2 years ago

What are the values of a, b, and c in the quadratic equation 0 = one-halfx2 – 3x – 2?

Mathematics

1 answer:

madam [21]2 years ago

7 0

Answer:

Step-by-step explanation:

ax^2+bx+c=0

1/2x^2-3x-2=0

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Convert 3/75 to a decimal , then to a percent

jek_recluse [69]

Firstly we need to simplify it:

3/75 = 1/25

We know that 1/25 is as much as 4/100 which can be written as 0,04.

Also 0,04 is as much as 4%.

I hope it'll help you :)

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2 years ago

A gas station is 9 miles away. How far is the gas station in kilometers? Use the following conversion: 1 mile is 1.6 kilometers.

Nadusha1986 [10]

1 mile = 1.6 kilometers

Multiply total miles by 1.6

9 miles x 1.6 = 14.4 kilometers

Answer: 14.4 kilometers

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1 year ago

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R 3. The mean of 4 numbers is 8. Three of the numbers add up to 22. What is the last number?

statuscvo [17]

<h2><em><u>Solution</u></em> : </h2>

let the last number be x

we know,

$\boxed{mean = \frac{sum \: \: of \: \: all \: \: observations}{number \: \: of \: \: observations} }$

So,

$\hookrightarrow \: 8 = \dfrac{22 + x}{4}$

$\hookrightarrow \: 8 \times 4 = 22 + x$

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$\hookrightarrow \: x = 32 - 22$

$\hookrightarrow \: x = 10$

therefore, the last number is 10.

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2 years ago

What is 19 1/2% of 62?

Alborosie

Answer:

12.09

done on calculator.

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If 4x - 7 is one angle and 2x + 13 is another, then what is the sum of both angles?

Aleksandr [31]

Answer:56

Step-by-step explanation:fydtif7oujhgcfdker87tiugjhfbdgr79tkujmgnb

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2 years ago