All categories

3 years ago

Explain how to use multiplication to check the answer to a division problem

Mathematics

1 answer:

Orlov [11]3 years ago

8 0

When you get the quotient multiply it with the divisor if you get the dividend as the product the answer is correct.

You might be interested in

How much water is needed to fill a cylinder? This question is asking you to calculate the _____.

elena55 [62]

Answer:

volume

of course, how <u>much</u> water is asking about the capacity of cylinder, meaning it's volume in this case.

4 0

3 years ago

For the telephone bill, Etisalat charges you a fixed amount of 50 AED each month, plus 0.25 AED per minute of usage. My Bill las

IgorLugansk [536]

Answer:

so its 50+.25(x) = y or 140. x is amount of minutes y is total

3 0

3 years ago

What is the gcf of 30x^2 and 66x^5?

pantera1 [17]

Answer:

$6x^2$

Step-by-step explanation:

Express as product of prime factors.

$30x^2=2\times 3\times 5\times x^2$

$66x^5=2\times 3\times 11\times x^5$

The greatest common factor is the product of the least powers of the common factors.

The GCF is

$2\times 3\times x^2=6x^2$

4 0

4 years ago

Suppose that salaries for recent graduates of one university have a mean of $25,700 with a standard deviation of $1350. Using Ch

sergeinik [125]

Answer:

75% of the data will reside in the range 23000 to 28400.

Step-by-step explanation :

To find the range of values :

We need to find the values that deviate from the mean. Since we want at least 75% of the data to reside between the range therefore we have,

$1 - \frac{1}{k^2} =\frac{75}{100}$

Solving this, we would get k = 2 which shows the value one needs to find lies outside the range.

Range is given by : mean +/- (z score) × (value of a standard deviation)

⇒ Range : 25700 +/- 2 × 1350

⇒ Range : (25700 - 2700) to (25700 + 2700)

Hence, 75% of the data will reside in the range 23000 to 28400.

3 0

3 years ago

Choose the equation that represents the graph below: (1 point) Graph of a line passing through points 0 comma 6 and 9 comma 0 y

aleksklad [387]

Answer:

Option C is correct.

Equation of a line $y=\frac{-2}{3}x+6$ passing through (0,6) and (9,0).

Explanation:

Given the two points (0, 6) and (9 ,0).

To find the equation for the given two points $(x_{1},y_{1})$ and $(x_{2},y_{2})$ is,

$y-y_{1}=m(x-x_{1})$ ; where m is the slope and is given by:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

First find the slope m:

$m=\frac{0-6}{9-0} =\frac{-6}{9} =\frac{-2}{3}$

Substitute this value in equation of line:

$y-6=\frac{-2}{3} (x-0)$ or

$y-6=\frac{-2}{3} x$

⇒ $y=\frac{-2}{3}x+6$

Therefore, the equation for the given point is: $y=\frac{-2}{3}x+6$

7 0

3 years ago