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Svetllana [295]
3 years ago
5

Which is the better by three toy cars for 7.50 or seven Toycars for 16.45

Mathematics
2 answers:
Len [333]3 years ago
5 0

Answer:If I’m correct I believe seven you cars for 16.45 would be better

Step-by-step explanation:

Since three cars cost 7.50 you would divide 7.50 to get the cost for each car which would give you 2.50 and since seven cars cost 16.45 you would divide 16.45 by 7 to get the cost of each car which would come out to 2.35 making it a better buy

melomori [17]3 years ago
3 0
Seven toy cars for 16.45
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3 years ago
How do you solve f(x) = x2 + x - 20?​
Darina [25.2K]

\huge \bf༆ Answer ༄

Let's solve ~

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: {x}^{2}  + x - 20

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \: {x}^{2}  + 5x - 4x - 20

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:x(x + 5) - 4(x + 5)

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:(x + 5)(x -  4)

It's factorized now ~ And if you want to find the zeros then equate the expression with 0.

And you will get ;

{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:x =  - 5 \:  \: and \:  \: 4

4 0
2 years ago
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Answer:

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Step-by-step explanation:

She wants the scarf to be at least 4.4 ft long

4.4< scarf

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She needs to crochet at least 1.9 more ft

3 0
3 years ago
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