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masha68 [24]
3 years ago
11

Diego had $420 in his checking account. He made 6 deposits of $35.50 each. He also

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0

Answer:

 

Step-by-step explanation:

  he needs to add $723 to his account. He needs $1243 in all to write his checks

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In a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted o
Maksim231197 [3]

Answer:

324

Step-by-step explanation:

given that in a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?"

i.e. Sample proportion p=0.74\\q =1-p =0.26\\

Margin of error = 4% = 0.04

Confidence level =90%

Z critical value for 90% = 1.645

Margin of error = 1.645 * std error

Hence std error = \frac{0.04}{1.645} \\=0.0243

Std error is also equal to

\sqrt{\frac{pq}{n} } =\sqrt{\frac{0.74(0.26)}{n} } =0.0243\\\sqrt{n} =18..05\\n = 325.83~324

Sample size should be 324.

The formula is sample size = (Z critical value)^2 (pq)/(Margin of error )^2

3 0
3 years ago
An older person is 8 years older than seven times the age of a younger person. The sum of their ages is 32. What are their ages?
tatiyna

Answer:

there ages are 29 and 3 years old

3 0
3 years ago
Two sides of a triangle are 7 and 11 the length of the third side x is expressed
slava [35]

Answer:

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side. ... No; The sum of the lengths of any two sides of a triangle must be greater than the length of the third side. ANSWER: No; 9.

8 0
3 years ago
‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️Please someone find the kindness in their heart to help me. I have been waiting for 45 minutes and still
Virty [35]
Hey,
I could actually answer the question now, so I am going to put it here as well so the people don't have to read the comments above.

<span>Use the Pythagorean Theorem to find the hypotenuse:<span>a² + b² = c²
5² + 5² = c²
25 + 25 = c²
50 = c²
√50=√(c^2 )
7.07 = c

Answer: 7

Cheers,
Izzy</span></span>
6 0
3 years ago
10 times as much as blank is 1/10 of 900
ludmilkaskok [199]

9 times 10 is 90.

90 is 1/10 of 900.

The answer is 9.

4 0
4 years ago
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