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gulaghasi [49]
3 years ago
12

Leanna is making a craft and needs 12 yards of ribbon. If 2 yards of ribbon cost $1.25, how much will 12 yards cost?

Mathematics
1 answer:
tankabanditka [31]3 years ago
8 0

Answer:

$7.50

Step-by-step explanation:

2 yd= 1.25

we have 12 yd so 12/2= 6

6*1.25= 7.50

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Find the slope and y-intercept of the line through the points (-3,-4) and (0,-1)​
Alja [10]

Answer:

Slope=1, y-intercept=-1.

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-1-(-4))/(0-(-3))

m=(-1+4)/(0+3)

m=3/3

m=1

y-(-4)=1(x-(-3))

y+4=x+3

y=x+3-4

y=x-1

y=mx+b where m=slope and b=y-intercept

so you have slope of 1 and y-intercept of -1

6 0
3 years ago
The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 2135 miles, with a variance
stiv31 [10]

Answer:

0.36878

Step-by-step explanation:

Given that:

Mean number of miles (m) = 2135 miles

Variance = 145924

Sample size (n) = 40

Standard deviation (s) = √variance = √145924 = 382

probability that the mean of a sample of 40 cars would differ from the population mean by less than 29 miles

P( 2135 - 29 < z < 2135 + 29)

Z = (x - m) / s /√n

Z = [(2106 - 2135) / 382 / √40] < z < [(2164 - 2135) / 382 / √40]

Z = (- 29 / 60.399503) < z < (29 / 60.399503)

Z = - 0.4801364 < z < 0.4801364

P(Z < - 0.48) = 0.31561

P(Z < - 0.48) = 0.68439

P(- 0.480 < z < 0.480) = 0.68439 - 0.31561 = 0.36878

= 0.36878

3 0
2 years ago
D - 41 = 19
DaniilM [7]

Answer:

<u>see explanation</u>

Step-by-step explanation:

add 41; d = 60

3 0
3 years ago
Im just gonna waste my points. first to comment gets the points I guess.
Aliun [14]

Answer:

Hey


Step-by-step explanation:


8 0
3 years ago
Before a race, Evelyn ran 27 minutes to warm up. The race took her 2 hours.
Gwar [14]

Answer:

C. 147 minutes

Step-by-step explanation:

This is 147 minutes because 2 hours equal up to 120 minutes, before that Evelyn ran 27 minutes. So, now you have to add 120 and 27. You get 147.

4 0
3 years ago
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