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3 years ago

Help a girl out 1/2x = 3

Mathematics

2 answers:

JulijaS [17]3 years ago

6 0

Multiply both sides by 2 and get:
1x=6
divide by 1 which is:
x=6

Amiraneli [1.4K]3 years ago

3 0

0.5x=3

x = 3/0.5

(you can use your calculator)

x=6

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A battery was charged. When the changing began, it was 23 percent full. After 30 minutes of charging, the battery was 89 percent

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Attached the solution and work.

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3 years ago

The coordinates below lie on the line with the given slope. find the missing coordinate value. (2,2) (5,y) slope = 2

vodka [1.7K]

Step-by-step explanation:

Hey there!

The given points are; (2,2) and (5,y).

Slope (m) =2

Using formula for slope, we get;

$m = \frac{y2 - y1}{x2 - x1}$

Put all values.

$2 = \frac{y - 2}{5 - 2}$

Simplify it to get value of"y".

$2 = \frac{y - 2}{3}$

$6 = y - 2$

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Therefore, y= 8.

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4 years ago

suppose you flip a coin twice. what is the probability that you get tails on the first flip and tail on the second flip?

Nezavi [6.7K]

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4 0

3 years ago

Read 2 more answers

Stan's cookie recipe makes 24 cookies and calls for exactly 384 sprinkles. He is wondering how many sprinkles (p)eft parenthesis

OLEGan [10]

Answer:

960 sprinkles

Step-by-step explanation:

x = sprinkles

For this problem we will create a ratio

$\frac{24}{384} :\frac{60}{x}$

24x=384*60

24x=23,040

x=23,040/24

x=960

Stan would need 960 sprinkles!

Hope this helps!

(pls mark as brainiest)

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5 0

3 years ago

Read 2 more answers

The length of one side of a square is (x + 2 1/4). If the perimeter is 14 units, what is the area?

Stels [109]

The perimeter is the total of adding all of the side lengths together.

A square has 4 equal side lengths.

So the perimeter of a square is:

P = s + s + s + s or P = 4s

[P = perimeter s = side lengths of the square]

Since you know the side length of the square is (x + 2 1/4), you can replace s with (x + 2 1/4)

P = 4s

P = 4(x + 2 1/4) Multiply 4 into (x + 2 1/4)

P = 4x + 8 4/4

P = 4x + 9

Since you know the perimeter, you can plug it in.(you could have also plugged it in in the beginning)

P = 4x + 9

14 = 4x + 9 Subtract 9 on both sides

5 = 4x Divide 4 on both sides

5/4 = x

Now that you know x, find the side length of the square.

(x + 2 1/4)

(5/4 + 2 1/4)

2 6/4 = 3 2/4 = 3 1/2 units or 3.5 units

To find the area of a square, you multiply 2 of the sides together:

A = s · s

A = 3.5 · 3.5

A = 12.25 units²

7 0

3 years ago