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bagirrra123 [75]
2 years ago
10

12x > 10(2x-3) -10

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
7 0

Answer:

no

Step-by-step explanation:

12x-20x=-8x

so it would be -8x>-40

and you would divide both sides by -8

and get x<5

sammy [17]2 years ago
6 0

Answer:

x < 5

Step-by-step explanation:

12x > 10(2x - 3) - 10 ← distribute parenthesis and simplify right side

12x > 20x - 30 - 10

12x > 20x - 40 ( subtract 20x from both sides )

- 8x > - 40

Divide both sides by - 8, reversing the symbol as a result of dividing by a negative quantity.

x < 5

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Suppose that 24% of the students in the first group answered yes and that 73% of the students in the second group answered yes.
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Answer:

Price Discrimination OR Law of Demand; according to the complete question.

Step-by-step explanation:

24% of the students in the first group answered yes.

73% of the students in the second group answered yes.

More students in the second group were willing to pay $75 for the pair of jeans BECAUSE they were told that the normal price was much higher.

From this information, I guess that the first group was told (by the jeans vendor probably) that the $75 was higher than the normal price of the jeans. This will be the reason why a lesser percentage of students in Group A are willing to purchase the pair of jeans.

This is an example of PRICE DISCRIMINATION effect on decision making. Price discrimination is used in product marketing.

The same pair of jeans in Situation A cost higher than the normal price while in Situation B it cost lower than the normal price. Even though the figure given is static at $75 in both cases, the data that follows in the question tells it as 2 different prices; one favourable to the buyers and another not so favourable to the buyers.

The LAW OF DEMAND also applies here. The higher the price, the lesser the quantity demanded (by a group of students) and the lower the price, the higher the quantity demanded.

5 0
2 years ago
What is this math problem? -15a=17
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Answer:

17 67899887753 o

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A recipe for cookies calls for 2⁄3 of a cup of chocolate chips and 4 cups of flour. If you want to make a bigger batch, using 6
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(8+t)^3-6<br><br>t=2<br><br>(3 is an exponent)<br><br>The value is:
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Answer:

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Step-by-step explanation:

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2 years ago
Chapman’s brickyard sells bricks and blocks. A brick costs $0.38 and a block costs $1.56. The brickyard filled a $24.80 order, w
Ludmilka [50]

Answer:

a) \left \{ {{0.38x+1.56y=24.80} \atop {x+y=28}} \right.

b) 12 blocks and 16 bricks.

Step-by-step explanation:

Let x represent the number of bricks and y represent the number of blocks.  Each brick costs $0.38; this gives us the expression 0.38x.  Each block costs $1.56; this gives us the expression 1.56y.  Together they totaled $24.80; this gives us the equation

0.38x + 1.56y = 24.80

We also know that the number of bricks, x, added to the number of blocks, y, totaled 28; this gives us

x + y = 28

To solve this, we will use substitution.  First we will isolate x in the second equation by subtracting y from each side:

x + y = 28

x + y - y = 28 - y

x = 28 - y

Now we substitute this in place of x in the first equation:

0.38(28 - y) + 1.56y = 24.80

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0.38(28) - 0.38(y) + 1.56y = 24.80

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Combining like terms gives us

10.64 + 1.18y = 24.80

Subtract 10.64 from each side:

10.64 + 1.18y - 10.64 = 24.80 - 10.64

1.18y = 14.16

Divide both sides by 1.18:

1.18y/1.18 = 14.16/1.18

y = 12

There were 12 blocks sold.

Substituting this into the second equation gives us

x + 12 = 28

Subtract 12 from each side:

x + 12 - 12 = 28 - 12

x = 16

There were 16 bricks sold.

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3 years ago
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