3 years ago

.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

3 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