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Greeley [361]
3 years ago
11

Simplify. Type your answer in the space provided. Do not include spaces in your answer. Answer in terms of an 2 improper fractio

n. Use the / key for a fraction bar. For example, if the answer is 2 type 12/5. 3 AN​

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer:

can't see

Step-by-step explanation:

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From a population with standard deviation 25, a sample of size 100 is drawn. The mean of the sample is 235. Construct a 90% conf
pickupchik [31]

Answer:

See explaination and attachment

Step-by-step explanation:

Given the parameters we have, we want to Construct a 90% confidence interval for the true mean of the population.

Hence, making use of these parameters;

sample size =100

Std deviation =25

mean if the sample=253.

Therefore solving for 90% confidence interval for the true mean of the population. We will apply a formula.

Please kindly check attachment gor the step by step solution for all the questions.

6 0
3 years ago
HELP ASAP!!!!!!<br>What is the equation of a circle with center (1, -4) and radius 2?
sertanlavr [38]

Answer:

(x)^2+ (y+2)^2 = 49

Step-by-step explanation:

The standard form of a circle is

(x-h)^2+ (y-k)^2 = r^2 where (h,k) is the center and r is the radius

(x-0)^2+ (y--2)^2 = 7^2

(x)^2+ (y+2)^2 = 49

this is just a example

lmk if u get it

Step-by-step explanation:

8 0
3 years ago
the sides of a square are all increased by 3cm The area of the new square is 64cm^2. Find the length of the original square
djyliett [7]
The "new" square must have sides of size 8

8 * 8 = 64

so the original square must have had sides of size 5cm. 8 - 3
4 0
4 years ago
How do you solve #-(1+7x)-6(-7-x)=36#?
taurus [48]
- (1 + 7x) - 6(- 7 - x) = 36
- 1 - 7x + 42 + 6x = 36
41 - x = 36
- x = - 5

x = 5
7 0
3 years ago
I need someone to explain this to me. I don’t understand it at all. :(
UkoKoshka [18]
I don’t understand this either ask the teacher
3 0
3 years ago
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