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Brilliant_brown [7]
3 years ago
9

Help me fast please

Mathematics
2 answers:
Arisa [49]3 years ago
7 0

Answer:

3.5

Step-by-step explanation:

rewona [7]3 years ago
7 0

Answer:

3.50

Step-by-step explanation:

hzhsjsjsjssjsjsjdj

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Write a bracket to make the calculation correct <br><br> 4 + 1 *7-2 =25
Lelechka [254]

Answer:

[4 + 1] *[7-2] =25

Step-by-step explanation:

[4 + 1] *[7-2] =25

We need to get to 25

What makes 25

5*5

4+1 =5

7-2 =5

5*5 =25

So we need brackets around 4+1 and around 7-2

6 0
3 years ago
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Which of the following number lines represents the inequality below?
zvonat [6]

Answer:

B

Step-by-step explanation:

The circle has to be hallow in order for it to be greater than or less than. The arrow is going below 4 because the circle is on 4 and the arrow is pointing to the left side.

8 0
3 years ago
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Connie Hargrave's tree fell in the last storm and damaged the car of
Nimfa-mama [501]
The answer to this question is D
5 0
3 years ago
4/9 is the multiplicative inverse of which number <br><br>a -4/9<br>b -9/4<br>c 4/9<br>d 9/4
frutty [35]

Answer: d 9/4


Step-by-step explanation: Multiplicative inverse is simply flipping the number (reciprocal). When multiplied the value is always 1. 4/9 * 9/4 =36/36 =1


8 0
3 years ago
There are four activities on the critical path. Coincidentally, their standard deviations are all equal to 4. The standard devia
hichkok12 [17]

Answer:

the standard deviation of the critical path is 8

Step-by-step explanation:

The computation of the standard deviation of the critical path is shown below:

As we know that

Variance = Standard deviation^2

Now the variance of the critical path is

= Variance 1 + variance 2 + variance 3 + variance 4

= 4^2 + 4^2 + 4^2 + 4^2

= 64

Now the standard deviation would be

= √64

= 8

hence, the standard deviation of the critical path is 8

6 0
3 years ago
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