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schepotkina [342]
1 year ago
10

D. 40

Mathematics
1 answer:
solong [7]1 year ago
6 0

Answer:

The correct answer is $12

Step-by-step explanation:

To check, subtract 12 from 31

31 - 12 =19

Multiply 19 by 2

19 x 2 =38

Add 12

38 + 12 =50

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Please help me with my math I’m so bad at this
mojhsa [17]

Answer:

9

Step-by-step explanation:

(-9)^1/3 * (-81)^1/3

We can rewrite -81 as 9 * -9

So it can be rewritten as:

(-9)^1/3 * (9*-9)^1/3

Since they are all raised to the 1/3, we can combine the bases:

(-9*9*-9)^1/3 =

(9*9*9)^1/3, because the two negatives turn into a positive:

So this is basically:

(9^3)^1/3 = 9^1 = 9

7 0
3 years ago
What is the mass of the 2.5 kilogram in mass in grams
Ludmilka [50]
1 kg= 1000g

So to go from kilograms to grams, multiply by 1000:
2.5kg*1000= 2500 g

Answer: 2500 g
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3 years ago
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If a vsco girl walks 1.5 miles how many yards is that???? pls answer quickly pls​
tekilochka [14]

<em>One mile is equal to 1760 yards. Therefore, 1.5 miles is equal to 1.5 x 1760 = 2640 yards.</em>

<em>1.5 mile = 2640 yards</em>

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<em>Hope this helps</em>

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6 0
2 years ago
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If the probability that your DVD player breaks down before the extended warranty expires is 0.034, what is the probability that
schepotkina [342]

Answer:

0.966

Step-by-step explanation:

Given that:

Probability of DVD player breaking down before the warranty expires = 0.034

To find:

The probability that the player will not break down before the warranty expires = ?

Solution:

Here, The two events are:

1. The DVD player breaks down before the warranty gets expired.

2. The DVD player breaks down after the warranty gets expired

In other words, the 2nd event can be stated as:

The DVD does not break down before the warranty gets expired.

The two events here, have nothing in common i.e. they are mutually exclusive events.

So, Sum of their probabilities will be equal to 1.

\bold{P(E_1)+P(E_2)=1}\\\Rightarrow 0.034+P(E_2)=1\\\Rightarrow P(E_2)=1-0.034\\\Rightarrow P(E_2)=\bold{0.966}

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3 years ago
Two thirds of the students in Harry's math class and three fifths of the students in amanis
prisoha [69]

what's the question your tryna figure out

4 0
3 years ago
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