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exis [7]
3 years ago
9

The length of a side of a square is √7 cm. What is the perimeter of the square? (Perimeter = the distance around the outside of

a shape)
Mathematics
2 answers:
Natali5045456 [20]3 years ago
8 0
I hope this helps you




Perimeter of Square =4.side



Perimeter=4 square root of 7
Sonja [21]3 years ago
4 0
Since the square has 4 sides, you only have to add \sqrt{7} four times.

The <span>perimeter of the square is: </span><span>4 \cdot \sqrt{7} = 10.6 cm </span>
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Find the critical value necessary to form a confidence interval at the level of confidence shown below.
Rzqust [24]

Answer:

the critical value for 0.87 level of confidence is 1.51

Step-by-step explanation:

Given the data in the question;

level of confidence = 0.87

now,

1 - c = 0.87

c = 1 - 0.87

c = 0.13

c/2 = 0.13/2 = 0.065

now

1 - c/2  = 1 - 0.065 = 0.935

so our level of significance ∝ = 0.935

Now, the critical value will be;

Z_{0.935 is obtained as follows;

P( Z < z ) = 0.935

so we find the value from ( standard normal distribution table )

P( Z < 1.51 ) = 0.935

Therefore, the critical value for 0.87 level of confidence is 1.51

8 0
3 years ago
How do you write a rule for determining possible values of a variable in an inequality????
zubka84 [21]
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5 0
3 years ago
Continuous functions f, g are known to have the properties z 4 1 f(x) dx = 19, z 4 1 g(x) dx = 12 respectively. use these to fin
Ahat [919]

I guess this reads

\displaystyle\int_1^4f(x)\,\mathrm dx=19

\displaystyle\int_1^4g(x)\,\mathrm dx=12

You want to compute

I=\displaystyle\int_1^4(8f(x)-g(x)+7)\,\mathrm dx

By linearity of the definite integral,

I=\displaystyle8\int_1^4f(x)\,\mathrm dx-\int_1^4g(x)\,\mathrm dx+7\int\mathrm dx

I=8\cdot19-12+7(4-1)=\boxed{161}

3 0
2 years ago
Can some explian this?
KiRa [710]

Answer: it’s asking where do the points meet at hopes this helps

Step-by-step explanation:

8 0
2 years ago
Solve for y 31=2y-5
DIA [1.3K]

31=2y-5

Add 5 on both -5+5 which cancels out and 31+5 which is 36 and then divide 36 by 2 which equals to 18.

So y=18 hope this helped (':


8 0
3 years ago
Read 2 more answers
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