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3 years ago

Please help!! markup and markdown word problems.

Mathematics

1 answer:

faust18 [17]3 years ago

3 0

Answer:

12, 1260

Step-by-step explanation:

Andrew paid $10 for a burger. The burger had a discount of 20%. This means that the $10 is 80% of the original price.

100% - 80% = 20%

To find the original price, you can multiply by 120%

10 * 120% = 12

Abby Matthews needs to mark up a refrigerator that costs $900 to 140% of the original price. To do this, you can directly multiply.

900 * 140% = 1260

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Solve the equation. X+3.5 = 10 A.X = 13.5 B. X = 7.5 C. X = 6.5 D. X = 30.5

Juliette [100K]

Answer:

the answer is C

Step-by-step explanation:

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3 years ago

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If u = (1,3) and v=(2,6) find u + v

Alchen [17]

Answer:

Third option <3, 9>

Step-by-step explanation:

u and v are two vectors and we know the Cartesian components of these vectors.

We must find the sum of u + v.

If we have the Cartesian components of both vectors then the sum of both is done by adding the components of u with the components of v.

$u = \\v =$

$u + v = (1 + 2) i + (3 + 6) j$

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Then u + v is

$u + v = (3) i + (9) j$

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3 years ago

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Solve for y 4x + 4y = -36

Bad White [126]

uhhhh the answer is -9 I think

4 0

3 years ago

How do you solve this? Thank you

netineya [11]

Answer:

x = 28y

Step-by-step explanation:

1. To solve this equation, we have to try to isolate the variable x/solve for x.

2. (Solving)

Step 1: Simplify.

$\frac{1}{4}x + 2y = 9y$

Step 2: Subtract 2y from both sides.

$\frac{1}{4}x + 2y - 2y = 9y - 2y$
$\frac{1}{4}x = 7y$

Step 3: Multiply both sides by 4.

$\frac{1}{4}x * 4 = 7y * 4$
$x = 28y$

Therefore, x = 28y! I hope this helped you out.

3 0

3 years ago

Solve the inequality - 3 ( x - 5/3 ) <26

matrenka [14]

Answer:

x < 21

Step-by-step explanation:

to solve this - 3 ( x - 5/3 ) <26 inequality

- 3 ( x - 5/3 ) <26

- ( x - 5) = 26

x + 5 = 26

x = 26 - 5

x = 21

therefore x < 21

6 0

3 years ago