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garri49 [273]
3 years ago
15

Which choices are equivalent to the expression below (check all that applies )

Mathematics
1 answer:
Vaselesa [24]3 years ago
4 0
Letter c because if u multiply 5•3 you get 15
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A recent poll of 80 randomly selected Californians showed that 38% ( = 0.38) believe they are doing all that they can to conserv
Elanso [62]
The margin of error given the proportion can be found using the formula

z* \sqrt{ \frac{p(1-p)}{n} }

Where
z* is the z-score of the confidence level
p is the sample proportion
n is the sample size

We have
z*=2.58
p=0.38
n=80

Plugging these values into the formula, we have:
2.58 \sqrt{ \frac{0.38(1-0.38)}{80} } =0.14

The result 0.14 as percentage is 14%

Margin error is 38% ⁺/₋ 14%
8 0
3 years ago
Read 2 more answers
Justin car can travel 75 miles using 3 gallons of gas. At this rate, how far, in miles, can Justin travel using 8 gallons of gas
AlekseyPX

Answer:

Justin travels 211.83 miles on 8.2 gallons of gas.

Step-by-step explanation:

77.5 miles / 3.1 gallons = x miles / 8.2 gallons

Solve for x... multiply by 8.2 gallons on both sides (that cancels it on the right) side of the equation.

8.2 gallons *77.5 miles / 3.1 gallons = x

635.5/ 3.1 = x

211.83 miles = x

8 0
3 years ago
What is the total of the interior angles of a nonagon?
Naddik [55]

Answer:

the answer is 1260 degrees

pleases mark me the brainliest!

8 0
3 years ago
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Equation- s=db-6, solve for d
Liono4ka [1.6K]

Answer:

d \:  =  \frac{s + 6}{b}

Step-by-step explanation:

s = db - 6

Isolate d

s + 6 = db

.

Divide both sides of the equation by b

\frac{s + 6}{b}  =  \frac{db}{b}

Simplify

\frac{s + 6}{b}  = d \\ d =  \frac{s + 6}{b}

4 0
3 years ago
Read 2 more answers
What is the slope of <br> 4-1- -2,3
ale4655 [162]
The formula is for slope is y2-y1/x2-x1 so 3- -1 = 4 and -2 - 4 = -6 so it would be 4/-6
8 0
3 years ago
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