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Lubov Fominskaja [6]
3 years ago
15

X^2+ 3 has a value of 28. What term in the sequence has a value of 28?

Mathematics
2 answers:
VikaD [51]3 years ago
5 0

Answer:

5th term

Step-by-step explanation:

x^2 +3 = 28

Subtract 3 from each side

x^2+3-3 =28-3

x^2 = 25

Take the square root of each side

sqrt(x^2) = sqrt(25)

x = 5

(x could be -5, but there are not usually negative terms in a sequence)

Dvinal [7]3 years ago
5 0

Answer:

The value of X1 is -5, X2 is +5.

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Rachel is collecting donations for the local animal shelter. So far she has collected , which is of what she hopes to collect. H
Rudiy27

Answer:

The money Rachael plan to collect for the shelter is <u>$345</u>.

Step-by-step explanation:

<u><em>There are some data missing in the question, so below is the complete question:</em></u>

Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to collect. How much money does Rachel plan to collect for the shelter?

Now, to find the money Rachael plan to collect for the shelter.

Let the total money Rachael plan to collect be x.

The amount far she has collected = $245.

Percentage of amount she hopes to collect = 70%.

Now, to get the total money Rachael plan to collect:

70\%\ of\ x=245

\frac{70}{100} \times x=245

0.70x=245

<em>Dividing both sides by 0.70 we get:</em>

x=\$345.

Therefore, the money Rachael plan to collect for the shelter is $345.

8 0
3 years ago
A) x²y-2xy+y=? <br>b) ax²+4ax+4a=? <br>c) 20x-60x²+45x³=?​
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Answer:

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Answer:

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Step-by-step explanation:

Let x be the number of movies rented

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x=7

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3 years ago
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