2 years ago

Please please please helpppp

Mathematics

1 answer:

frez [133]2 years ago

5 0

840 in 2 hours is the answer

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Answer:

y=x7 X 5

Step-by-step explanation:

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2 years ago

Which ordered pair is a solution of the equation?

liq [111]

Answer:

y=39

Step-by-step explanation:

73-2y=-5

2y=73-(-5)

2y=73+5

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y=78/2

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2 years ago

one third of a land is on maize, a fifth of the remainder is on potatoes and the rest which is 0.5 ha is on beans. how much of t

disa [49]

Answer: $1250\ m^2$

Step-by-step explanation:

Let x= Total land.

Then for Maize = $\dfrac{x}{3}$

For Potatoes = $\dfrac15(x-\dfrac {x}{3})=\dfrac15(\dfrac{2x}{3})=\dfrac{2}{15}x$

For beans = $x- (\dfrac{x}{3}+\dfrac{2}{15}x)=0.5 \ ha$

$\Rightarrow\ x- (\dfrac{5x+2x}{15})=0.5 \ ha\\\\\Rightarrow\ x- (\dfrac{7x}{15})=0.5 \ ha\\\\\Rightarrow\ \dfrac{15x-7x}{15}=0.5 \ ha\\\\\Rightarrow\ \dfrac{8x}{15}=0.5 \ ha\\\\\Rightarrow\ x=0.5\times\dfrac{15}{8} \ ha\\\\\Rightarrow\ x=0.9375 \ ha$

1 ha = 10000.00 m²

0.9375 ha = 9375 m²

Land for potatoes = $\dfrac{2}{15}(9375) =1250\ m^2$

Hence, $1250\ m^2$ of the land is on potatoes.

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2 years ago

3n + 6n -4 = 2n + 2 + 5n

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Answer:

3n +6n-4=2n+2+5n

9n-4=7n+2

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2n=6

n=6÷2

n=3

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2 years ago

A model airplane flew a distance of 330 feet in 15 seconds.

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So whats the question

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2 years ago