3 years ago

Eje cartesiano y=-x+7 2

Mathematics

1 answer:

victus00 [196]3 years ago

8 0

Answer:

Step-by-step explanation:

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John davis, a manager of a supermarket, wants to estimate the proportion of customers who use food stamps at his store. he has n

8_murik_8 [283]

Answer:

1509

Step-by-step explanation:

We know that, formula for number of samples is,

$n= \frac{z^2 \times p \times q}{SE^2}$

When nothing is given, we take $p=0.5$ and we know that $q = 1-p=0.5$ .

SE = 0.03 (the true proportion should remain withing 3%)

Putting the values we get,

$n= \frac{(2.33)^2 \times 0.5 \times 0.5}{(0.03)^2}$

$n= \frac{5.4289 \times 0.5 \times 0.5}{0.03 \times 0.03} \approx 1509$

Therefore, the sample required to estimate the true proportion to within 3 percentage points is 1509.

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3 years ago

What is the equation of the following line written in slope intercept form

pentagon [3]

Answer:

The equation can be y = -7x+11

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3 years ago

2) MULTIPLE CHOICE: Find the value of y in the triangles.

alexandr1967 [171]

The answer is D because if you use the formula perfectly

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3 years ago

I'll give brainliest to whoever answers the question correctly!!

yulyashka [42]

Answer:

Step-by-step explanation:

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3 years ago

Show that 64 can be written as either 2^6 or 4^3

lord [1]

Answer:

Step-by-step explanation:

2^6 because

2 times 2 times 2 times 2 times 2 times 2 is 64

2 times 2 is 4 times 2 is 8 times 2 is 16 times 2 is 32 times 2 is 64

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3 years ago