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3 years ago

10

A Gallup Poll used telephone interviews to survey a sample of 1000 U.S. residents over the age of 18 regarding their use of cred

it cards. The poll reported that 88% of Americans said that they had at least one credit card. Give the 95% margin of error for this estimate. m =

1 answer:

kiruha [24]3 years ago

6 0

Answer: you should listen to BTS :>

Step-by-step explanation:

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if √1.225=1.107,√12.25=3.5 and √100=10, evaluate √12.25. solve this is my assignment tomorrow in school

pashok25 [27]

Answer:

$3\frac{1}{2} = \sqrt{12\frac{1}{4}}$

Step-by-step explanation:

All you do is square 3,5 right back to get 12,25 again.

I am joyous to assist you anytime.

4 0

4 years ago

Two jets leave an airbase at the same time and travel in opposite directions, One jet travels 71mi/h faster than the other. If t

KATRIN_1 [288]

jet1 = 549 mi/h

jet2 = 620 mi/h

x= jet1

x + 71 = jet2

6 hours

6 * x

6 * x + 71

6x + 6x + 426 = 7014

12x = 7014 - 426

12x = 6588

x = 6588/12

x= 549

x + 71 = 620

wyzant

3 0

3 years ago

The sum of 6 even integers is 130 what is the 2nd number in the sequence

castortr0y [4]

Answer:

The 2nd number in the sequence is $2\left(\frac{100}{12}\right)+2$

Step-by-step explanation:

Let the six even numbers be 2x,2x+2,2x+4,2x+6,2x+8,2x+10

We are given that The sum of 6 even integers is 130.

So,2x+2x+2+2x+4+2x+6+2x+8+2x+10=130

12x+30=130

12x=100

$x=\frac{100}{12}$

So,the 2nd number in the sequence is $2\left(\frac{100}{12}\right)+2$

6 0

4 years ago

Read 2 more answers

Help please I don’t know and I really need to finish

Nat2105 [25]

Answer:

2) First option

3) Second option

Step-by-step explanation:

5² = 625

13 × 8 × 5 = 520

4 0

3 years ago

Determine if the expression 4b^4+c+c^34b 4 +c+c 3 is a polynomial or not. If it is a polynomial, state the type and degree of th

Helen [10]

Answer:

correct

Step-by-step explanation:

great job,

the 4b^4

4 0

3 years ago