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EleoNora [17]
3 years ago
10

What does 7x^2+12x-3 equal?

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
8 0

Answer:

23

Step-by-step explanation:

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PLEASE HELP! I will give you the brainiest and A LOT of points! (Ch.5.3)
JulsSmile [24]

Step-by-step explanation:

Total distance covered=distance covered by walking+distance covered by jogging

=6/7+4/5=30+28/35

=58/35miles

How much farther did you walk than jog

=6/7-4/5

=30-28/35

=2/35miles

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2 years ago
Which expression represents the relationship between the step number n and the total number of small squares in the pattern?
bixtya [17]
Need points sorry

Oofersss
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3 years ago
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A true-false test contains ten questions. How many different ways are there of completing this test?
mezya [45]

Answer:

In case of true false questions there are two ways to answer each questions and we have 10 questions . So as per the rule of permutation we have (2×2×2×2×2×2×2×2×2×2) or 2^10 or 1024 no. Of ways to answer 10 true false questions in the exam.

Step-by-step explanation:

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6 0
2 years ago
In​ 1990, the average income for an American worker was​ $1,518 per month. In​ 2000, the average income for an American worker w
mario62 [17]

Answer:

Decreased

Step-by-step explanation:

-The rate of growth in food prices can be calculated using the compound interest formula as:

A=P(1+i)^t\\\\1402=657(1+i)^{10}\\\\(1+i)=(\frac{1402}{657})^{0.1}\\\\1+i=1.07874\\\\i=0.07874

We use the calculated growth rate in food prices to find the potential future value of a 90's income:

A=P(1+i)^n\\\\=1518(1.07874)^{10}\\\\=3239.21

#Compare this calculated value to the stated value:

3239.21>2632

Hence, the real value of income has decreased since it's less than it's future value over the 10-year period.

7 0
3 years ago
2/3=n/12<br><br> solve the proportion
Natali [406]

Answer: n=8

<u>Cross-multiply</u>

<u></u>2/3=n/12<u></u>

<u></u>(2)*(12)=n*(3)<u></u>

<u></u>24=3n<u></u>

<u></u>

<u>Flip the equation</u>

<u></u>24=3n---->3n=24<u></u>

<u></u>

<u>Divide both sides by 3</u>

<u></u>3n/3=24/3<u></u>

<u></u>24/3=8----> n=8<u></u>

5 0
3 years ago
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