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3 years ago

Which of the following statements best describes the value of the expression 12x + 2 when x = 9?

Mathematics

2 answers:

AlladinOne [14]3 years ago

6 0

Answer:

Step-by-step explanation:

12 x 9 = 108 + 2 = 110. 110 / 2 = 55 and 55 is a composite number.

RideAnS [48]3 years ago

4 0

Answer:

The answer is C.

Step-by-step explanation:

Hope this helps

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A portion of the Quadratic Formula proof is shown. Fill in the missing statement.

Zielflug [23.3K]

Answer:

Option A.

Step-by-step explanation:

we have

$x+\frac{b}{2a} =\pm\sqrt{\frac{b^2-4ac}{4a^2}}$

Simplify the right side of the equation

we know that

$\pm\sqrt{\frac{b^2-4ac}{4a^2}}=\pm\frac{\sqrt{b^2-4ac}}{\sqrt{4a^2}}=\pm\frac{\sqrt{b^2-4ac}}{2a}$

The expression is

$x+\frac{b}{2a}=\pm\frac{\sqrt{b^2-4ac}}{2a}$

therefore

x plus b over 2 times a equals plus or minus the square root of b squared minus 4 times a times c, all over 2 times a

4 0

3 years ago

If log 2 = a and log 5<br> b then<br> log<br> 32/125

sveta [45]

Answer:

log(32/125)

=log32 - log125 [log(x/y)=log(x) - log(y)]

=log(2)^2 - log(5)^3

=2log2-3log5 [log(x)^p=p log x]

=2a-3b

4 0

3 years ago

What is 0.353 rounded to the nearest tenth

KengaRu [80]

0.4 .

Explanation
Rounding to the tenth, you look at the 2nd number after the period, if it’s greater than 5 or 5 itself u and 1 to the first number after the period. Back to the question 0.353 , the 2nd number after the period is 5, so u add 1 to the 1st number after the period with it’s 3 and 3+1=4. If you are rounding to tenth only leave one number after the period with gives you 0.4. Hopefully you get it.

4 0

2 years ago

You make as many expansion packs as you can. With the parts remaining, you could make 1 more expansion pack if you had :

ser-zykov [4K]

Answer:

enough time

Step-by-step explanation:

6 0

3 years ago

Alicia Bitman, age 30, plans to purchase a $200,000, 5-year term life insurance policy. What is the annual premium?

zhenek [66]

Answer: $770

Step-by-step explanation:

Number of units to be purchased by Alicia:

= 200,000 / 1,000

= 200 units

Alicia is purchasing a 5-year term life insurance policy. At age 30, the cost per $1,000 unit of insurance is $3.85 for a female.

The formula for the annual premium is:

= Number of units purchased * Premium per $1,000

= 200 * 3.85

= $770

4 0

2 years ago