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mojhsa [17]
3 years ago
7

In (x+12)+In(x+10)=In24

Mathematics
1 answer:
torisob [31]3 years ago
5 0

Answer:

i think the answer is 4.......

Step-by-step explanation:

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Ben and Cam are scuba diving. Ben is 15.815.8 meters below the surface of the water. Cam is 4.24.2 meters above Ben. What is Cam
Semmy [17]

Answer:

Option B - 11.6 m below the surface of water.

Step-by-step explanation:

Given : Ben and Cam are scuba diving. Ben is 15.815.8=15.8 meters below the surface of the water. Cam is 4.24.2= 4.2 meters above Ben.

To find : What is Cam's position relative to the surface of the water?  

Solution :    

Ben is 15.8 meters below the surface of the water.

Cam is 4.2 meters above Ben.        

So, Cam is below the surface of water by  15.8-4.2=11.6 meter.

Therefore, Option B is correct that Cam is 11.6 meters below the surface of the water.

6 0
3 years ago
Read 2 more answers
Find the number that makes the ratio equivalent to 4:5. 28:_
Olin [163]

Answer:

7

Step-by-step explanation:4*7=28

Therefore 5*7=35

28:35= 4:5

3 0
1 year ago
A study investigated the job satisfaction of teachers allowed to choose supplementary curriculum for their classes versus teache
Ber [7]

The Critical z-values are -1.96 and 1.96 option second is correct.

It is given that the teachers were allowed to choose supplementary curriculum for their classes versus teachers who were assigned all curricular resources for use in their classes.

It is required to find the critical z-values.

<h3>What is the critical value of Z?</h3>

It is defined as the area region enclosed by the standard normal curve or bell curve. It gives an idea about every variable, and what value of probability the variables acquire.

We are assuming the data given below:

x = 3.5

\mu =3.3

\sigma = 0.6

n = 40

We know the formula for the Z score:

\rm Z = \frac{x-\mu}{\frac{\sigma}{\sqrt{n} } }

\rm Z = \frac{3.5-3.3}{\frac{0.6}{\sqrt{40} } }

Z = 2.10

The area under the normal distribution curve:

P(Z= 2.10)  = 0.9821   ( from the z table)

We have null hypothesis H0: in the two groups, the level of job satisfaction is the same ie. with no difference.

H1: There is a significant difference in levels of job satisfaction.

The above hypothesis defined that the test is two-tailed which means there will be two rejection regions.

The critical z-values are:

-1.96 and 1.96  (from the critical value calculator at a 5% significance level with two-tailed)

Thus, the Critical z-values are -1.96 and 1.96 option second is correct.

Learn more about the critical value here:

brainly.com/question/13686040

4 0
2 years ago
I need help right now!!!!
MatroZZZ [7]

Answer:

no, yes, yes, no

Step-by-step explanation:

BC is 3 units long, CA is 5 units long, BC is shorter than BA by a little over 3 units (use pythagorean theorem), and AC is longer than BC by 3 units not 2.

7 0
2 years ago
Which expression is not equivalent to the other three?
AVprozaik [17]

Answer:

<em>4 + 7x – 2</em>

Step-by-step explanation:

<u>Equivalent Expressions</u>

Let's find out which expressions are equivalent by simplifying them. One of the expressions should be not equivalent to the other three.

Simplifying

2x + 2+ 2x + 3x -8=7x-6

Now for the second expression

4 + 7x -2=7x+2

The third expression simplifies to

-2 + 5x + 2x - 4=7x-6

Finally, this is the simplification for the expression

8x - x - 6=7x-6

As seen, the only expression not equivalent to the other three is 4 + 7x – 2

8 0
3 years ago
Read 2 more answers
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