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2 years ago

How to divide numbers by decimals

2 answers:

7 0

Multiply the denominators. Way 2: Move decimal points, divide, and place a decimal point in the quotient. Step 1 Write a decimal point and a zero in the dividend. Step 2 Multiply the divisor by a power of 10 to get a whole number.

SVEN [57.7K]2 years ago

3 0

Move the decimal point in the divisor and dividend.

Turn the divisor (the number you’re dividing by) into a whole number by moving the decimal point all the way to the right. At the same time, move the decimal point in the dividend (the number you’re dividing) the same number of places to the right.

Place a decimal point in the quotient (the answer) directly above where the decimal point now appears in the dividend.

Divide as usual, being careful to line up the quotient properly so that the decimal point falls into place.

Line up each digit in the quotient just over the last digit in the dividend used in that cycle.

Hope this helps!! good luck!

<<<Bob>>>

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An owner of a key rings manufacturing company found that the profit earned (in thousands of dollars) per day by selling n number

vovikov84 [41]

Answer:

The number of key rings sold on a particular day when the total profit is $5,000 is 4,000 rings.

Step-by-step explanation:

The question is incomplete.

An owner of a key rings manufacturing company found that the profit earned (in thousands of dollars) per day by selling n number of key rings is given by

$P=n^2-2n-3$

where n is the number of key rings in thousands.

Find the number of key rings sold on a particular day when the total profit is $5,000.

We have the profit defined by a quadratic function.

We have to calculate n, for which the profit is $5,000.

$P=n^2-2n-3=5\\\\n^2-2n-8=0$

We have to calculate the roots of the polynomial we use the quadratic equation:

$n=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\n= \frac{-2\pm\sqrt{4-4*1*(-8)}}{2}= \frac{-2\pm\sqrt{4-32}}{2} = \frac{-2\pm\sqrt{36}}{2} =\frac{-2\pm6}{2} \\\\n_1=(-2-6)/2=-8/2=-4\\\\n_2=(-2+6)/2=4/2=2$

n1 is not valid, as the amount of rings sold can not be negative.

Then, the solution is n=4 or 4,000 rings sold.

7 0

3 years ago

A cell phone company charges $20 for a customer to open a new account and $35for each month of phone service.

JulsSmile [24]

Y=20+35x because the 20 is a 1 time thing and 35x because 35 is charged each month

5 0

2 years ago

HELP PLS! asap!! what is the resulting ordered pair if the value of the independent variable is 5?

Serga [27]

Independent variable is 5 means x = 5
solve for f(x) when x = 5
f(5) = -2(5) +1
f(5) = -10 + 1
f(5) = -9

Solution (5,-9)

Answer
B. (5,-9)

6 0

3 years ago

Read 2 more answers

Which of the following is a possible unit for the volume of a cone?

mash [69]

Possible unit is m³

Step-by-step explanation:

The possible unit for volume of a cone is m³
Volume of a cone = Base area × Height
Here unit for volume will be square units and that of height will be in units. Together, they form cubic units.
In the given options, the only unit that is in cubic form is m³

8 0

3 years ago

What value would be placed in the space shown to create a perfect square trinomial?

charle [14.2K]

Answer:

1st option 9/4

Step-by-step explanation: Searched up the problem on brainly and this was the answer. Hope that helps

3 0

2 years ago