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3 years ago

Solve the equation. Enter your answer in the box. x=27−−√3

Mathematics

1 answer:

ch4aika [34]3 years ago

5 0

Answer:

x=-39

Step-by-step explanation:

subtract 27 from both sides and youll get x=-39

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Bob's age is 4 times greater than Susanne's age. Dakota is three years younger than Susanne. The sum of Bob's, Susanne's, and Da

Ratling [72]

<span>Susanne is 16 years old.</span>

b = Bob's age

s = Susanne's age

d = Dakota's age

Bob's age is 4 times greater than Susanne's age:

b = 4s

Dakota is three years younger than Susanne:

d = s - 3

The sum of Bob's, Susanne's, and Dakota's ages is 93:

b + s + d = 93

solve these equations:

b = 4s

d = s - 3

b + s + d = 93

and get:

b = 64 years

s = 16 years

(remember that s = Susanne)

d = 13 years

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3 years ago

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3 years ago

If 7 people each eat 3/8 pound of potato salad, how much potato salad will be eaten in all?

Amanda [17]

All you have to do is subtract 3/8 from 7 which would give you 9 and 1/3

6 0

3 years ago

A cube has how many vertices

Ulleksa [173]

Answer: 8 vertices

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3 years ago

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