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Ronch [10]
3 years ago
13

A plane left Chicago at 8:00am. At 1:P.M, the plane landed in Los Angeles, which is 1500 miles away. What was the average speed

of the plane for the trip?
Mathematics
1 answer:
Effectus [21]3 years ago
8 0

Answer:It took 5 hours for plane to arrive. 1500÷5 =300mph

Step-by-step explanation:

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You are buying meat for a cookout. You need to buy 8 packages of meat. A package of hot dogs cost $1.60 and a package of hamburg
Harrizon [31]
Let the number of packages of hot dogs be D, and the number of packages of hamburgers be H. We can set up the equations:
1.60D + 5H = 23
D + H = 8 ---> which we can subtract D on both sides and get: H = 8 - D
1.6D + 40 - 5D = 23, -3.4D = -17, D = 5. The number of packages of hot dogs we buy are 5.
Now, we plug that into D + H = 8, and get 5 + H = 8. Subtracting by 5 on both sides of the equation, we get H = 3. So the number of packages of hamburgers we buy are 3.
---
Hope this helps!

4 0
3 years ago
Read 2 more answers
10x + 7y = –8<br> 7x + 7y = –14
Georgia [21]

Answer:

(2, - 4 )

Step-by-step explanation:

Given the 2 equations

10x + 7y = - 8 → (1)

7x + 7y = - 14 → (2)

Subtract (2) from (1) term by term to eliminate y

(10x - 7x) + (7y - 7y) = - 8 - (- 14) , that is

3x = 6 ( divide both sides by 3 )

x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

10(2) + 7y = - 8

20 + 7y = - 8 ( subtract 20 from both sides )

7y = - 28 ( divide both sides by 7 )

y = - 4

solution to the system of equations is (2, - 4 )

4 0
2 years ago
The difference of twice a number G and 10 is 24.<br><br> Please help me as I'm stumped! Thank you!
arlik [135]
 Twice the number G is 2×G.
The difference between 2G and 10 is 24.
2G - 10 = 24
2G = 24 + 10
2G = 34
G = 34/2
G = 17
8 0
3 years ago
Read 2 more answers
Write -41.27 as a mixed number.
Salsk061 [2.6K]

Answer:

-41 27/100

Step-by-step explanation:

4 0
2 years ago
How do i write 11 5/8 as an improper fraction
FinnZ [79.3K]
11 5/8 as a improper fraction 

1) Simplify Fraction 
⇒ Multiply denominator with whole number
8 x 11 = 88

⇒ Answer of multiplication and add the numerator 
88 + 5 = 93 

93/8 is improper Fraction. 


8 0
3 years ago
Read 2 more answers
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