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antoniya [11.8K]
3 years ago
15

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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What is the equation of this graph
user100 [1]

Answer:

y-1=x^2

Step-by-step explanation:

That is the equation of a parabola with vertex at (0,1). The equation is y-1=x^2.

3 0
3 years ago
Express your answer in scientific notation.<br> 1.8x 10^-2 – 3.9 x 10^-3 =
DIA [1.3K]

Answer:

1.41 x 10^-2

Step-by-step explanation:

1.8 x 10^-2 - 3.9 x 10^-33 = 18 x 10^-3 - 3.9 x 10^-3

                                        = (18-3.9) x 10^-3

                                        = 14.1 x 10^-3

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Comment below if you have any questions! If you could mark this answer as the brainliest I would appreciate it!

4 0
3 years ago
Describe how to transform the quantity of the fifth root of x to the seventh power, to the third powerinto an expression with a
geniusboy [140]
(\sqrt[5]{x^{7}})^{3}=(x^{\frac{7}{5}})^{3}=x^{\frac{7\cdot3}{5}}=x^{\frac{21}{5}}

The root is equivalent to a fractional power with that number as the denominator. Otherwise, the rules of exponents apply.
7 0
3 years ago
Simplify:<br> {[(16 ÷ 4) × (2 × 6)] ÷ 6} + 4 =
borishaifa [10]

Answer:

12

Step-by-step explanation:

divided 16 by 4 which is 4. then multiply 2 by 6, which is 12. then multiply 4 by 12. Remember to always do ( ) first. 4 by 12 is 48. Then do 48 divided by 6 which is 8. then add 8+4 which is 12.

4 0
3 years ago
How do I find the value of x?
Rzqust [24]
To find the value of x , bring the variable to the left side and bring all the remaining values to the right side. simplify the values to find the result.
7 0
3 years ago
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