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3 years ago

Please help me I really need it Big points for help.

1 answer:

7 0

1. Because you know the number of gallons per square foot. You would want to use cubic feet for the measurement of the tank.

2. Convert all dimensions to feet:

1 yard = 3 feet

18 inches = 1.5 feet.

Volume of tank = 3 x 1.5 x 1 = 4.5 cubic feet.

Multiply gallons per cubic foot by cubic feet of tank:

7.5 x 4.5 = 33.75 gallons.

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Write the quadratic function in the form f (x)= a (x - h)' + k. f (x) = 3x² - 6x+6

Vlad1618 [11]

Answer:

$f(x) = 3(x - 1)^2-3$

Step-by-step explanation:

Given

$f(x) = 3x^2 - 6x + 6$

Required

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$f(x) = a(x - h)^2 + k$

In $f(x) = 3x^2 - 6x + 6$ , the coefficient of x is -6

Divide by 2: -3

Square: 9

Add 9 - 9 to the above equation

$f(x) = 3x^2 - 6x +9-9+ 6$

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$f(x) = [3x^2 - 6x +9]-[9- 6]$

$f(x) = [3x^2 - 6x +9]-[3]$

Factorize:

$f(x) = [3x^2 - 3x -3x+9]-[3]$

$f(x) = [3x(x - 1) -3(x-1)]-[3]$

$f(x) = [(3x - 3)(x-1)]-[3]$

Factorize 3x - 3

$f(x) = [3(x - 1)(x-1)]-[3]$

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3 years ago

Write the numbers 23,643 and 23,987 so they line up by place value. Explain how to line them up

weqwewe [10]

Consider the numbers 23,643 and 23,987.

Since both the given numbers have same digits at ten thousands and thousands place.

So, we can'not compare the numbers on the basis of ten thousands and thousands digit.

So, let us consider the number 23,643

Consider the place value of digit at the hundreds place. Since, the digit at hundreds place = 6.

The place value of 6 = 600

Now, let us consider the number 23,987

Consider the place value of digit at the hundreds place. Since, the digit at hundreds place = 9.

Te place value of 9 = 900

Since, 900 > 600

So, 23,643 > 23,987

Therefore, the number 23,987 is greater than the number 23,643.

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3 years ago