Leslie purchased 4.5 pounds of grass seed. The grass seed cost $1.22 per pound.How much did Leslie spend on grass seed?

Answers

Answer 1

Answer:

The Answer is 5.49

1.22 x 4.5 = 5.49

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The equation of line CD is y = 3x − 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1).

Answers

y = 3x - 3....slope here is 3. A perpendicular line will contain a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is -1/3.

y = mx + b
slope(m) = -1/3
(3,1)....x = 1 and y = 3
now we sub
3 = -1/3(1) + b
3 = -1/3 + b
3 + 1/3 = b
9/3 + 1/3 = b
10/3 = b

so ur perpendicular line is : y = -1/3x + 10/3

Mr. Swanson bought a package of 10 disposable razors for $6.30. He found that each razor lasted 1 week. What was the cost per day ?

Answers

$6.30 ÷ 10 = $ .63 per razor and if one razor lasts a week (7 days) Then $.63 ÷ 7 =
$ .07 per day

Simplify the expression:
(2f - 6)(-3)

Answers

Answer:

Simplify the expression.

−

6f+18

Step-by-step explanation:

4% of the lightbulbs produced at Shady Stan's lightbulb factory are defective. An inspector visits the factory and randomly grabs 200 lightbulbs. Find the mean and standard deviation.

Answers

Answer: Mean = 8 and standard deviation is 2.77

Step-by-step explanation:

The mean and standard deviation for a binomial distribution is given by :-

$\text{Mean}=np\n\n\text{Standard deviation}=√(np(1-p))$ , where n is the sample size and p is the probability of getting success.

Given : The proportion of the lightbulbs produced at Shady Stan's lightbulb factory are defective: p=0.04

Sample size : $n=200$

Then , the mean and standard deviation for a binomial distribution is given by :-

$\text{Mean}=200*0.04=8\n\n\text{Standard deviation}=√(200(0.04)(0.96))=2.7712812921approx2.77$

Find the slope of the line passing through the points ( -9, 3) and (6, 3)

Answers

Answer:

M=0

Step-by-step explanation:

You want to use the formula (y2-y1)/(x2-x1). To do this, subtract 3-3/6- -9 and that is your slope. So the slope is 0/15.

If the number p is 20 more than the number q using algebra write the relationship between p and q

Answers

All you have to do is write the equation out showing what q equals.
q=p-20

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A bicycle is on sale at $12 more than half of the regular price. If the sale price is $75, find the regular price.

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