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Tju [1.3M]
3 years ago
15

7.5x(D-2.5)for D=3.5

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
8 0

Answer:

7.5xd - 18.75x

Step-by-step explanation:

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   b x 3 = 8

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8. A music store sells used CDs for $9. They buy used CDs for $4. You have $50 to
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Step-by-step explanation:

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Sonia opened a savings account and then added the same amount to the savings account eyery week. After 5 weeks, her savings acco
Goryan [66]

Answer:

since Sonia saved 45$ in 5 weeks and 70$ in 10 weeks. we are to find the amount she saved up in x weeks.

let's make the amount y

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7 0
3 years ago
Find the slope of a line if the points (2,-1) and (5,3) are on the line
Romashka [77]

Answer:

\huge{ \boxed{ \sf{ \frac{4}{3} }}}

Step-by-step explanation:

\star{ \sf{ \: Let \: the \: points \: be \: A \: and \: B}}

\star{ \sf{ \: Let \: a(2,-1)  \: be \: (x1 \:, y1) \: and \: b (5,3)  \: be \: (x2 \:, y2)}}

\underline{ \sf{Finding \: the \: slope \: of \: the \: line}}

\boxed{ \sf{Slope =  \frac{y2 - y1}{x2 - x1} }}

\mapsto{ \sf{Slope =  \frac{3 - ( - 1)}{5 - 2} }}

\mapsto{ \sf{Slope =  \frac{3 + 1}{5 - 2}}}

\mapsto{ \sf{Slope =  \frac{4}{3} }}

Hope I helped!

Best regards! :D

~\text{TheAnimeGirl}

4 0
3 years ago
Word phrase to represent 5x+2
notsponge [240]
Five times the number x plus two
7 0
3 years ago
Read 2 more answers
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