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joja [24]
2 years ago
12

Look at the graph shown below:

Mathematics
1 answer:
Natasha2012 [34]2 years ago
5 0
B: y=3x-1 because the slope is 3 and passes thru y axis at -1
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If Jan can buy 12 copies of a certain book $40, what is the unit rate for cost per copy? How much would it cost her to buy 18 co
crimeas [40]
3.33 since we know 12 is for 40 we can set up an equation
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2 years ago
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Simplify the expression -2x(x+3) A: -x -6 B: -x + 6 C: -2x + 6 D: -2x - 6​
Leni [432]

Answer:

D

Step-by-step explanation:

-2x(x+3)

-2x-6

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3 years ago
Write an expression for the cost of a drink and popcorn for one person
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Answer:

popcorn is usually around 5 dollars and a drink is 3 so: 5 x 3

Step-by-step explanation:

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3 years ago
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(a^3+a^2b/5a)(25/3b+3a)
zheka24 [161]

Answer:

\frac{5a}{3}

Step-by-step explanation:

The given expression is;

(\frac{a^3+a^2b}{5a})(\frac{25}{3b+3a} )

Factorize;

(\frac{a^2(a+b)}{5a})(\frac{25}{3(b+a)} )

Cancel out the common factors;

(\frac{a(1)}{1})(\frac{5}{3(1)} )

Simplify;

\frac{5a}{3}

5 0
3 years ago
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Riley has collected surveys for her final thesis project. One one question, 46.1% of respondents said that conditions were impro
ira [324]

Answer:

The maximum value of the confidence interval for this set of survey results is 51.73%.

Step-by-step explanation:

A confidence interval has two bounds, a lower bound and an upper bound.

These bounds depend on the sample proportion and on the margin of error.

The lower bound is the sample proportion subtracted by the margin of error.

The upper bound is the margin of error added to the sample proportion.

In this question:

Sample proportion: 46.1%

Margin of error: 5.63%.

Maximum value is the upper bound:

46.1+5.63 = 51.73

The maximum value of the confidence interval for this set of survey results is 51.73%.

5 0
3 years ago
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