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stich3 [128]
2 years ago
13

Ray cuts out a figure that has 4 equal sides and no right angles. What is the best name for the figure ?

Mathematics
1 answer:
Karolina [17]2 years ago
7 0
C. Rhombus

Because it has 8 sides
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Suppose you start at the origin, move along the x-axis a distance of 6 units in the positive direction, and then move downward a
Harman [31]

Answer:

Coordinates are (x,y,z)= ( 6,0,-3)

Step-by-step explanation:

Because

X = +6units

Y= 0at origin

= -3 units negative because its downwards on the number line

8 0
3 years ago
Suppose ARB Bank is reviewing its service charges and interest payment policies on current accounts. Suppose further that ARB ha
Advocard [28]

Answer:

5.94% of customers carries a balance of GH¢100 or lower.

82.64% of customers carries a balance of GH¢500 or lower.

0% of current account customers carries average daily balances exactly equal to GH¢500.

76.7% of customers maintains account balance between GH¢100 and GH¢500

Step-by-step explanation:

When the distribution is normal, we use 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 question, we have that:

\mu = 350, \sigma = 160

What percentage of customers carries a balance of GH¢100 or lower?

This is the pvalue of Z when X = 100. So

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

Z = \frac{100 - 350}{160}

Z = -1.56

Z = -1.56 has a pvalue of 0.0594

5.94% of customers carries a balance of GH¢100 or lower.

What percentage of customers carries a balance of GH¢500 or lower?

This is the pvalue of Z when X = 500.

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

Z = \frac{500 - 350}{160}

Z = 0.94

Z = 0.94 has a pvalue of 0.8264

82.64% of customers carries a balance of GH¢500 or lower.

What percentage of current account customers carries average daily balances exactly equal to GH¢500?

In the normal distribution, the probability of finding a value exactly equal to X is 0. So

0% of current account customers carries average daily balances exactly equal to GH¢500.

What percentage of customers maintains account balance between GH¢100 and GH¢500?

This is the pvalue of Z when X = 500 subtracted by the pvalue of Z when X = 100.

From b), when X = 500, Z = 0.94 has a pvalue of 0.8264

From a), when X = 100, Z = -1.56 has a pvalue of 0.0594

0.8264 - 0.0594 = 0.767

76.7% of customers maintains account balance between GH¢100 and GH¢500

5 0
3 years ago
Find the slope of the line through (3, 7) and (–1, 4)
Katena32 [7]

Answer:

\frac{3}{4}

Step-by-step explanation:

Slope = change in y ÷ change in x

The line passes through (3,7) and (-1,4)

Slope = \frac{7 - 4}{3 - -1} = \frac{3}{4}

6 0
3 years ago
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Shirl is planting a 4-foot flower border around the edge of her yard. She drew this diagram to show how it should look.
Lostsunrise [7]
<span> Two rectangles, one lying completely within the other. The area between the rectangles is shaded. Two adjacent sides of the larger rectangle are labeled sixty feet and forty feet. The shaded area is labeled four foot border.

Area of larger rectangle = 60 ft * 40 ft = 2400 ft</span>²
Area of smaller rectangle = (60-4)ft * (40-4)ft = 56 ft * 36 ft = 2,016 ft²

Area of the border = 2,400 ft² - 2,016 ft² = 384 ft²
7 0
3 years ago
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An expression to convert 50 miles per hour to miles per minute is shown.
Nataliya [291]
Use the fact that 1 hour = 60 minutes, from which you can create your conversion factor: 1 = hour / 60 minutes. That permit you to multiply the number of miles per hour times [1 hour/60minutes] to convert 50 miles per hours to miles per minute. This is the calculation: 50 miles/hour * [1hour/60minures] = 0.833 miles / minute
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3 years ago
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