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oksian1 [2.3K]
3 years ago
9

Simplify....................

Mathematics
1 answer:
seraphim [82]3 years ago
3 0

Use BEDMAS:

B - Brackets

E - Exponents

D - Division

M - Multiplication

A - Addition

S - Subtraction


\dfrac{5^2-10}{17-3\cdot4}-1=\dfrac{25-10}{17-12}-1=\dfrac{15}{5}-1=3-1=2

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What is the sum of 36(6 - 4) and 6(6 – 8)?
Dmitry_Shevchenko [17]

Answer:

Your answer would be 60

Step-by-step explanation:

=36(6 - 4) 6(6 – 8)

= 36(2) + 6 (-2)

= 72 + (-12)

= 72 - 12

= 60

hope it helps!

6 0
3 years ago
GE = 3x + 12 and GH = 72. Find the value of x.
Furkat [3]

Answer: x=20

Step-by-step explanation:

5 0
3 years ago
Annual returns on stock of the Mean Corporation are approximately normally distributed with a mean of 13.9% and standard deviati
maw [93]

Answer:

(a) z=-0.59

(b) Joe will invest in Mean Corporation. The probability of getting an annual return grater than 11% is 72.3%.

Step-by-step explanation:

We have a normal distribution for the annual return of the stock.

This distribution has mean of 13.9% and s.d. of 4.9%.

If X=11%, we can calculate its corresponding z-value as:

z=\frac{X-\mu}{\sigma}= \frac{0.11-0.139}{0.049}= -0.5918

The z-value is z=-0.5918.

The probabilty of P(X>11%)=P(y>-0.5918) is, by the standarized normal distribution table, equal to 0.723.

As its P(y>-0.5918)=P(X>11%)=0.723 bigger than the 70% threshold, Joe will invest in Mean Corporation.

3 0
3 years ago
A grocery store will only accept yellow onions that are at least 2.75 in. in diameter. A grower has a crop of onions with diamet
maksim [4K]
Imagine (or draw) a standard normal curve.  Draw a vertical line through the center of this curve, and mark it 3.25 inches.  This is the mean diameter.  Next, draw vertical lines to represent these sums:  3.25 plus .25, or 3.50 inches; 3.25 less .25, or 3.00 inches, and 3.25 less .50 inches, or 2.75 inches.

Note that 2.75 inches is 2 standard deviations below the mean:  That's 2.75 inches less twice 0.25 inches, or 2.75 = 3.25 inches less 2(0.25) inches.

onions with diameters less than 2.75 are rejected; onions with diameters greater than 2.75 inches are accepted.

Find the area to the LEFT of 2.75 inches.  In other words, find the area to the left of 2 standard deviations below the mean.

I would use the Empirical Rule here:  "68% of data is within 1 standard dev. of the mean; 95% is within 2 standard dev. of the mean.

This tells us that the area to the left of 2.75 inches or -2 standard deviations is 0.025 (half of 0.050).  Subtract this from 1.000; you'll get 0.975.  This means that 97.5% of the onions will prove to be acceptable, whereas 2.5% will be rejected because they are less than 2.75 inches in diameter.

You could also use a table of z-scores to do this:  Determine from the table the area under the std. normal curve to the left of -2 std. dev.  Again, this comes out to 0.025, meaning that the area to the right of -2 std. dev is 0.975.
8 0
3 years ago
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Find the 7th term in the sequence 9, 9+5, 9+25, 9+35,
balandron [24]
Your answer to this problem is 9+65 I believe
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3 years ago
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