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Anvisha [2.4K]
3 years ago
10

Find the SA if this Square Pyramid:

Mathematics
1 answer:
emmainna [20.7K]3 years ago
7 0

Step-by-step explanation:

Sa = b • h/ 2 = 5 • 11 /2 = 55/2 = 27.5ft²

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The population of a city grew from 43,209 to
QveST [7]

Answer:

5 percent or 5.7349percent

divide 43209 by 45687 and get 1.0573491 subtract one

and get 0.0573491 make into a percentage 5.7percent depending on where you need to round.

8 0
3 years ago
How do you solve this problem? population proportion is to be estimated from a sample of 400 with a sample proportion of 0.1. Ap
Ivan

Answer:

(0.0706, 0.1294)

Step-by-step explanation:

Confidence interval of a proportion is:

CI = p ± CV × SE

where p is the proportion,

CV is the critical value (z score or t score),

and SE is the standard error.

The sample is large enough to estimate as normal.  For 95% confidence level, CV = z = 1.96.

Standard error for a proportion is:

SE = √(pq/n)

SE = √(0.1 × 0.9 / 400)

SE = 0.015

The confidence interval is:

CI = 0.1 ± (1.96)(0.015)

CI = (0.0706, 0.1294)

Round as needed.

6 0
3 years ago
10. Mr. Ward bought a used car forx dollars. One year later the value of the car was 0.72x. Which
Cerrena [4.2K]

Answer:

D.

Step-by-step explanation:

0.72 = 72%

So that being the case, his car's value decreased by 72%

7 0
4 years ago
Harry and Terry are each told to calculate 8−(2+5)8−(2+5). Harry gets the correct answer. Terry ignores the parentheses and calc
Masteriza [31]
To evaluate the answer of Harry:
8-(2+5)8-(2+5)
= -55

To evaluate the answer of Terry:
8-2+58-2+5
= 66

HH = -55
TT = 66

H-TH-T
5-65-5
= -65
7 0
3 years ago
Pls help me with this logarithms​
JulsSmile [24]

Answer:

Whats the question?

Step-by-step explanation:

5 0
3 years ago
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