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mixas84 [53]
3 years ago
11

A deli charges the same price, $5.40, for all of its different sandwiches. If a company ordered n sandwiches for a luncheon, whi

ch equation could be used to find the total price, P, that the deli charged for the sandwiches?
Mathematics
1 answer:
zaharov [31]3 years ago
6 0
P=5.40n It is the correct answer
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An airplane flying with the wind can cover a certain distance in 2 hours. The return trip against the wind takes 2.5 hours. Find
Anna [14]

Answer:

Wind speed = 30 mph

Plane speed = 270 mph

Step-by-step explanation:

Given that :

Distance = 600 miles

Let speed of airplane = a ; speed of wind = b

Net speed ; with wind = a + b

Net speed against wind = a - b

Time taken with wind = 2 hours

Time taken against wind = 2.5 hours

Recall :

Speed = distance / time ; distance = speed * time

(a + b) * 2 = (a - b) * 2.5

2a + 2b = 600

a + b = 300 - - - (1)

a = 300 - b

2.5a - 2.5b = 600

a - b = 240 - - - (2)

300 - b - b = 240

300 - 2b = 240

-2b = - 60

b = 30

a = 300 - 30

a = 270

Wind speed = 30 mph

Plane speed = 270 mph

4 0
2 years ago
What of the following best describe XW
Anastasy [175]

Answer:

angle bisector..... I think

6 0
3 years ago
Jody packs:
dybincka [34]

Answer:

C

Step-by-step explanation:

srslly its easy just look at it

4 0
3 years ago
Angles 1 and 2 are supplementary. Angle 2 is 1/5 the size of angle 1. What are the degree measurements of each angle?
Readme [11.4K]

Answer:

the stated ratio means that of the 180 degrees involving two supplementary angles, the smaller angle is one sixth of that whole. Thus the smaller angle measures 30 degrees & the larger measures 150 degrees.

Step-by-step explanation:

5 0
3 years ago
X and y vary directly and x=6 when y=42, find k. What is y when x=12?
Artyom0805 [142]
Since x and y are directly proportional ,  so x = ky

6 = 42k
k = 6/42 = 1/7

12= (1/7)y
y = 84
8 0
3 years ago
Read 2 more answers
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