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3 years ago

If a zero is , then the graph of its function only touches the x–axis at that zero.

Mathematics

1 answer:

Inga [223]3 years ago

7 0

Answer:

Step-by-step explanation:

Yes. The zeroes of a graph are the values of x where the graph touches (or crosses) the x-axis.

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Last week, Sarah had exams in Math, Spanish, and English. On the Math exam, the mean was µ = 30 with s = 5, and Sarah had a scor

serious [3.7K]

Answer:

Sara expect the better grade for Math class.

Step-by-step explanation:

Consider the provided information.

On the Math exam, the mean was µ = 30 with s = 5, and Sarah had a score of X = 45.

Z score for Math: $Z=\frac{x-\mu}{s}$

$Z=\frac{45-30}{5}$

$Z=\frac{15}{5}$

$Z=3$

On the Spanish exam, the mean was µ = 60 with s = 8 and Sarah had a score of X = 68.

Z score for Spanish: $Z=\frac{x-\mu}{s}$

$Z=\frac{68-60}{8}$

$Z=\frac{8}{8}$

$Z=1$

On the English exam, the mean was µ = 70 with s = 8 and Sarah had a score of X = 70.

Z score for English: $Z=\frac{x-\mu}{s}$

$Z=\frac{70-70}{8}$

$Z=0$

We can observe that Z score of Math is greater than Spanish and English.

Which means that Sarah did the best in her Math exam.

Hence, Sara expect the better grade for Math class.

8 0

3 years ago

The box plot below represents some data set. What is the interquartile range (IQR) of

vesna_86 [32]

Answer:

I think the IQR is 100

Step-by-step explanation:

You would have to find the first and third quartiles first. After that you would subtract the third quartile by the first to get the IQR

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2 years ago

WORTH 50 POINTS | Which is equivalent to 8/12 = x/9

kaheart [24]

$\\ \sf\longmapsto \dfrac{8}{12}=\dfrac{x}{9}$

$\\ \sf\longmapsto 12x=8(9)$

$\\ \sf\longmapsto 12x=72$

$\\ \sf\longmapsto x=\dfrac{72}{12}$

$\\ \sf\longmapsto x=6$

8 0

3 years ago

Jina borrowed $200 from a lender that charged simple interest at an annual rate of 3% When jina paid off the loan, she paid $30

alisha [4.7K]

Answer:

ioaamwosoajwoqjwjaowoiqjqioaiwjqq

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2 years ago

Please help me it’s due tomorrow

melomori [17]

Answer: There are 48 total plants.

Step-by-step explanation:

x = y/p%

37.5/100 = 0.375

18/0.375 = 48

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3 years ago