MATHEMATICS HIGH SCHOOL

Find the value of the sec 19° using your calculator.A. 0.989
B. 0.946
C. 1.058
D. 1.011

Answers

Answer 1
Answer: secant is the inverse of cosine. In this case, using a calculator cosine of 19 degrees in degrees mode, is equal to 0.9455. The reciprocal of this number is the answer to the expression secant 19 equal to 1.058. answer then is equal to C.

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Please factor this and find the domain and show work 6c-3/3c^2-12
The work of a student to solve a set of equations is shown:Equation 1: m = 8 + 2n Equation 2: 3m = 4 + 4n Step 1: −3(m) = −3(8 + 2n) [Equation 1 is multiplied by −3.] 3m = 4 + 4n [Equation 2] Step 2: −3m = −24 − 6n [Equation 1 in Step 1 is simplified.] 3m = 4 + 4n [Equation 2] Step 3: −3m + 3m = −24 − 6n + 4n [Equations in Step 2 are added.] Step 4: 0 = −24 − 2n Step 5: n = −12 In which step did the student first make an error? Step 4 Step 3 Step 2 Step 1

Do all of the digits in 8.88 have the same value? and explain why.

Answers

No, all of the digits in 8.88 does not have the same place value.

In the number 8.88, each digit occupies a specific position that determines its place value.

From left to right:

1. The first digit "8" is in the ones place. Its place value is 8.

2. The second digit "8" is in the tenths place. Its place value is 0.8 (or 8/10).

3. The third digit "8" is in the hundredths place. Its place value is 0.08 (or 8/100).

Since all the digits are located after the decimal point, they are decimal digits. Therefore, in the number 8.88, all digits have the different place value as decimals.

Learn more about place value here

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Answer:

No

Step-by-step explanation:

Mitochondria is the powerhouse of the cell

Tony is going to put $900 in a savings account that earns 3.2% simple interest. He will leave the money in there for 4 years. How much money will he earn in interest? What will his account balance be at the end of 4 years?

Answers

Your answer would be $115.20 for your interest in all. His account balance would be $1015.20 at the end of four years.

I got this answer by first multiplying 900 times .032. I got the .032 by saying that 3 percent is .03, and .2 percent is a .002. .032 would be that percentage in a decimal version. I got 28.8 from that, so that would be your simple interest. Multiply that by four for your total interest together, and add 900 to it to get your answer.

If f(x) = x - 2, what is f(-1)? ​

Answers

Step-by-step explanation:

f(x) = x - 2

f(-1) = -1 -2

= -3

PLEASE HELP !!! Which polygon is a concave octagon?

Answers

The correct answer is:

C. The polygon with 8 sides and a concave shape (attached)

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Marco's bedroom is a square that one side is 7 1/2 feet. Marco wants to come in at five carpet how many square feet of carpet will be needed for the bedroom.

Answers

Answer:11.25 square feet of each carpet will be needed for the bedroom.

Step-by-step explanation:

The formula for determining the area of a square is expressed as

Area = length^2

Marco's bedroom is a square that one side is 7 1/2 feet. Converting

7 1/2 feet to improper fraction, it becomes 15/2 feet.

Therefore, the area of Marco's bedroom would be

(15/2)^2 = 225/4 = 56.25 square feet.

Marco wants to come in at five carpet. It means that the number of square feet of each carpet that will be needed for the bedroom is

56.25/5 = 11.25

Which words in the sentence are the adjective clause? Alessandra, whom everyone calls "Al," is the best tennis player on the team.
a. whom everyone calls "Al
b. is the best
c. tennis player on the team
d. Alessandra, whom everyone

Answers

Adjective clause describes or gives some information about the subject, or a noun generally, which in this case is "Alessandra". The clause that describes her is "whom everyone calls "AI"": so the correct answer is a) .
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