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miskamm [114]
3 years ago
12

A truck can at most be filled with 20 ton. If there are currently 14 ton goods there already, write an inequality representing t

he possible the weight of goods that can be added to the truck, then solve for the most amount of goods that could be added. ___ ton
Mathematics
1 answer:
Rom4ik [11]3 years ago
4 0

Answer:

x + 14 \leq 20, x = 6 ton

Step-by-step explanation:

The truck can be filled with a total of 20 ton.

There are already 14 ton inside the truck, so if we call x the weight of goods that we can still add into the truck, we know that (x+14) must be equal at most at 20. Therefore, the inequality becomes:

x+14\leq 20

Solving it, we find

x\leq 6

which means that the most amount of goods that could be added to the truck is 6 tons.

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5 0
3 years ago
Anil completes the 72km journey between Bristol and Cardiff in 48 minutes. He then drives 69km from Cardiff to Swansea at an ave
Sergeeva-Olga [200]

Step-by-step explanation:

we simply need to get the total distance and the total time and put them into relation, norming it to distance in 1 hour. after all, speed is always an average number over a period of time (even if it is a tiny period of time).

the total distance is

72 + 69 = 141 km

he drove 69 km going 60 km/h.

how much time did he need ?

we need to get the hours out of an expression of km and h.

so, we need to do

69 km × 1/60 km/h = 69 h / 60 = 69 minutes = 1.15 hours =

= 1 h 9 minutes

so, the total time was

48 + 69 = 117 minutes = 117/60 = 1.95 hours

the average speed for the whole trip was then

141 km / 1.95 h = 141/1.95 km / 1 h = 72.30769231... km/h

3 0
2 years ago
Which of the following shows the polynomial below written in descending order?
Ray Of Light [21]

Answer:

D

Step-by-step explanation:

the polynomial written in descending order:

3X^10+X^6+2X^2-4X+8

8 0
3 years ago
The sum of two numbers is 76 and their difference is 52. Find the two numbers.<br> Please explain
Yanka [14]

Step-by-step explanation:

hope it helps first find one number and then multiply one number by 2

6 0
2 years ago
Find two numbers whos diffrence is 16 and the product is 720
antiseptic1488 [7]

Answer:

the numbers who's difference is 16 and the product is 720 is

36 &20

Explanation:

to finding numbers you have to express the equation in a quadratic equation then Factor it.

since the two numbers have a difference of 16 you can say that the first number is x and the second number is x -16 then their product is 720.

x(x-16)=720

x²-16x=720

x²-16x-720=0

(x-36)(x+20)

there are two possible value of x but since you are looking for the positive value of x, choose the positive value of x the first number is 20.

To find the second number

x-16=20

x=20+16

x=36

the second number is 36

<u>Now </u><u>to </u><u>check</u>

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8 0
3 years ago
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