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Ostrovityanka [42]
3 years ago
5

2x+y=4

Mathematics
1 answer:
lara31 [8.8K]3 years ago
3 0

Step-by-step explanation:

2x+y=4 then -6x -3y=-12

||-6x-3y=-12

|| 6x+5y=16

so 2y=4 and y=2

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Kim burns 85 calories per hour hiking. How many calories will Kim burn in h hours?
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7 0
3 years ago
There are 140 members in a community sports program. Sixty-five percent of these members play soccer.
defon
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3 0
3 years ago
your recipe calls for 2 over 3 cups of sugar. you are only making 2 over 4 of the recipe. how much sugar do you need? not simpli
dalvyx [7]

The quantity of sugar required for 2/4 of the recipe is 1/3 cups

<h3>How to solve fraction?</h3>

let

  • x = quantity of sugar needed

Ratio of sugar to recipe

2/3 : 1 = x : 2/4

2/3 ÷ 1 = x ÷ 2/4

2/3 × 1/1 = x × 4/2

2/3 = x × 2

2/3 = 2x

x = 2/3 ÷ 2

x = 2/3 × 1/2

= 2/6

x = 1/3 cups

Therefore, the quantity of sugar required for 2/4 of the recipe is 1/3 cups

Learn more about fraction:

brainly.com/question/11562149

#SPJ1

8 0
1 year ago
Also this question tooo pleease, PS: what topic is this <br> Solve for x.
MrRissso [65]

This falls under geometry. The two labeled angles are congruent, which means the line segment between them (AD in the image) is a bisector of the angle at vertex A. Use the angle bisector theorem, which says that

\dfrac{BD}{DC}=\dfrac{AB}{AC}\iff\dfrac{12}{(5+9x)-12}=\dfrac{15}{25}

\dfrac{12}{9x-7}=\dfrac35

20=9x-7

x=3

8 0
2 years ago
Solve <br> 4x+5x-27=15-12x
Aleks [24]

Answer:

x=2

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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