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3 years ago

How many cubed with side lengths 1/2 cm does it take to fill the prisim?

Mathematics

1 answer:

Ratling [72]3 years ago

7 0

24 cubes. Hope this helps.

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John sells hamburgers ($3) and cheeseburgers ($3.50). One afternoon he sells a total of 24 burger for $79. How many of these wer

ankoles [38]

John sold 10 hamburgers and 14 cheeseburgers.

Step-by-step explanation:

Given,

Cost of one hamburger = $3

Cost of one cheeseburger = $3.50

Total burgers sold = 24

Total revenue earned = $79

Let,

Number of hamburgers sold = x

Number of cheeseburgers sold = y

According to given statement;

x+y=24 Eqn 1

3x+3.50y=79 Eqn 2

Multiplying Eqn 1 by 3

$3(x+y=24)\\3x+3y=72\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(3x+3.50y)-(3x+3y)=79-72\\3x+3.50y-3x-3y=7\\0.50y=7$

Dividing both sides by 0.50

$\frac{0.50y}{0.50}=\frac{7}{0.50}\\y=14$

Putting y=14 in Eqn 1

$x+14=24\\x=24-14\\x=10$

John sold 10 hamburgers and 14 cheeseburgers.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

3 0

3 years ago

If you add Natalie's age and Fred's age, the result is . If you add Fred's age to times Natalie's age, the result is . Write

Reika [66]

Answer:

how old are they im confused

Step-by-step explanation:

8 0

3 years ago

Solve for x.<br><br> 12 = x + 3 X=_____

alexandr1967 [171]

For this case we must find the value of the variable "x" of the following equation:

$12 = x + 3$

So, we follow the steps:

Subtracting 3 from both sides of the equation we have:

$12-3=x+3-3$

Different signs are subtracted and the sign of the major is placed:

$9 = x\\x = 9$

Thus, the value of x is 9.

Answer:

$x = 9$

5 0

3 years ago

Expanded form for 2.918

timurjin [86]

There's an infinite number of ways to represent 2.918 in expanded form, for example:

0.02918 * 10^2
0.002918 * 10^3
0.0002918 * 10^4
0.00002918 * 10^5

etc.

8 0

4 years ago

Solve for x <br>4x+6=11x-6

denpristay [2]

7x = 12

x = 12/7

You can’t simplify it further, so it’s the answer

6 0

3 years ago