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Travka [436]
3 years ago
11

1) A pre-engineering student builds 1

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
6 0

1) Assuming that 1 month is 30 days. We would take 30 (# of days in the month) divided by 4, which would be 7.5. So every 7.5 days ( or 1/4 of a month) she will build 1 1/2 simple machines. so 1 1/2 times 4 equals 6. She will build 6 simple machines each month.

3) D. 6 miles, you would take 60 divided by 6 which is 10, divided by 3/5 which is 6.

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A navigator marks three locations on a satellite map as shown. If the distance from Serravalle to San Marino is 982 miles, and t
valentina_108 [34]
THE ANSWER 

let be S1 = <span>Serravalle
S2= </span><span>San Marino and 
S3= </span><span>Chiesanuova

for finding the distance </span><span>Chiesanuova from Serravalle,

(distance S1 to  S2)  +  (distance S2 to S3) = </span><span>982 miles + 833 miles =1.815 miles

the answer is </span>B. 1, 815 miles
7 0
2 years ago
Read 2 more answers
A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample size for the experimental g
vovikov84 [41]

Answer:

0.09 average effect

Step-by-step explanation:

Given that the t statistics = 1.54

Sample size (n) = 25

Therefore, variance = t²/n

Variance = 1.54²/25

Variance = 2.372/25

Variance = 0.09

3 0
3 years ago
Use ratio language to describe the relationship between 2 dogs and 1 cat
Andrei [34K]
2:1 is the ratio

- Rach :)
5 0
3 years ago
The price of gasoline at a service station increased from $1.65 per gallon last week to $1.82 per gallon this week. Sally paid $
Mila [183]

Answer:

  $2.72

Step-by-step explanation:

The increase from last week is the fraction ...

  (new price)/(old price) -1 = (1.82/1.65) -1 = 17/165

so the amount of increase Sally will pay this week is ...

  17/165×$26.40 = $2.72

_____

<em>Comment on the working</em>

We could work this several ways. Perhaps most straightforward would be to determine how many gallons Sally bought last week, and multiply that by the change in price. Or, the number of gallons could be multiplied by the new price per gallon and the difference from the old purchase amount found.

If you look at the numbers, you see that we have effectively done it the first way. The change in price is $0.17 per gallon, and the number of gallons Sally bought is $26.40/$1.65.

8 0
2 years ago
Solve this: - 4 h = 32​
anzhelika [568]

Answer:

o

Step-by-step explanation:

-4h=32

h=32/-4

h=-8

<h2>stay safe healthy and happy.</h2>
4 0
2 years ago
Read 2 more answers
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