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andrew-mc [135]
3 years ago
11

Mary, who is 4 feet tall, casts a shadow 2 feet long. At the same time, a pole casts a shadow 3 feet long. How tall is the pole?

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
6 0
Ok So here is the solution.

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Answer:

h(x) = 20x - 15 \\ h(5) = 20 \times 5 - 15 \\  = 100 - 15 \\  = 85 \\ hank \: you

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Consider a group of 1,000 newborn infants. One hundred (100) infants were born with serious birth defects, and 20 of these 100 d
kozerog [31]

Answer:

The prevalence of serious defects in this population at the time of birth is 10%.

Step-by-step explanation:

The prevalence of serious defects is the number of infants that were born with seriours birth defects divided by the total number of infants born.

In this problem, we have that:

There were 1000 newborn infants.

100 infants were born with serious birth defects.

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This is:

P = \frac{10}{100} = 0.1

The prevalence of serious defects in this population at the time of birth is 10%.

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In parallelogram ABCD, the measure of angle A = 3x and the measure of angle B = x + 10.
densk [106]

Answer: 42.5

Step-by-step explanation:

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Calculate the diameter of a circle if it's circumference is 25.1
Dmitrij [34]
The answer would be 7.99.
5 0
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Why are linear functions sometimes symmetric about the y-axis but never symmetric about the x-axis
lina2011 [118]
Test for symmetry about the x-axis: Replace y with (-y). Simplfy the equation. If the resulting equation is equivalent to the original equation then the graph is symmetrical about the x-axis. Example: Use the test for symmetry about the x-axis to determine if the graph of y - 5x2 = 4 is symmetric about the x-axis.
Test for symmetry about the y-axis: Replace x with (-x). Simplfy the equation. If the resulting equation is equivalent to the original equation then the graph is symmetrical about the y-axis. Example: Use the test for symmetry about the y-axis to determine if the graph of y - 5x2 = 4 is symmetric about the y-axis.
I didn't fully understand the question but this is the best I can do! Hope this helps! :D
7 0
3 years ago
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