3 years ago

What does 8 times what equals 32

Mathematics

1 answer:

Tju [1.3M]3 years ago

4 0

Answer:

Step-by-step explanation:

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Decide if this is a combination or permutation and then answer the question. Minnie has 4 different stamps. She needs 3 to mail

Sergio039 [100]

It is a combination, becasue the order does not matter

C (4,3) = 4! / [3! (4-3)!] = 4

Answer: A and C.

7 0

3 years ago

A rectangle has an area of 25 square feet. A similar rectangle has an area of 240 square feet. What is the ratio of the areas of

Lady_Fox [76]

Answer:

The ratio of the areas of these similar rectangles is 5:48.

Step-by-step explanation:

Let us convert area into fraction.

Ratio of the area of first rectangle to the area of second rectangle = $\frac{Area of first rectangle}{Area of second rectangle}$

= $\frac{25}{240}$

$= \frac{5}{48}$

Hence, the ratio of the areas of these similar rectangles is 5:48.

7 0

3 years ago

What are the x - and y -intercepts of the equation 3x+4y=24?

Nitella [24]

Given:

The equation is

$3x+4y=24$

To find:

The x- and y-intercepts of the given equation.

Solution:

We have,

$3x+4y=24$

Putting x=0, we get

$3(0)+4y=24$

$0+4y=24$

$y=\dfrac{24}{4}$

$y=6$

Therefore, the y-intercept of the given equation is 6.

Putting y=0, we get

$3x+4(0)=24$

$3x+0=24$

$x=\dfrac{24}{3}$

$x=8$

Therefore, the x-intercept of the given equation is 8.

7 0

3 years ago

A student finds a positive correlation between the number of beds in a home and the number of plates in the kitchen.

mestny [16]

C. The number of people in the home. This is because the more people in the house, more people are eating and using plates and there are going to be more beds for everyone to sleep on.

3 0

3 years ago

Read 2 more answers

(3+7i)(-2-2i)-4i(5-9i)

ValentinkaMS [17]

(3+7i)(-2-2i)-4i(5-9i)

(3+7i)(-2-2i)(-20i+36i<2)

Combine like terms:

(3-2)(7i-20i)(36i<2)

1-13i+36i<2

This is the eqaution simplified

8 0

4 years ago