3 years ago

Please answer this correctly

Mathematics

1 answer:

Lisa [10]3 years ago

6 0

Answer:Jeff's restaurant

Step-by-step explanation:

I'm pretty sure its right

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The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown. Step 1: –c = ax2 + bx

Goshia [24]

Answer:

Subtract c from each side, using the subtraction property of equality

Step-by-step explanation:

0 = ax^2 + bx + c

Subtract c from each side, using the subtraction property of equality

-c = ax^2 + bx + c-c

-c = ax^2 + bx

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Answer:

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How to write a decimal number in two hundred ten thousand, fifty and nineteen hundredth

Vladimir [108]

Two hundred ten thousand and fifty is written as 210,050

Nineteen-hundredths is written as 19/100 or 0.19

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Factor the expression completely:<br> x⁴ + 27x

il63 [147K]

I dont know if this is right but here u goo

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An investment website can tell what devices are used to access their site. The site managers wonder whether they should enhance

lbvjy [14]

Answer: a) Unimodal and symmetric

b) 0.26

c) 0.038

Step-by-step explanation:

Given: Sample size of investors (n)= 131

True proportion of smartphone users(p) =26%

a) Since sampling distribution for the sample proportion is approximately normal when n is larger.

Normal distribution is Unimodal and symmetric.

So correct option : Unimodal and symmetric

b) mean of this sampling distribution = p = 0.26

c) standard deviation of the samplingdistribution = $\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.26\times (1-0.26)}{131}}=\sqrt{0.00146870229008}$

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