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Ainat [17]
3 years ago
9

Simplify and identify this expression: 2x + 3y + x + 7

Mathematics
1 answer:
umka2103 [35]3 years ago
5 0

Answer:

3X + 3Y +7

Step-by-step explanation:

Just combine like terms ( 2X and X)

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The vehicles petrol tank has a capacity of 40 litres. Will the vehicle be able to cover the full distance of 340km with on petro
mixer [17]

The vehicle be able to cover the full distance of 340km with on petrol tank if the petrol usage is 14 km/1.

Since the vehicles petrol tank has a capacity of 40 litres and the bvehicles wants to cover a distance of 340 with a pertol usage of 14 km/l.

We need to determine if the petrol in the tank will be enough to cover that distance.

<h3>Distance</h3>

So, distance = petrol usage × volume of tank

Since

  • petrol usage = 14 km/l and
  • volume of tank = 40 l,

Substituting the values of the variables into the equation, we have

distance = petrol usage × volume of tank

distance = 14 km/l × 40 l

distance = 560 km

Since the distance covered = 560 km which is greater than 340 km, the vehicle will be able to cover the full distance.

So, the vehicle be able to cover the full distance of 340km with on petrol tank if the petrol usage is 14 km/1.

Learn more about distance here:

brainly.com/question/10428039

5 0
2 years ago
The total amount of weight on an elevator cannot exceed 1,800 pounds. a delivery person is on the elevator delivering packages.
HACTEHA [7]

Answer:

p ≤ 8

Step-by-step explanation:

Given the following :

Maximum weight elevator can hold ≤ 1800

Weight of delivery person and packages = 520 pounds

Average weight of a person = 160 pounds

Inequality to show how many additional people elevator can hold?

(weight of delivery person and packages + average weight of persons * number of persons) ≤ 1800

Let p = number of persons

(520 + 160p) ≤ 1800

160p ≤ 1800 - 520

160p ≤ 1280

p ≤ 1280 / 160

p ≤ 8

8 0
4 years ago
Find the value of x in the equation √ x + 5 = √ x + 45.
Ivanshal [37]
There is no solution since 5 doesn't equal 45
8 0
3 years ago
How do you solve -1/2 (-3/2 + 6x +1) -3x?
Delicious77 [7]
1/2 ( -3/2 + 6x + 1) - 3x 

Simplify:
= 1/2 (-1/2 + 6x) - 3x

Apply distributive property:
= -1/4 + 3x -3 x

Simplify:
= -1/4

8 0
4 years ago
A box of granola contains 16.8 ounces. It costs $5.19. What is the cost, to the nearest cent, of the granola per ounce?
Keith_Richards [23]

Answer:

$0.3 per ounce.

Step-by-step explanation:

5.19/16.8=0.3

5 0
3 years ago
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