels and dimes in his coin collection..

<u><em>1.Multiply two terms:</em></u>

<u><em /></u>10<u><em>·</em></u>10=1.00<u><em /></u>

<u><em>Then there would be 20 nickels but 1+1=2 not 2.05.</em></u>

<u><em>2.Multiply the terms:</em></u>

<u><em /></u>11<u><em>·</em></u>10=1.10<u><em /></u>

<u><em /></u>19<u><em>·</em></u>5=0.95<u><em /></u>

<u><em>3.Combine the two terms:</em></u>

<u><em /></u>1.10+0.95=2.05<u><em /></u>

Therefore, there would be 19 nickels...

<u><em /></u>

4 0
3 years ago
Please help double points!!
just olya [345]

Answer: you need to show what are the options

Step-by-step explanation:

5 0
2 years ago
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