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Radda [10]
3 years ago
13

If h(x)=x-7 and g(x)=x², which expression is equivalent to (g of h)(5)

Mathematics
1 answer:
Oksana_A [137]3 years ago
4 0

Answer:

4

Step-by-step explanation:

h(5)=5-7

h(5)=-2

g(-2)=(-2)^2

g(-2)=4

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This is the power to which A number is raised or the number of times it is multiplied by itself
Anton [14]

Answer:

exponent

Step-by-step explanation:

7 0
3 years ago
Suppose that IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 14. Using the empirical ru
Brut [27]

Answer:

99.7%

Step-by-step explanation:

Bell shaped curve by empirical rule is that if the standard deviation from the mean (left to right) is 1 deviation then about 68% of the data is in that range if it’s 2 standard deviations away then it’s 95% and 3 deviations away is 99.7%

142-100=42=3(14)

100-58=42=3(14)

Therefore the data is three standard deviations from the mean and this there is 99.7% of the data in this range.

3 0
3 years ago
Fraction 4/7 I want Decimal and Percent
alexgriva [62]

Answer:

The decimal of 4/7, when rounded to the hundredths, is 0.57. The percentage of 4/7, when rounded to the nearest hundredths, is 57.14%

Step-by-step explanation:

To get the decimal, you have to divide 4 by and you'll get your answer.

For the percentage, when rounded to the hundredths, you place the decimal two spots to the right (.57 turns into 57.14).

8 0
3 years ago
Read 2 more answers
What is 2.8×4.6 find the missing partial products
cupoosta [38]
To find each box, you have to multiply the number above the box and the number to the left of the box.

For the bottom left, we have 4 x 0.8 or 3.2.

For the bottom right, we have 0.8 x 0.6 or 0.48.
7 0
3 years ago
Suppose 12% of the students chose to study French their freshman year, and that meant that there were 21 such students. How many
AleksAgata [21]

Answer:

154 students

Step-by-step explanation:

First get the total number of students .

This can be gotten by

12% of A = 21

Where A represents the total number of students.

12% represents the % of A that chose to study French and 21 is the number of students that studied French .

Therefore,

12% /100% x A = 21

0.12 x A = 21

Divide both sides by 0.12

0.12/0.12 x A = 21/0.12

A = 175

The total number of students is 175.

If 21 chose to study French their freshman year ,number of students that chose not to will be total number of students minus number of those who chose to study French.

That’s

175 - 21

= 154

154 students chose not to study French their freshman year

4 0
3 years ago
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