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andrew-mc [135]
2 years ago
11

What is the slope of the line through (-3, 3) and (-1, -1)?

Mathematics
1 answer:
Vladimir79 [104]2 years ago
3 0

Answer:

The slope is -2

Step-by-step explanation:

To find the slope, we can use the slope formula

m = ( y2-y1)/(x2-x1)

    = (-1 -3)/(-1 - -3)

   = ( -1-3)/(-1+3)

   = -4/2

   = -2

The slope is -2

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Can anyone help me with this please???
yanalaym [24]
Triangle = 3, Square = -1, Star = 5
8 0
2 years ago
In 4 ​minutes, a conveyor belt moves 800 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt
kkurt [141]

Answer:

It takes 2 minutes 4 seconds to move the cans to storage area if both the belts are used.

Step-by-step explanation:

Given - In 4 ​minutes, a conveyor belt moves 800 pounds of recyclable

            aluminum from the delivery truck to a storage area. A smaller belt

            moves the same quantity of cans the same distance in 6 minutes.

To find - If both belts are​ used, find how long it takes to move the cans

              to the storage area.

Proof -

Given that,

Larger belt take 4 minutes to transfer the aluminium from delivery truck to storage area.

⇒ Time taken by Larger belt = 4 min/ shifting

Also,

Smaller belt take 6 minutes to transfer the aluminium from delivery truck to storage area.

⇒ Time taken by Smaller belt = 6 min/ shifting

Now,

As we know that Time is inversely proportional to time, so

Rate of Larger Belt = \frac{1}{4} shifting/min

Rate of Smaller Belt = \frac{1}{6} shifting/min

Now,

Let us assume that , if both belts used then,

Total time taken = x min/shifting

Then, Rate = \frac{1}{x} shifting/min

Now,

\frac{1}{4}  + \frac{1}{6}  = \frac{1}{x}

⇒\frac{6 + 4}{24} = \frac{1}{x}

⇒\frac{10}{24} = \frac{1}{x}

⇒10x = 24

⇒x = \frac{24}{10} = 2.4 minutes

∴ we get

It takes 2 minutes 4 seconds to move the cans to storage area if both the belts are used.

3 0
2 years ago
Describe how to find the selling price of an item that has been marked up 110%
ANEK [815]

Answer:

Step-by-step explanation:

The original price on the item is the price before a markup of 110% of this original price:

original price + 1.10(original price) = 2.10(original price)

6 0
3 years ago
Carpeting costs 9.99 a yard. If jan buys 17.4 yards, how much will it cost her (round your anwser to the nearest hundreth
aalyn [17]
To get the answer, multiply 9.99 x 17.4 yards. That will give you the answer 173.826. That rounds to 173.83
4 0
3 years ago
Ramesh buys 10 containers of juice from one shop and 18 containers of the same juice
MrRa [10]

4200

Step-by-step explanation:

10 × 150 = 1500

18 × 150 = 2700

So

1500 + 2700 = 4200

6 0
3 years ago
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