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Thepotemich [5.8K]
3 years ago
8

The difference between two numbers is 3. The sum of the same tow numbers is 13. What is the

Mathematics
1 answer:
Ber [7]3 years ago
6 0

Answer: 40

Step-by-step explanation:

Let the two numbers be a and b.

Therefore,

a - b = 3 ....... i

a + b = 13 ....... ii

From equation I, a = 3 + b

Put a = 3+b into equation ii

a + b = 13

3 + b + b = 13

3 + 2b = 13

2b = 13 - 3

2b = 10

b = 10/2

b = 5

Since a = 3 + b

a = 3 + 5

a = 8

The product of the numbers will be:

= 8 × 5

= 40

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Jason compares the price of oranges at 4 stores,
prisoha [69]

Answer/Step-by-step explanation:

To Find the best price divided each

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Ingles → 1.02/3=0.34

Walmart → 2.46/6=0.41

Base on the data we can tell that Ingles have the best price.

7 0
2 years ago
Can I get help with this math question plz thx
lidiya [134]

Answer:

1/5.

Step-by-step explanation:

There are 5 sections. 2 green 1 yellow, and one red. There is only one yellow and red, so to land on yellow red the answer would be 1/5, if you wanted to land on a green, therefore the answer would be 2/5. :>

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3 years ago
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Points A, B, and C are collinear. Point B is between A and C, AC=15a-5 , AB=10a+6, and BC=3a+11. Find AB
sdas [7]

Answer:

I bet you're smarter than me so you can figure it out

Step-by-step explanation:

good thing you aint like me

7 0
3 years ago
You are a volunteer at a physical therapy clinic. a set of stairs you use to help patients is shown with it's dimensions. What i
vazorg [7]
The volume formula is area of base×height. In this case, we are working with rectangles, so the formula is l×w×h. We have to find the volume of each block and add them together. Top rectangle: 12×30×4=1440. Middle rectangle: 30×36×4=4320. Bottom rectangle: 30×60×4=7200. 7200+4320+1440=12960 inches squared.
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3 years ago
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rjkz [21]
This whole problem rests on one thing:
Do you know the formula for the volume of this kind of shape ?
If you do, then the problem is easy.  If you don't, then it's impossible.

This is the shape of a book, an ice cube, a brick, or a slab.

The volume is always

                          (length) x (width) x (height)           (in any order) .

They all have to be in the same unit, and then the volume
is in the cubic-(...) of that unit.

In this picture, there's a tiny hiccup with the units ... the length and
the width are in meters, but the height is in centimeters, so you need
to change that one to meters before you can multiply them.

Notice right above the picture, it reminds you that 

                                         (1 meter = 100 centimeters) .

So the height of the slab (10 cm) is the same as 0.1 meter.

Now you have all 3 of the dimensions in meters, so you're
ready to multiply them and get the volume.

           Volume  =  (length) x (width) x (height) 

                         =  ( 8 m )  x  ( 6 m )  x  ( 0.1 m )

                         =            4.8 cubic meters .

Question: 
Does Meg have enough concrete to make the slab
with the dimensions shown ?

Answer:  Yes .

Explanation:
Meg mixed 5 cubic meters of concrete.
She needs 4.8 cubic meters to pour the floor with those dimensions.
She has enough concrete to do the job.
All she needs is the whole football team to come over and help her
     pour, smooth, and finish it.  Concrete is hard hard work !
             
4 0
3 years ago
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