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laiz [17]
3 years ago
9

Hi can someone please help i only have a few hours to do this please help

Mathematics
2 answers:
Sonja [21]3 years ago
5 0
(4,1) because it is the ordered pair that passes through the line
Nesterboy [21]3 years ago
3 0

Answer:

○ (4, 1)

Step-by-step explanation:

\frac{1}{5} (4) +  \frac{1}{5}  =   \frac{4}{5}  +  \frac{1}{5}  =  \frac{5}{5}  = 1

I am joyous to assist you anytime.

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You measure 20 turtles' weights, and find they have a mean weight of 45 ounces. Assume the population standard deviation is 11.5
Naily [24]

Answer: the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

Step-by-step explanation:

Formula for margin of error : E=\dfrac{z^*\times (Population\ standard\ deviation)}{\sqrt{Sample\ size}}

, where z* = Critical z-value.

Given: population standard deviation = 11.5 ounces

Sample size = 20

Z value for 90% confidence level = 1.645

margin of error (E) = \dfrac{1.645\times11.5}{\sqrt{20}}

\approx4.23

Hence, the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

3 0
3 years ago
Which of the following is equivalent to the expression below? 42^x/6^x
Tasya [4]
The answer is D because 42 / 6 = 7 and the power ( ^X) can cancel out each other
4 0
3 years ago
Can someone please help me with one and make sure to explain please it an Emergency. Also please answer it correctly.
ivann1987 [24]

Answer:

Step-by-step explanation:

Surface area of a cylinder:

S. A. = 2πrh + 2πr²

Volume of a cylinder:

V = πr²h

~~~~~~~~~~~

2(π)(2.5)(x) + 2(π)(2.5)² = π(2.5)²(x)

5x + 12.5 = 6.25x

1.25x = 12.5

x = 10

4 0
2 years ago
Help me!
aliina [53]
1. For each triangle, multiply the length by the hight then divide by two to find the areas of each triangle.

2. Add the 4 areas together to get the area of the window

3. Divide the sum of those 4 areas by 100 to get the area in metres as opposed to centimetres
7 0
2 years ago
An amount of $8,000 is invested at a simple interest rate of 1.5%. What is the total amount after three years?
Ymorist [56]
If you're looking for the interest the answer would be:
i=8,000*.015*3
i=360.
The interest would be $360 dollars. 
The balance would be 8,000+360= $8,360

3 0
3 years ago
Read 2 more answers
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