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jekas [21]
3 years ago
7

Each of these is a pair of equivalent ratios for each pair explain why they are equivalent A: 4:5 and 8:10

Mathematics
1 answer:
alisha [4.7K]3 years ago
5 0
They are equivalent because 4:5 can both be multiplied by 2 making 8:10.
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At Joe's Clown Car Rental Agency, renting a car costs $45 plus $0.75 for every mile it is driven. What is an equation that can b
klasskru [66]

Answer:

y=0.75m+45

Step-by-step explanation:

when you bought the car it was 45, that doesnt change so its a constant

but every mile you drive, it changes, therefore it becomes the dependent or the rate :)

so we just make it into an equation of

y=0.75m+45

where y= the total amount of money owed

and if you wanted to solve for how far the car drove, plug in the 222.5 in for y, as that was the amount owed and solve!

222.5=0.75m+45

177.5=.75m

now divide by .75

m= 236 2/3 miles

hope this helped :))

7 0
3 years ago
1) Suppose the heights of 18-year-old men are approximately normally distributed, with mean 71 inches and standard deviation 5 i
Luba_88 [7]

Answer:

Suppose the heights of 18-year-old men are approximately normally distributed, with mean 71 inches and standard deviation 4 inches.

(a) What is the probability that an 18-year-old man selected at random is between 70 and 72 inches tall? (Round your answer to four decimal places.)

z1 = (70-71)/4 = -0.25

z2 = (72-71/4 = 0.25

P(70<X<72) = p(-0.25<z<0.25) = 0.1974

Answer: 0.1974

(b) If a random sample of thirteen 18-year-old men is selected, what is the probability that the mean height x is between 70 and 72 inches? (Round your answer to four decimal places.)

z1 = (70-71)/(4/sqrt(13)) = -0.9014

z2 = (72-71/(4/sqrt(13)) = 0.9014

P(70<X<72) = p(-0.9014<z<0.9014) = 0.6326

Answer: 0.6326

please mark me the brainiest

3 0
2 years ago
Ok, guys here's the question. PLEASE HELP ME!!
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Answer: the orange juice

Step-by-step explanation:

You would have to dived to get you the fractions to get 4 divide by 3 and you would get 1.33

6 0
3 years ago
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The equation y + 6 = one-third (X minus 9) is written in point-slope form. What is the equation written in slope-intercept form?
Volgvan

Answer:

r u in geometry 1?

Step-by-step explanation:

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3 years ago
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10 points! How could you correctly rewrite the equation 4(5 + 3) = 2(22 – 6) using the distributive property?
atroni [7]
D.
4x5 + 4x3 = 2x22 - 2x6
20+12=44-12
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3 years ago
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