3 years ago

Can someone help me with number 9

Mathematics

1 answer:

Oksanka [162]3 years ago

6 0

Answer:

f(x)=30x+100

Step-by-step explanation:

30 for each lawn is the slope .

if Eddie mows zero lawns he still gets $100

he only makes more than $100 based on how many lawns he mows

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Just want to check to make sure this is right. I got 81 as the average so D seemed right.

sergiy2304 [10]

Im not 100% sure but im pretty sure you are right brother! God bless...Good luck!

6 0

3 years ago

Suppose the speeds of vehicles traveling on a highway are normally distributed and have a known population standard deviation of

erik [133]

Answer:

2.88

Step-by-step explanation:

Data provided in the question

$\sigma$ = Population standard deviation = 7 miles per hour

Random sample = n = 32 vehicles

Sample mean = $\bar X$ = 64 miles per hour

98% confidence level

Now based on the above information, the alpha is

= 1 - confidence level

= 1 - 0.98

= 0.02

For $\alpha_1_2$ = 0.01

$Z \alpha_1_2$ = 2.326

Now the margin of error is

$= Z \alpha_1_2 \times \frac{\sigma}{\sqrt{n}}$

$= 2.326 \times \frac{7}{\sqrt{32}}$

= 2.88

hence, the margin of error is 2.88

5 0

3 years ago

How do you do decrease 280 by 95%

stealth61 [152]

95% = 0.95

280 - (280 * 0.95)

7 0

3 years ago

If N=b/d(squared) write down in terms of b and d

Paladinen [302]

B. The square root of N

8 0

3 years ago

PLEASE HELPPPPPP!!!!! THIS IS DUE ASAP PLEASEEE

Gwar [14]

Answer:

Step-by-step explanation:

list the numbers that are odd or greater than 2

1,2,3,4,5,6

aka every single outcome

therefore the answer is just 1

8 0

3 years ago

Read 2 more answers