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mihalych1998 [28]
3 years ago
14

I dont know the answer to this equation

lt="3c-9d+7c+5d" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
lakkis [162]3 years ago
4 0
10c-4d

You would combine like terms
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Which inequality is shown in the graph?
masha68 [24]

Answer:

D.

Step-by-step explanation:

the graph has a y intercept of -3

try substituting any point in one of the equations that fit the graph in this one that is D.

try(1,1)

1<1-3

1<-3

it is false so shade the outside of the graph

hope it helps

7 0
3 years ago
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Answer of a ²-10a+16-6b-b^2​
german

\quad a^2-10a+16-6b-b^2

$=(a^2-10a)-(b^2+6b) +16$

$=[(a^2-2(5)a+25)-25]-[(b^2+2(3)b+9)-9]+16$

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5 0
3 years ago
1) Miguel has a gift card to an electronics store. He has $ 150 on the card. He purchased a DVD for $ 20 and some games for $12.
GrogVix [38]

Answer:

9 games

Step-by-step explanation:

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This means he spent 12.5x for x number of games.

His total spending will be 12.5x + 20. He has $17.50 left on the card from $150.

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150 - 12.5x -20 = 17.5

130 - 12.5x = 17.5

-12.5x =  17.5 - 130

-12.5x = -112.5

x = 9

8 0
3 years ago
The sales tax in your city is 8.8%, and an item costs $63 before tax.
Maru [420]

Answer: 5.54

Step-by-step explanation:

amount of tax paid = item cost * tax rate

item cost = 63

tax rate - 8.8% = 0.088

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8 0
3 years ago
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Four times a difference of 17 and a number is 84.
hichkok12 [17]
4×17-x=84
68-x=84
-x=16
x=-16
5 0
3 years ago
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