3 years ago

-3(1 – 3x) + 2x

Mathematics

1 answer:

e-lub [12.9K]3 years ago

3 0

Answer:

it is -3+11x

Step-by-step explanation:

just look at your notes or take some

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Alice bought 24 feet of yarn. How many yards of yarn did she purchase?

NARA [144]

Answer:

8 yards

Step-by-step explanation:

3 feet is 1 yard, so 24 feet is 8 yards

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3 years ago

Read 2 more answers

In a certain lottery, you must select 5 numbers (in any order) out of 26 correctly to win. a. How many ways can 5 numbers be

Step2247 [10]

Answer:

a. 7893600

$b.\ \dfrac{1}{26}$

Step-by-step explanation:

Given that there are 26 numbers out of which 5 numbers are to be chosen.

Here repetition is not allowed.

For each of the 5 cases, the total number of possibilities will keep on decreasing by 1.

1st case, number of possibilities = 26

2nd case, number of possibilities = 25

3rd case, number of possibilities = 24

4th case, number of possibilities = 23

5th case, number of possibilities = 22

a. Total number of possibilities = 26 $\times$ 25 $\times$ 24 $\times$ 23 $\times$ 22 = <em>7893600</em>

b. Probability of winning by choosing one number:

Formula for probability of an event E can be observed as: $P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

Number of favorable cases = 1

Total number of cases = 26

So, required probability:

$P(E) = \dfrac{1}{26}$

So, the answers are:

a. 7893600

$b.\ \dfrac{1}{26}$

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3 years ago

Select the correct answer from each drop down menu.

KATRIN_1 [288]

Answer: x^2, x<2, 5, 2</=x<4

Step-by-step explanation:

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3 years ago

Are 6:8 and 9/12 proportional?

swat32

No !!!!!!!!! it’s not

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2 years ago

David has a bag of coins. The bag contains 7 dimes, 2 nickels, and 6 pennies. He will randomly select 2 coins from the bag one a

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Answer:

7/15 for dime

6/15 for pennies

Step-by-step explanation:

7/15 because 7+2+6=15 and there are 7 dimes so 7/15.

6/15 because there are 15 coins and there are 6 pennies so 6/15.

15 is the total so 7 and 6 have to go over it.

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2 years ago