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GalinKa [24]
2 years ago
14

Notebooks cost $ 1.20 each. This weekend they will be on sale for $ 0.80. What percentage is the sale

Mathematics
2 answers:
myrzilka [38]2 years ago
8 0
If you mean what was the percentage of how much lower it got, I think about 32%. Somewhere around there
Schach [20]2 years ago
6 0
So sale is x% off
find how much was taken off
1.20-0.80=0.40

so find what 0.4 out of 1.20 is
0.4/1.2=4/12=1/3=33.33%


so the sale is 33.33% off
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What x values would be good to use so she does not get fractions for her y values when making the table of ordered pairs.
Ber [7]

Answer:

-3, 0, 3

Step-by-step explanation:

Given, y = -\frac{4}{3}x + 2, the set of x values that will make Kayda not to get y values that are not fraction are -3, 0, 3.

This is so, because,

when x = -3, y = -\frac{4}{3}(-3) + 2 = \frac{12}{3} + 2 = 4 + 2 = 6

when x = 0, y = -\frac{4}{3}(0) + 2 = -0 + 2 = 2

when x = 3, y = -\frac{4}{3}(3) + 2 = \frac{-12}{3} + 2 = -4 + 2 = -2

The correct response is -3, 0, 3

5 0
3 years ago
In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Mica
Veronika [31]

Answer:     6.75% which rounds up to 7%

Step-by-step explanation:

5 0
2 years ago
Which of the following ordered pairs in a solution of the equation y equals negative 4 x squared​
Jlenok [28]

Answer:

Step-by-step explanation:

The equation is y = -4x²

Next time, please share the answer choices.

Here's a short table of possible solutions:

x     -x²    (x, y)

-----  ------  ---------

 0       0    (0, 0)

2      -4     (2, -4)

-3     -9      (-3, -9)

6 0
3 years ago
For party decorations, you buy 6 rolls of crepe paper and 20 balloons for $11.90. After you start decorating, you determine that
Morgarella [4.7K]

Answer:

Find out the  how much did each roll of crepe paper cost .

To prove

Let us assume that the cost of the  roll of crepe paper be x.

Let us assume that the cost of the balloon be y .

As given

For party decorations, you buy 6 rolls of crepe paper and 20 balloons for $11.90.

Than the equation becomes

6x + 20y = 11.90

As given

After you start decorating, you determine that you need more party decorations.

You buy 2 more rolls of crepe paper and 15 more balloons for $6.05.

Than the equation becomes

2x + 15y = 6.05

Than two equations are

6x + 20y = 11.90 and 2x + 15y = 6.05

Multiply 2x + 15y = 6.05 by 3 and subracted with 6x + 20y = 11.90

6x - 6x + 45y -20y = 18.15 - 11.90

25y = 6.25

y = \frac{6.25}{25}

y = $0.25

Put in the equation 2x + 15y = 6.05

2x + 15 × 0.25 = 6.05

2x = 6.05 - 3.75

2x = 2.3

x = \frac{2.3}{2}

x = $1.15

Therefore the each roll of crepe paper cost is  $1.15 .

6 0
3 years ago
Read 2 more answers
What can you conclude about the color of the l-bow roni box? helpppppppp
Kazeer [188]

Assuming that the p-value of the color of L-Bow Roni box is below the significance level, the result would be statistically significant and vice-versa.

<h3>What is a confidence interval?</h3>

A confidence interval simply refers to a range of estimated values that defines the probability that a population parameter would fall or lie within it.

In this scenario, we can infer and logically conclude that the p-value of the color of L-Bow Roni box falls below the significance level. Consequently, the result obtained would be statistically significant.

Read more on confidence interval here: brainly.com/question/25779324

#SPJ1

8 0
2 years ago
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