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Rina8888 [55]
3 years ago
5

PLEASE HELP ME QUICKLY

Mathematics
2 answers:
mr Goodwill [35]3 years ago
8 0

Answer:

It would be 6.8

zhuklara [117]3 years ago
4 0
I believe that the answer would be 6.8
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I don’t know the answer I need help
Elenna [48]

Answer:

-11b^2+8b-4

Step-by-step explanation:

We can substitute in our expressions for P and Q to get

P=-4b^2+6b-9\\Q=7b^2-2b-5\\\\(-4b^2+6b-9)-(7b^2-2b-5)

Next, we need to distribute the negative to the values within the parenthesis. Then we can combine like terms in order to get our answer

(-4b^2+6b-9)-(7b^2-2b-5)\\\\-4b^2+6b-9-7b^2+2b+5\\\\-11b^2+8b-4

3 0
3 years ago
Read 2 more answers
enrique earned $101.40 in interest over 6 years in a savings account that pays 1.3 % simple interest per year. how much did Enri
victus00 [196]
Simple interest, I = 101.40
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interest, i = 1.3%

Interest, I=Pit, rearrange
Principal, P=I/(it)=101.40/(6*0.013)=1300
7 0
4 years ago
Solve for j.<br> j/-2+7=-12<br> j=
tangare [24]
J/-2 + 7 = -12 multiply both sides with 2

-j + 14 = -24 move -14 to the other side and change sign

-j= -24 - 14
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j=38




4 0
3 years ago
By visual inspections, determine the best fitting regression model for the scatterplot
Marrrta [24]
For this case, we observe that the dispersion diagram has a behavior similar to a straight line.
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option C
4 0
3 years ago
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frosja888 [35]
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1.5*30=45

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so she will read 33 pages
4 0
3 years ago
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