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

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

8 0

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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

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

=58/35miles

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=6/7-4/5

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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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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:

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