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Katena32 [7]
3 years ago
10

Jeff is four years less than twice his nephew's

Mathematics
2 answers:
ira [324]3 years ago
8 0

Answer:

His nephew would be 11.

Step-by-step explanation:

First, you should model the word problem into an equation. This gives you the equation 18=2x-4. Then, you add 4 to both sides of the equation, getting 22=2x. Then, you divide both sides by two, which equals 11, which shows that his nephew is 11 years old. Hope this helped!

Rudiy273 years ago
7 0

Answer:

11

Step-by-step explanation:

18+4=22

22/2=11

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Buns,cost 40p each. Cakes cost 55p each. I spend exactly £4.35 on buns and cakes.
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By solving a linear equation, we conclude that you bought 4 buns and 5 cakes.

<h3>How many of each did I buy?</h3>

We will define the two variables:

  • x = number of buns bought.
  • y = number of cakes bought.

We know that you spent exactly £4.35, then we only need to solve the linear equation:

x*0.40 + y*0.55 = 4.35

We need to solve that equation for x and y, such that the values of x and y can only be positive whole numbers.

We can rewrite the equation as:

y*0.55 = 4.35 - x*0.40

y = (4.35 - x*0.40)/0.55

Now we only need to evaluate it in different values of x, and see for which value of x, the outcome y is also a whole number.

We will see that for x = 4, we have:

y = (4.35 - 4*0.40)/0.55 = 5

So you bought 4 buns and 5 cakes.

If you want to learn more about linear equations:

brainly.com/question/1884491

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Vlad1618 [11]

Answer:

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the extra large pizza contains = 12 slices of pizza.

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A manufacturing company has the following fixed monthly costs and unit variable costs: Rent = $2,200 Utilities = $375 Variable c
valentinak56 [21]

A manufacturing company has the following fixed monthly costs and unit variable costs:

Rent = $2,200

Utilities = $375

Variable costs for materials and assembly = $13.25/unit

Monthly labor = $750

Given is the product is sold at $24.99 per unit

Let the number of units sold be x

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Equation becomes:

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Answer:

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Step-by-step explanation:

In order to find this, we must first start with the base form of point-slope form.

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Now we put the slope in for m and the point in for (x1, y1)

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