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olga55 [171]
3 years ago
10

Jovie is maintaining a camp fire. She has kept the fire steadily burning for 101010 hours with 151515 logs. She wants to know ho

w many hours (h)(h)left parenthesis, h, right parenthesis she could have kept the fire going with 999 logs. She assumes all logs are the same.
Mathematics
1 answer:
olga_2 [115]3 years ago
3 0

Answer:

6 hours

You are given following data:

15 logs - 10 hours,

9 logs - x hours.

Use proportion to determine unknown value of x:

\dfrac{15}{9}=\dfrac{10}{x}.

Then

15\cdot x=9\cdot 10,\\ \\x=\dfrac{90}{15}=6\ hours.

Answer: 6 hours

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Aidan can complete a job in 5 minutes, while Joseph can complete the same job in 15
cluponka [151]

Answer:

10 minutes?

Step-by-step explanation:

Sorry if it is incorrect but what I did was I found the average of 5 minutes and 15 minutes and got 10.

Here's my problem solving explanation:

(5 + 15) / 2 = 10

3 0
3 years ago
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PLEEEASE HELLLLP!!!!!!! If x+7=2y and y=2x−1, what is the value of y?
viktelen [127]

Answer:

13

Step-by-step explanation:

We can add 1 to both sides of the second equation and divide by 2 to get

x = (y-1)/2

We can then substitute x in the first equation to get

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y-1 + 14 = 2y

Subtract y and combine like terms

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6 0
3 years ago
Martino drove 1,734 miles in 34 hours. What was his average speed for e trip, in miles per hour? ​
Aliun [14]

Answer:

51 mph

Step-by-step explanation:

1734  miles

---------------- (per)

34 hours

you would divide. think of it as a fraction

1734

----

34

the numerator is miles and the denominator is hours. divide the numerator (the top number) by the denominator (the bottom number).

1734/34= 51

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Hope this helps!

7 0
2 years ago
Find the tangent of both angle A and angle B. Ignore what the picture says the numbers are the same.
Elena-2011 [213]
For the angle A we have:
 tan (A) = C.O / C.A
 tan (A) = 10/24
 Simplifying we have:
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 For angle B we have:
 tan (B) = C.O / C.A
 tan (B) = 24/10
 Simplifying we have:
 tan (B) = 12/5
 Answer:
 
The tangent of angles A and B is given by:
 
tan (A) = 5/12
 
tan (B) = 12/5
4 0
3 years ago
Last week Mark ran 31 miles more than Jack. Mark ran 46 miles .How many miles did Jack run
Levart [38]
You take what Mark ran, 46 miles, and you see that Mark ran 31 more miles than Jack, so the equation would be 46-31, which would be 15 miles. So, Jack ran 15 miles.
8 0
2 years ago
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