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marta [7]
3 years ago
13

In a population of 2000 students, 230 are left-handed. A random sample of size

Mathematics
1 answer:
kow [346]3 years ago
8 0
11.5% is the correct answer
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The parabola y = x² - 4 opens: <br> A.) up <br> B.) down<br> C.) right<br> D.) left
fomenos

Answer:

Up

Step-by-step explanation:

Here the easy rules to remember the orientation of the parabolas are

a) If x is squared it opens up or down. And its coefficient of {x^{2}[tex] is negative it opens down.b) If y is squared it opens side ways right or left. It its coefficient of [tex]y^{2}

Hence in our equation of parabola

y = x^ 2-4

x is squared and its coefficient is positive , hence it opens up towards positive y axis.

3 0
2 years ago
Given that R = 4 x + 8 y Find y when x = 4 and R = 32
victus00 [196]

R = 4 x + 8y [ Given ]

when ,

x = 4 and R = 32

★ Substituting the values

=> 32 = 4 × 4 + 8y

=> 32 = 16 + 8y

=> 8y = 32 - 16

=> 8y = 16

=> y = 8/16

=> y = 2

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3 years ago
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I have 10 apples, I give away 2, how many apples do I have left
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This would be 10-2 which would equal 8
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Shannon wants to buy cupcakes for her friend's birthday party. The bakery she goes to sells cupcakes for $3.50 each. The bakery
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Answer:

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