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FinnZ [79.3K]
3 years ago
12

Can someone please help me?

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
8 0
1) 12
2) 2y
3) 12+2y
4) 12+2y
Bad White [126]3 years ago
3 0

Answer:

What was the answer you put wrote?

Step-by-step explanation:

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Write an equation to show the relationship between a and c when a = b + 9 b = c - 2​
ICE Princess25 [194]

Given:

The equations are:

a=b+9

b=c-2

To find:

The equation that show the relationship between a and c.

Solution:

We have,

a=b+9               ...(i)

b=c-2               ...(ii)

Equation (i) can be rewritten as:

a-9=b              ...(iii)

From (ii) and (iii), we get

a-9=c-2

a-c=9-2

a-c=7

Therefore, the required equation is a-c=7.

4 0
3 years ago
If the number of defects found is more than one standard deviation above the mean, the manufacturing facility needs to recalibra
Sliva [168]

Answer:

16% probability that the facility needs to recalibrate their machines.

Step-by-step explanation:

We have to use the Empirical Rule to solve this problem.

Empirical Rule:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

What is the probability that the facility needs to recalibrate their machines?

They will have to recalibrate if the number of defects is more than one standard deviation above the mean.

We know that by the Empirical Rule, 68% of the measures are within 1 standard deviation of the mean. The other 100-68 = 32% is more than 1 standard deviation from the mean. Since the normal distribution is symmetric, of those 32%, 16% are more than one standard deviation below the mean, and 16% are more than one standard deviation above the mean.

So there is a 16% probability that the facility needs to recalibrate their machines.

7 0
4 years ago
if 1/2 a lemon will make1/3 of a gallon of lemonade, how many lemons will it take to make a full gallon of lemonade?
AnnyKZ [126]
1/2 = 1/3g
x = 1g
1/2*3 = x
Therefore, it will take 3/2 or 1.5 or 1 1/2 lemons.
5 0
3 years ago
Read 2 more answers
I NEED HELP ASAP!!! I'LL GIVE BRAINLIEST FOR THE CORRECT ANSWER!!!
galben [10]

Answer:

just add all that up

Step-by-step explanation:

5 0
3 years ago
Find the area of the triangle below.
victus00 [196]

Answer:

You didn't tell me which one is the base or height

Step-by-step explanation:

Area of a triangle: \frac{1}{2} bh

3 0
3 years ago
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