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2 years ago

15

Translate the sentence into an inequality. The difference of twice a number and 3 is greater than 29. Use the variable y for the

unknown number.

1 answer:

Licemer1 [7]2 years ago

7 0

Answer:

The sentence you need is ##### ###### ### ### #####

Step-by-step explanation:

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the sum of two numbers is 61. five times the smaller number is 23 more than the larger. find the numbers

Stella [2.4K]

Smaller Number = X
5x - 23 = Larger Number

X + (5x - 23) = 61
6x - 23 = 61
6x = 84
X = 14

6 0

2 years ago

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and

sergij07 [2.7K]

Answer:

a) sample size is 40

Step-by-step explanation:

(a)

$\sigma=4$ minutes

Margin of error, E is 75 seconds E=75/60= 1.25 minutes.

The level of significance $\alpha= 0.05$ for 95% level of significance

For 95% confidence interval $z_{\frac{\alpha}{2}}=1.96$ from standard deviation table

Sample size required, n

$n=\left (\frac{z_{\frac{\alpha}{2}}\cdot \sigma}{E} \right )^{2}=\left (\frac{1.96\cdot4}{75/60} \right )^{2}=39.337984$

Rounding off, n=40

Sample size =40

Keywords:

95% confidence, sample size, Wall Street Journal

3 0

3 years ago

a dealer paid 10000 for a boat at an auction. at the dealership a sales person sold the boat for 30 percent more than the auctio

podryga [215]

Commission is 2500
---

4 0

2 years ago

A B C D (i only got 20 min)

lana66690 [7]

Answer:

d

Step-by-step explanation:

because how the line passes through the positive 4 and its a negative slope along with the fact that it goes down 3 over 2.

6 0

2 years ago

Ana bought 324 gallons of milk last month at $3.30 per gallon and 314 gallons of milk at $3.20 per gallon this month.

kipiarov [429]

Answer:

$2,074

Step-by-step explanation:

324 x 3.30 + 314 x 3.20= $2,074

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2 years ago