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Murljashka [212]
3 years ago
9

1.

Mathematics
1 answer:
LenKa [72]3 years ago
4 0
The answer would be C because they say if 3 new students arrived each year.
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May someone please help?
Ronch [10]
(-7,3) here is the answer, easy one
8 0
3 years ago
Read 2 more answers
Here is a diagram and its corresponding equation. Find the solution to the equation and explain your reasoning. (Please help ASA
jeka94
Use order of operations for this

4x+17=23

Move the 17 to the 23

4x=23-17

Then move the 4 over leaving the x by itself


X=6/4

X=1.5
3 0
3 years ago
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Need help ASAP! Which is the simplified form of the expression StartFraction (6 Superscript negative 4 Baseline) Superscript neg
Gelneren [198K]

Answer: D. 6^{30}

Step-by-step explanation:

Using exponent rules an exponent to the power of a number will multiply by each other.

So the -4 and -9 will multiply.

The 6 in the numerator will now have a positive exponent of 36.

\frac{6^{36}}{6^6}

Now we can divide and when we do so the exponents will subtract from each other.

So 36 - 6 = 30

And the base of 6 does not change.

The simplified form is 6^{30}

5 0
3 years ago
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Express 5% as a decimal
IRINA_888 [86]

Answer:

.05

Step-by-step explanation:

you divide 5 by 100 which makes it .05

6 0
3 years ago
What is the probability that a randomly selected male will have a foot length between 8 and 12.5 inches? P(8 < r < 12.5)=
melisa1 [442]

Answer:

0.8185 or 81.85%

Step-by-step explanation:

The mean length (μ) of an adult foot is 11 and the standard deviation (σ) is 1.5.

The z score is a measure in statistic used to determine the amount of standard deviation by which the raw score (x) is above or below the mean. If the raw score is above the mean, the z score is positive  and if the raw score is below the mean the z sore is negative. It is given by:

z=\frac{x-\mu}{\sigma}

To calculate the probability that a randomly selected male will have a foot length between 8 and 12.5 inches, we first calculate the z score for 8 inches and then for 12.5 inches.

For 8 inches:

z=\frac{x-\mu}{\sigma}=\frac{8-11}{1.5}=-2

For 12.5 inches:

z=\frac{x-\mu}{\sigma}=\frac{12.5-11}{1.5}=1

From the normal distribution table, The probability that a randomly selected male will have a foot length between 8 and 12.5 inches = P(8 < x < 12.5) = P(-2 < z < 1) = P(z < 1)  - P(z < -2) = 0.8413 - 0.0228 = 0.8185 = 81.85%

4 0
3 years ago
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