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Ivenika [448]
3 years ago
15

How can bar diagrams be used to model numerical expressions

Mathematics
2 answers:
vesna_86 [32]3 years ago
5 0
A bar diagram can be used to represent algebraic expressions or to give examples.
Montano1993 [528]3 years ago
3 0

Answer:

2

Step-by-step explanation:

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Which statement describes the graph of the system of equations below?
insens350 [35]
1.5x + 0.2y = 2.68....multiply by 0.3
1.6x + 0.3y = 2.98...multiply by - 0.2
------------------------
0.45x + 0.06y = 0.804 (result of multiplying by 0.3)
- 0.32x - 0.06y = - 0.596 (result of multiplying by - 0.2)
----------------------add
0.13x = 0.208
x = 0.208/0.13
x = 1.6

1.5x + 0.2y = 2.68
1.5(1.6) + 0.2y = 2.68
2.4 + 0.2y = 2.68
0.2y = 2.68 - 2.4
0.2y = 0.28
y = 0.28/0.2
y = 1.4

solution (they intersect at) (1.6,1.4)
8 0
3 years ago
Read 2 more answers
When P it was $55 how many units well the profit maximizing firm supply to the market a 30 be 40 C 50 D 16
topjm [15]

Answer:

C. 50

Step-by-step explanation:

Here we have to look at the given graph and find the answer.

The vertical axis represents the price and cost per unit. That is represented by P.

The horizontal axis represents the units of output, that is represented by q.

We need to find the number of units when p = $55.

By look at the graph of the curve MC, when P = $55, the number of units is 50.

Therefore, the answer is C. 50.

Hope this will helpful to understand the concept.

Thank you.

7 0
3 years ago
Find the difference. (9x^2-2x+7)-(+4x-1)
allochka39001 [22]

Answer:  9x^2 - 6x + 8

Step-by-step explanation:

(9x^2 - 2x + 7) - (4x - 1)     Subtract like terms

The term 9x^2 doesn't have any other term so it will stay alone.

-2x - 4x  = - 6x

7 - (-1) = 8

Put them together to get  9x^2 - 6x + 8  

5 0
3 years ago
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borishaifa [10]

first you divide 1.2 by its self because you need to get 1 pound. 1.2 / 1.2 = 1

now that you have one pound, you divide 11.82 by 1.2 = 9.85

3 0
3 years ago
If each side of a regular pentagon equals 4 feet what is the perimeter
coldgirl [10]
In a regular polygon, all of the sides have the same length.

Pentagons have five sides. If one of the sides in a regular pentagon is 4 feet, then the rest will also be four feet. 5 sides that are all 4 feet long totals up to a 20-foot perimeter.
4 0
4 years ago
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