3 years ago

How to simplify to create an equation

1 answer:

7 0

You want to distribute and then combine the like terms, as per order of operations. Start by multiplying the 2 by -n and -3, so you get -2n-6. Then distribute the -7 to the 5 and 2n, so you get -35-14n. Combine your n’s and constants, and get -16n-41

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Decrease 50 by 60% please

Whitepunk [10]

Answer:

50, percentage decreased by 60% (percent) of its value = 20

Step-by-step explanation:

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3 years ago

A farmer is going to divide her 30 acre farm between two crops. Seed for corn costs $15 per acre. Seed for wheat costs $30 per a

Deffense [45]

Answer:

$3200

Step-by-step explanation:

The total area of land is 30 acre. Let x represent the area in acre that corn is planted and y represent the area in acre that wheat is planted. Therefore:

x + y = 30 (1)

Also, the farmer can spend at most $750 on seeds. Corn cost $15 per acre, maize cost $30 per acre. Hence:

15x + 30y ≤ 750 (2)

Also, x and y > 0

The profit is given by the function:

Profit = 100x + 110y

Graphing equation 1 and equation 2 and solving, we get the points:

(10, 20)

Hence the maximum profit is at:

Max profit = 100(10) + 110(20) = $3200

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3 years ago

Question 13 * A farmer can plant 45 kg of peanuts on 4,000 square metres of land. Which of the following represents the number o

shtirl [24]

Answer: 765/8

Explanation: your mom told me lastnight

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2 years ago

Read 2 more answers

Maria has $5.00 more than José. Together they have. $37.50.

Soloha48 [4]

Answer:

Step-by-step explanation:

32.50 dollar

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3 years ago

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a carpet is laid on a rectangular floor which measures 4meters by 5meters. if the carpet covers 60% of the floor find the area o

Yuri [45]

Answer:

12 m²

Step-by-step explanation:

Area of the floor:

area = length * width

area = 4 m * 5 m

area = 20 m²

area of carpet = 60% of area of the floor

area of carpet = 0.6 * 20 m²

area of carpet = 12 m²

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3 years ago