3 years ago

Y=x^2-4x-3 y=-2x^2-5x+1

Mathematics

1 answer:

Serggg [28]3 years ago

6 0

Hi! This is the solution of your equation!

Download docx

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What represents the inverse of the function f(x) = 4x

Katarina [22]

Answer:

$f { - 1}^{ } = \frac{x}{4}$

Step-by-step explanation:

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8 0

3 years ago

You are making a recipe that calls for cream of mushroom soup. There is a deal at the store, where you can buy 10 cans of soup f

Olenka [21]

Answer:

The cost of 6 cans of soup = $7.8

Step-by-step explanation:

The cost of 10 cans of soup = $13

The number of cans needed for the soup = 6

Now, Cost of 1 can of soup = $\frac{\textrm{Total cost of 10 cans of soup}}{\textrm{10}}$

= $13 / 10 =$1.3

⇒The cost of 1 can of soup is $1.3

Now, The cost of 6 cans of soup = 6 x Cost of 1 can

⇒ 6 x $1.3 = $7.8

Hence, the cost of 6 cans of soup = $7.8

5 0

3 years ago

In a group of 60 students, 20%are girls. How many are boys?

Firlakuza [10]

Answer: About 12 of those 60 students are boys.

To find the percent, you'll convert 20% to a decimal.

20 / 100 = 0.2

Then, multiply 60 by 0.2

0.2 × 20 = 12

That's one way, another way is:

Convert 20% to a fraction.

20% = 1/5

Then multiply 60 by 1/5.

60 × 1/5 = 60/5

Lastly, divide 60 by 5

60 / 5 = 12.

Hence, 12 is the answer.

<em>Any questions? Comment down.</em>

4 0

3 years ago

I can't solve this equation pleas help!x^2+2x+8=0

tiny-mole [99]

$x^2+2x+8=0\\
x^2+2x+1+7=0\\
(x+1)^2=-7\\
x+1=-\sqrt{-7} \vee x+1=\sqrt{-7}\\
x=-1-\sqrt7 i \vee x=-1+\sqrt7 i$

8 0

3 years ago

Can someone help please? this is due soon. ill give brainliest

Iteru [2.4K]

Not sure but I think it’s B

4 0

3 years ago

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