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iren2701 [21]
3 years ago
9

What is the ratio of 7:21:35?​

Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0

Answer:

49

Step-by-step explanation:

49 because 14 is added everytime

9,15,21 because 6 is added everytime

Hope it helps!

Mark my answer as brainliest!!

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Alisa hair grows at a rate of 1/2 inch per month. How many months will it take for her hair to grow 8 inches
Alekssandra [29.7K]
It takes Alisa 16 months to grow her hair 8 inches.
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4 years ago
Classify each of the following attributes as either categorical or numerical. For those that are numerical, determine whether th
V125BC [204]

Answer:

a) numerical discrete, b) categorical, c) numerical continuous, d) numerical continuous, e) categorical

Step-by-step explanation:

Categorical variables are those that represent attributes. For example, the colors of a model of car. It could be black, white, or red. It represents an attribute that can’ t be measured, only can be classified. Categorical variables can be classified into two types: nominal and ordinal. The categorical nominal variables don’ t follow a natural order, like the “b” statement. Babies could be boys or girls. When they have a hierarchy they are ordinal, for example, the “e” statement. They have an order. The firstborn is before than the middle child.

When the variable can be measured, it is a numerical variable. If the variable can be measured on a continuous scale, like “c” and “d” statement, then it is a continuous numerical variable. You can find any value on the scale. For example, the amount of fluid could be 250 ml, 250.1 ml, 249.5 ml.

If the variable can also take some finite variables, then it is a numerical discrete variable. These variables represent counts, as in the “a” statement, the number of students in a class.

4 0
3 years ago
Lewis rolls a number cube and then chooses a card from a set of cards numbered 1 through 5. What is the probability that he will
IceJOKER [234]

Answer:

\frac{1}{5}=0.2

Step-by-step explanation:

The general formula for a probability is:

P=\frac{FavorableEvent}{TotalEvents}

The favorable events for the cube to fall in a even number are:

2, 4, and 6 ⇒ <u>3 favorable events</u>

and in the cube the total events are:

1, 2, 3, 4, 5, 6 ⇒ <u>6 total events</u>

So the probability of rolling an even number in the cube is:

P=\frac{3}{6}\\\\\\ P=\frac{1}{2}

Now we do something similar to find the probability to choose a card with an even number.

The favorable events for an even numbered card are:

2, 4 ⇒<u> 2 favorable events</u>

and the total number of events in the cards is:

1, 2, 3, 4, 5 ⇒ <u>5 total events</u>

Thus, the probability to choose an even numbered card (according to the probability formula) is:

P=\frac{2}{5}

And finally, since we want both things to happen we must multiply both obtained probabilities:

  • the probability that he will roll an even number and choose an even numbered card:

P=\frac{1}{2}*\frac{2}{5} \\ \\P=\frac{2}{10} \\\\P=\frac{1}{5} =0.2

The probability is 1/5 which is equal to 0.2 or 20%

3 0
3 years ago
F(x)=x^(2)-4x+32 is it true that it equals (0,32) on the y-intercept
podryga [215]

Answer: Yes this equation is true.

How Do I know? Well, let's graph this and the answer is (0,32)

6 0
4 years ago
Read 2 more answers
Simplify the expression 5(x − 3)(x2 + 4x + 1).
Vsevolod [243]

Answer:

30x² - 90x + 1

Step-by-step explanation:

Go to

https://www.tiger-algebra.com/drill/(5x-15)6x_1/

for the full step-by-step explanation.

5 0
3 years ago
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