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3 years ago

15

The totally clean toothpaste company advertises that 9/10 of all people surveyed prefer their toothpaste what percent of people

surveyed prefer totally clean toothpaste

1 answer:

Paraphin [41]3 years ago

7 0

90%. 9/10 is equivalent to 90/100 making the percentage 90%

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"four times the difference of a number and 9 is -30"

lesantik [10]

Answer:

4 * (x-9)=-30

not sure if u want it solved but if u do its x=6/4

Step-by-step explanation:

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3 years ago

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How much money did Larry borrow from the bank?

tatuchka [14]

$20

Step-by-step explanation:

I'm high a.f. but I'm certain it's $20

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Please help me on this one

kotykmax [81]

Answer:

8.52

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3 years ago

Let f(x)=x^2+17x+72<br><br><br><br> What are the zeros of the function?

densk [106]

Answer:

The zeros of the given function $f(x)=x^2+17x+72$ is $\left(x+8\right)\left(x+9\right)$ are -8 and -9.

Step-by-step explanation:

Given : Function $f(x)=x^2+17x+72$

We have to find the zeros of the functions.

Consider the given Function $f(x)=x^2+17x+72$

Since, we have to find the zeros of the given functions.

Put f(x) = 0

Thus, $x^2+17x+72=0$

We can solve the given equation using middle term splitting method.

17x can be written as 8x + 9x

$x^2+17x+72=0$ can be written as $x^2+8x+9x+72=0$

Taking x common from first two term and 9 common from last two terms, we have,

$x(x+8)+9(x+8)=0$

Simplify, we have,

$\left(x+8\right)=0$ or $(x+9\right)=0$

x = -8 and x = -9

Apply zero product rule, $a\cdot b= 0 \Rightarrow a=0 \ or \ b=0$

$\left(x+8\right)\left(x+9\right)=0$

Thus, The zero of the given function $f(x)=x^2+17x+72$ is $\left(x+8\right)\left(x+9\right)$ are -8 and -9.

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3 years ago

Please, my brain went blank and I didn't know how to answer this

Akimi4 [234]

The answer is 54.
The area of one square side is: 3 x 3 = 9
There are 6 sides on a cube so: 9 x 6 = 54

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2 years ago

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