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GREYUIT [131]
3 years ago
6

Find the surface area of the pyramid. Thanks you.

Mathematics
1 answer:
Mkey [24]3 years ago
6 0

Answer:

85 ft^2

5*6*2=60

5*5=25

25+60=85

Step-by-step explanation:

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5x6 = (_X 6) + (2x_)
kati45 [8]

Answer:

<u>(3 </u>x 6) + (2 x<u> 6)</u>

Step-by-step explanation:

6 0
3 years ago
The figure below shows a line graph and two shaded triangles that are similar:
VLD [36.1K]
Every time the y-value decreases by 1, the x-value increases by 2, so the slope is -1/2 throughout the line.
4 0
3 years ago
Read 2 more answers
We wish to construct a 90% confidence interval on the mean of a population known to be normally distributed based on a sample of
sergiy2304 [10]

Answer:

Margin of error = 0.773

Step-by-step explanation:

We are given the following information in the question.

Sample size, n = 20

Sample mean = 8

Sample standard deviation = 2

90% Confidence interval

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

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.10} = \pm 1.729  

Margin of error:

t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

1.729(\frac{2}{\sqrt{20}} ) = 0.773  

7 0
4 years ago
I will give brainiest to whoever answers correctly !!
tigry1 [53]

Answer:

The graduate will have $4,084.97 when he cashes in the CD at the end of the 36-months.

Step-by-step explanation:

This can be determined using the formula for calculating the future value (FV) formula as follows:

FV = PV * (1 + r)^n ................................. (1)

Where;

FV = Future value or the amount the graduate will have at end of 36 months = ?

PV = Present value or the total amount invested = Cash gifts from friends and relatives + Amount of 3 scholarships he received = $900 + $250 + $300 + $1,400 = $2,850

r = daily interest rate = 1% / 360 = 0.01 / 360 = 0.0000277777777777778

n = number of days = 36 months * 360 days = 12,960

Substituting the values into equation (1), we have:

FV = $2,850 * (1 + 0.0000277777777777778)^12,960

FV = $2,850 * 1.43332224806396

FV = $4,084.96840698229

Approximating to the nearest cent as required, we have:

FV = $4,084.97

Therefore, the graduate will have $4,084.97 when he cashes in the CD at the end of the 36-months.

5 0
3 years ago
A couch went on a 16% off sale. The sale price is given as $1008. What was the original price of the couch?
scoray [572]

Answer:

1200 dollars

Step-by-step explanation:

x-0.16x=1008

.84x=1008

x=1200 dollars

4 0
2 years ago
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