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3 years ago

7

Two green faucets take 4 hours together to fill a deposit. Two other blue faucets take half together. How long does it take to f

ill the tank with a blue and a green tap together?

1 answer:

EleoNora [17]3 years ago

7 0

It should take 2 hours to fill a tank

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tresset_1 [31]

Answer:

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Step-by-step explanation:

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3 years ago

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What is the area, in square units, of the trapezoid?

Misha Larkins [42]

Answer:

99

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2 years ago

Write a polynomial function in standard form with zeros at 0, 1, and 2.

BARSIC [14]

Answer:

Step-by-step explanation:

f(x)=(x-0)(x-1)(x-2)

=x(x^2-3x+2)

or f(x)=x^3-3x^2+2x

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2 years ago

Evaluate the function. f(x) = 3x² – x Find f(10)

kirill [66]

Answer:

<em>f(10)=290</em>

Step-by-step explanation:

<u>Function Evaluation</u>

Given a function f(x) as an explicit expression, finding f(x=a) implies substituting the value of x by a in every instance it occurs.

We are given the function:

$f(x)=3x^2-x$

It's required to find f(10). We replace the x for 10:

$f(10)=3*10^2-10$

Operating:

$f(10)=3*100-10$

$f(10)=300-10$

$f(10)=290$

Thus, f(10)=290

4 0

2 years ago

Which polynomial expression represents a sum of cubes? (6 – s)(s2 + 6s + 36) (6 + s)(s2 – 6s – 36) (6 + s)(s2 – 6s + 36) (6 + s)

Nadusha1986 [10]

Answer:

Option 3 is correct that is $(6+s)(s^2-6s+36)$

Step-by-step explanation:

We have general formula for sum of cube which is

$a^3+b^3=(a+b)(a^2+b^2-ab)$

Here, we have a=s and b=6

on substituting the values in the formula we will get

$6^3+s^3=(6+s)(s^2+6^2-6s)$

After simplification we will get

$6^3+s^3=(6+s)(s^2+36-6s)$

After rearranging the terms we will get

$6^3+s^3=(6+s)(s^2-6s+36)$ which exactly matches option 3 in the given options.

Therefore, option 3 is correct that is $(6+s)(s^2-6s+36)$

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3 years ago

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