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2 years ago

2x+5=? when x is 3 what is the answer

Mathematics

1 answer:

34kurt2 years ago

5 0

Answer:

Step-by-step explanation:

since x=3

2*3+5

you simplify 2*3 first

6+5

=11

hope this helped

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rewona [7]

Your welcome I hope it is right

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3 years ago

As part of a quality-control program, 4 batteries from a box of 17 is chosen at random for testing. In how many ways can this te

belka [17]

Answer:

This test batch can be chosen in 2380 ways

Step-by-step explanation:

The order in which the batteries are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In how many ways can this test batch be chosen?

4 batteries from a set of 17. So

$C_{17,4} = \frac{17!}{4!(17-4)!} = 2380$

This test batch can be chosen in 2380 ways

5 0

3 years ago

If w:8=15:24.the value of w is?

luda_lava [24]

Answer:

Step-by-step explanation:

24 divided by 3 is 8

so 15 divided by 3 is 5

3 0

3 years ago

What is the answer h+6\5=2

nexus9112 [7]

Answer:

h = 4/5

Step-by-step explanation:

h + (6/5) = 2

h = 2 - (6/5)

h = (10/5) - (6/5)

h = (10-6)/5

h = 4/5

Check:

(4/5) + (6/5) = 2

10/5 = 2

8 0

3 years ago

The baby sleeps at 9:30 she wakes up at 2:45 how ling did the baby sleep

masya89 [10]

If the baby went to sleep at 9:30 and woke at 2:45.

Then the baby slept 5 hours and 15 minutes.

Just start at 9:30 and skip count 9:30, 10:30, 11:30, 12:30, 1:30, 2:30 that's 5 hours and from 2:30 to 2:45 is 15 minutes.

Hope this helps. :)

4 0

3 years ago

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2x+5=? when x is 3 what is the answer​

2x+5=? when x is 3 what is the answer