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3 years ago

X+5=5 What is the value?

Mathematics

2 answers:

dsp733 years ago

6 0

The answer is I also agree 1x or x

AveGali [126]3 years ago

4 0

Answer: 1x or x

X=5-5
=X

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Phonics is an instructional method in which children are taught to connect sounds with letters or groups of letters. A sample of

natali 33 [55]

Answer:

98% confidence interval: (29.25,38.87)

Step-by-step explanation:

We are given the following in the question:

Sample mean, $\bar{x}$ = 34.06

Sample size, n = 134

Sample standard deviation, s = 23.83

a) 98% confidence interval

$\bar{x} \pm z_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.02} = \pm 2.33$

$34.06 \pm 2.33(\frac{23.83}{\sqrt{133}} ) = 34.06 \pm 4.81 = (29.25,38.87)$

b) If a 95% confidence interval were constructed with these data, confidence interval would be narrower as the confidence level is decreasing as compared to 98%

c) If a sample of 150 students had been studied, the width of confidence interval will decrease as the sample size increases.

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3 years ago

lesa saved 17,689 pennies lynn saved 1614 connie saved 176 pennies how many pennies did they save altogether

Goshia [24]

To find your answer you must add them all together :
17,689
1,614
+ 176
_________
19,479

5 0

3 years ago

What is the answer to the problem 1-(-18)

Tamiku [17]

Answer:

Step-by-step explanation:

1-(-18)

=1+18

=19

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3 years ago

Compare the integers -13 and 15

agasfer [191]

-13is negative and is 13 spaces away from 0. 15 is positive and is 15 spaces away from 0.

6 0

2 years ago

A scale drawing of a living room is shown below.

prisoha [69]

Answer:

A=80 square feet.

Step-by-step explanation:

First, we find the area of the model. 6*4=24. Now, due to the ratio of 1:40, we know that every inch is actually forty inches. So, you do this:

24*40=960.

So, the area of the actual living room is 960 inches. Or 80 feet.

3 0

3 years ago