3 years ago

BRAINLIST TO THE FIRST PERSON THAT GETS THIS RIGHT!!!!Decide whether this inequality statement is true or false. -5 > 2 *

Mathematics

1 answer:

Maksim231197 [3]3 years ago

3 0

Answer:

400x(400×x) i think

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You guys, I seriously need help with this! I have been working on this for like 5 hours and I still can't understand it! Please

Alina [70]

Step-by-step explanation:

Q1. E

Q2. A

Q3. H

sorry if I'm wrong anyways

Q4. C

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3 years ago

Need help with this

irinina [24]

The correct answer is 7r/s

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4 years ago

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.

7 0

4 years ago

8 - 5 (9k + 8) = 3k - 1

EastWind [94]

8 - 45k - 40 = 3k - 1
-32 - 45k = 3k - 1
+ 1 +45k +45k + 1
_________________
-31 = 48k
-0.689 = k

7 0

3 years ago

Read 2 more answers

12.<br> What is the<br> equation of a circle with center (-7, -3) and radius 2?

Genrish500 [490]

Answer:

(x + 7)^2 + (y + 3)^2 = 4

Step-by-step explanation:

The standard equation of a circle is:

(x - h)^2 + (y - k)^2 = r^2

where (h, k) is the center and r is the radius. We can substitute the information given to obtain:

(x + 7)^2 + (y + 3)^2 = 4

3 0

3 years ago