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evablogger [386]
3 years ago
10

.3 with a bar notation × 21

Mathematics
1 answer:
algol [13]3 years ago
5 0
Be more specific when asking your question.. send me the question and I’ll answer it.
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The cable company takes an SRS of 250 of the approximately 15,000 households who subscribe to them. They found that 75 percent o
kati45 [8]

Answer:

Answer; Mean = p = 0.75

             Standard deviation =0.0274  

Step-by-step explanation:

Mean = p = 0.75

Standard deviation = √ [ p ( 1 - p) / n ]

= √ [ 0.75 * ( 1 - 0.75) / 250]

= 0.0274

5 0
3 years ago
Alan bought a suit on sale for $208. This price was 35% less than the original price.
algol [13]

Answer:

280.8

Step-by-step explanation:

Since 100% is the full amount, and it is 35% off you add 35 to the 100. So you get 1.35. You finally multiply by 207 and get 280.8

7 0
2 years ago
For the following geometric sequence find the recursive formula: {-1, 3, -9, ...}.
vredina [299]
First term (a1) is -1

recursive formula goes like this

a_n is the nth term
a_{n-1} is the term before that

we normally have a_n=f(a_{n-1})

we see each term is multipying by -3 to get next one


so that would be
a_n=-3*a_{n-1} where a1=-1


the 3rd option is correct except that it is the explicit formula

so answer is 2nd one
3 0
2 years ago
Find the area of a triangle with the given base and height<br><br> 7ft, 2in
Alekssandra [29.7K]

Answer:

A =  84 inches^2

Step-by-step explanation:

We know that the formula for the area of a triangle is given by

A = 1/2 b*h

Let's substitute what we know

We need the units to be the same

Convert 7 ft to inches

1 ft = 12 inches

Multiply both sides by 7

7 ft = 84 inches

A = 1/2 *84*2

A =  84 inches^2



6 0
3 years ago
Read 2 more answers
Answer yes or no to determine whether 57 is divisible by each number:
Dvinal [7]

Answer:

2 no 3 yes 4 no 5 no 6 no 9 no and 10 no

Step-by-step explanation:

it only divisible by 3 if you're talking about whole numbers. Hope this helps!

4 0
2 years ago
Read 2 more answers
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