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JulsSmile [24]
3 years ago
11

Determine whether n^2+20n+100 is a perfect square trinomial. Yes No

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
7 0
N²+20n+100 = (n+10)(n+10)
Yes is it a perfect square trinomial
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At 2:00pm a car's speedometer reads 20mph, and at 2:10pm it reads 30mph.
Dmitry [639]

Over this 10-minute interval, the car's average acceleration is

\dfrac{30\,\mathrm{mph}-20\,\mathrm{mph}}{10\,\mathrm{min}}=\dfrac{10\,\mathrm{mph}}{\frac16\,\mathrm h}=60\dfrac{\rm mi}{\mathrm h^2}

The MVT says that at some point during this 10-minute interval, the car must have had an acceleration of 60 mi/h^2.

6 0
4 years ago
Help please thank you <br> answer choices are: negatively skewed, symmetric, positively skewed
garri49 [273]

Answer:

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5 0
3 years ago
Jose and Maris work for different car dealerships. Jose earns a monthly salary of $3,500 plus a 6% commision on his sales, x. Ma
patriot [66]

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Step-by-step explanation:

4 0
3 years ago
HELP WHAT'S THE ANSWER PLEASE ASAP
sesenic [268]
C) *is* the answer:

(s^6)^(-3) = (1/s^6)^3 (both give 1/s^18 BTW)
6 0
4 years ago
A superintendent of schools wonders if scores on a test of science achievement differ for female and male 8th grade students. To
lina2011 [118]

Answer:

b. 2-independent sample t-test

Correct for this case is the best test since the result from each group are independent and we can compare the sample means between th two groups

Step-by-step explanation:

For this case the intention is try to test if scores on a test of science achievement differ for female and male 8th grade students. let's analyze the possible options for this case:

a. 2-dependent sample t-test

False is not possible since the nature of the gender is not possible to conclude tha the results from boys and girls are dependent

b. 2-independent sample t-test

Correct for this case is the best test since the result from each group are independent and we can compare the sample means between the two groups

c. Correlation

False we can't compare the means of interest with a correlation coefficient since that's not the purpose of the study

d. 2-way ANOVA

False we have just one variable between two groups so is not possible to apply a 2 way ANOVA

5 0
3 years ago
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