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Elis [28]
3 years ago
13

2x+3y=9 2x+y=7 simultaneous equation

Mathematics
1 answer:
Marat540 [252]3 years ago
3 0

Answer:

x=3 and y=1

Step-by-step explanation:

subtract equation 2 from 1

then (2x+3y) -(2x+y) =9-7

2x-2x+3y-y =2

2y=2 therefore y=1

substitute y value in 2x+y=7

2x+1=7

2x=7-1

2x=6

x=3

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Step-by-step explanation:

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An object is dropped from the top of a tower with a height of 1180 feet. Neglecting air​ resistance, the height of the object at
Arisa [49]

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6 0
3 years ago
11 4/5 divided by 3 1/5 estimation
pychu [463]

The required estimation of 11 4/5 divided by 3 1/5 is 4.61.

Given that,
To determine the estimation of 11 4/5 divided by 3 1/5.

<h3>What is arithmetic?</h3>

In mathematics, it deals with numbers of operations according to the statements.

In the given question we have given, 2 mixed fractions we have to determine the simplified fraction by dividing one from the other, as stated in the question.

Simplification,

11 + 4 / 5 = 59 / 4
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11 4/5 divided by 3 1/5 estimation,
=  ( 59/4 ) / (16 / 5)
= 59 * 5 / 4 * 16
= 4.61

Thus, the required estimation of 11 4/5 divided by 3 1/5 is 4.61.

Learn more about arithmetic here:

brainly.com/question/14753192

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3 0
2 years ago
If the width of a rectangle with periemter is P is 6 units what is its length
Hoochie [10]

Answer:

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Step-by-step explanation:

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Hopefully this helps- let me know if you have any questions!

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Step-by-step explanation:

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