MATHEMATICS COLLEGE

If f(x) = x/2 +8, what is f(x) when x=10?

Answers

Answer 1
Answer: x=13 . hope this helps you out

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Perform each of the following computations using the measured quantities below. a. 917.2 + 45.63 = ___________
b. 3.423 x 10^-4 - 6.42 x 10^-3 =_________

Answers

Question

Perform each of the following computations using the measured quantities below.

Write your final answer with the correct number of significant figures in proper scientific notation (one non-zero number to the left of the decimal point).

a. 917.2 + 45.63 = ___________

b. 3.423 x 10^-4 - 6.42 x 10^-3 =_________

Answer:

(a) 9.6 x 10²

(b) -6.1 x 10⁻³

Step-by-step explanation:

(a) 917.2 + 45.63

First add the two numbers as follows (ensure that the decimal numbers are well aligned);

   9  1   7 . 2

+     4  5 . 6  3

   9  6 2  . 8  3

To write the result in a proper scientific notation (one non-zero number to the left of the decimal point),

i. Express the number is standard form

962.83 = 9.6283 x 10²

Note that;

From the result in (i)

9.6283 = mantissa

10 = base

² = power or exponent.

ii. Express the mantissa of the number in 1 decimal place.

9.6 x 10²

Therefore, the result in the proper scientific notation is 9.6 x 10².

(b)  3.423 x 10⁻⁴ - 6.42 x 10⁻³

Find the difference between the two numbers as follows;

i. Re-write the numbers so that they both have the same exponents:

0.3423 x 10⁻³ - 6.42 x 10⁻³

ii. Factor out 10⁻³

10⁻³(0.3423 - 6.42)

iii. Solve the bracket

10⁻³(-6.0777)

iv. Rewrite the result in (iii)

-6.0777 x 10⁻³

To write the result in a proper scientific notation (one non-zero number to the left of the decimal point),

i. Express the number is standard form

-6.0777 x 10⁻³       [already in standard form]

Note that;

From the result in (i)

-6.0777 = mantissa

10 = base

⁻³ = power or exponent.

ii. Express the mantissa of the number in 1 decimal place.

-6.1 x 10⁻³

Therefore, the result in the proper scientific notation is -6.1 x 10⁻³.

Which equations have a value less than 6,766?A. one fourth x 6,766 = ________

B. 6 x 6,766 = ________

C. one half x 6,766 = ________

D. 1 x 6,766 = ________

A and C
D and B
A and B
C and D
please help giving brainlyest

Answers

A and C are the correct answers.

I hope this helps.
A and C I Think......

Camden is making accessories for the soccer team. He uses 513.72 inches of fabric on headbands for 34 players and 2 coaches. He also uses 299.54 inches of fabric on wristbands for just the players. How much fabric was used on a headband and wristband for each player?

Answers

23.91941176470588 inches not including the coaches and 22.59055555555556 including the coaches


Hope this helps!

Use the distributive property to remove the parentheses.2x+(6x2-9)
Simplify your answer as much as possible.

Answers

After removing the parentheses using the distributiveproperty, the expression2x^4 (6x^2 - 9) simplifies to 12x^6 - 18x^4.

We have,

To remove the parentheses using the distributiveproperty, we need to multiply each term inside the parentheses by the term outside the parentheses.

Applying the distributiveproperty to the expression2x^4 (6x^2 - 9), we have:

2x^4 * 6x^2 - 2x^4 * 9

Multiplying the terms:

12x^6 - 18x^4

Therefore,

After removing the parentheses using the distributiveproperty, the expression 2x^4 (6x^2 - 9) simplifies to 12x^6 - 18x^4.

Learn more about expressions here:

brainly.com/question/3118662

#SPJ2
Answer: 12x^6 - 18x^4

Pls help 5[9+3(3.2-3)]

Answers

Answer:

48

Step-by-step explanation:

3.2 - 3 = .2

3(.2) = .6

9 + .6 = 9.6

5 * 9.6 = 48
This is the working for the answer that is 48

5 ( 9 + 3 ( 3 - 3.2 ) )
5 ( 9 + 3 * 0.2 )
5 ( 9 + 0.6 )

5 * 9.6 = 48

Jessica is playing a game where there are 4 blue markers and 6 red markers in a box. She is going to pick 3markers without replacement.
If she picks all 3 red markers, she will win a total of $500. If the first marker she picks is red but not all 3 markers
are red, she will win a total of $100. Under any other outcome, she will win $0.
What is the expected value of Jessica's winnings?
Round your answer to the nearest cent.

Answers

Answer:

The probability of Jessica picking 3 consecutive red markers is: (1/6)

The probability of Jessica's first marker being red, but not picking 3 consecutive red markers is:

(3/5)−(1/6)=(13/30)

So i am bit stuck here

what i think is it shouldn't be that complex it should be as simple as chance of Jessica's first marker being red=chance of getting red 1 time i.e P(First marker being red)=(6/10) can any explain me the probability of Jessica's first marker being red=(13/30)?

Step-by-step explanation:

Answer:

$126.67

Step-by-step explanation:
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