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Flura [38]
4 years ago
6

HELP I HAVE ONLINE CLASS QUESTIONS DUE TODAY

Mathematics
1 answer:
amm18124 years ago
8 0

Note: I didn't solve all of them, but hopefully this still helps.

4.

   h*b = b*h because of the commutative property. for example if h= 3 and b = 5, 5*3 = 15 = 3*5

2.

   a) 2x + 20

   b) 5x + 5

   c) 10x + 20

   d) 72 + 36y

   e) 64 + 72

   f) 35y + 30

5.

   a) 10x + 10y + 10

   b) 12x + 20y + 4

   c) 56x + 24y + 16

Goodluck with your schoolwork/homework!

---------------------------------------------------------------

Apologies in advance for any errors or bad explanations.

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Which of the following expressions are equivalent to -1/2?
sveticcg [70]

Answer:

the ans is to the question is:

a. 1/-2

8 0
3 years ago
The price of blueberries varies directly with the weight of the blueberries purchased. Two pounds of blueberries cost $4.
Pavel [41]

Answer:

$18

Step-by-step explanation:

Figure out what 1 pound costs, which is $2, then multiply by 9.

3 0
3 years ago
Automatic banking machine (ABM) customers can perform a number of transactions quickly and efficiently. A banking consultant has
garri49 [273]

Answer:

77.34% of ABM customers take more than 31 seconds to do their banking.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 34, \sigma = 4

What percentage of ABM customers take more than 31 seconds to do their banking?

This is 1 subtracted by the pvalue of Z when X = 31.

So

Z = \frac{X - \mu}{\sigma}

Z = \frac{31 - 34}{4}

Z = -0.75

Z = -0.75 has a pvalue of 0.2266.

So 1-0.2266 = 0.7734 = 77.34% of ABM customers take more than 31 seconds to do their banking.

7 0
4 years ago
Translate to an algebraic equation<br> 5 less than one-half x is fifteen.
CaHeK987 [17]
I think this the answer:
5<1/2x=15
6 0
4 years ago
Fill in the empty boxes on the number line.
Savatey [412]
175,026, 175,027, 175,028, 175,029, 175,030, 175,031 Is the answer. Brainliest answer Please
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3 years ago
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