2 years ago

Describe different situations in the real world that could be modeled and solved by a system of equations in two variables.

Mathematics

1 answer:

andrey2020 [161]2 years ago

4 0

solved by a system of equations in two variables.

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a cow is tied to a pole fixed at the mid-point of a side of a square field of side 40m by means of a 14m long rope find the area

svp [43]

Step-by-step explanation:

The area that cow can graze is in the form of semicircle.

Radius of semicircle

Length of rope =14 m

Required area = 1/2 ×πr

=1/2×22/7×r^2

=1/2×22/7×14×14

=308m2

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3 years ago

What is an equation that can be written with 10x+5y=20 to form a pair of linear equations

Lady bird [3.3K]

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3 years ago

-23z7+(-3a) simplify

Brums [2.3K]

The answer would be -161z-3a

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3 years ago

A home is to be built on a 56 foot 9 inch wide lot. The house is 5 feet 5 inches from the side of the lot and is 34 feet 10 inch

Anni [7]

Check the picture below, so the distance of the house from the other side is that blue gap.

so, there are 12 inches in 1 foot, so let's just convert all those feet to inches and subtract them.

$\bf 56'\implies (56\cdot 12)''\implies 672''
\\\\\\
5'5''\implies (5\cdot 12+5)''\implies 65''
\\\\\\
34'10''\implies (34\cdot 12 + 10)''\implies 418''\\\\
-------------------------------\\\\
672''-(65+418)''\implies 189''\implies 15'9''$

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3 years ago

Read 2 more answers

The length of a vegetable garden is 3 feet longer than its width. If the area of the garden is 130 square feet, find its dimensi

agasfer [191]

Answer:

B. 10 ft. x 13 ft.

Step-by-step explanation:

10 x 13 = 130

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3 years ago