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4 years ago

Please help me out with this

Mathematics

1 answer:

serious [3.7K]4 years ago

3 0

Answer:

Step-by-step explanation:

It is the only one that makes sense; the third statement is totally false so B would be incorrect, A and B are wrong as both the first and second statements are true.

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A simple random sample of 450 residents in the state of new york is taken to estimate the proportion of people who live within 1

Marysya12 [62]

<span>(1) What are the values of the sample proportion of people who live within 1 mile of a hazardous waste site and its standard error? Solution: pË† = 0.3, and standard error p 0.3 Ă— 0.7/450 = 0.0216. (2) What are the values of the sample proportion of people who live outside of the 1 mile radius around a hazardous waste site and its standard error? Solution: pË† = 0.7, and standard error p 0.3 Ă— 0.7/450 = 0.0216.</span>

4 0

3 years ago

If I drink 25% of a 700ml bottle of rum, how much is left?

Rudiy27

Answer:

525 ml

Step-by-step explanation:

.25(700) = 175 ml drunk

700 - 175 = 525

5 0

3 years ago

Solve for x:<br> 2x +1°<br> 72 - 99°

gladu [14]

Answer: x=20

Step-by-step explanation:

The two angles are vertically opposite so they are equal to each other

7x-99=2x+1

5x=100

x=20

5 0

3 years ago

Alexis and tasha challenge each other to a typing test. Alex typed 54 words in one minute which was 123% of what tasha typed. ho

nekit [7.7K]

The relationship between what Alex typed and what Tasha typed can be represented by a simple equation.
Where: 'A' the number of words Alex typed in a minute and T is the number of words typed by Tasha in a minute.
$A = (1.23)T \\ 54 = (1.23)T \\ \frac{54}{1.23} = T \\ T = 43.9$

Therefore Tasha typed 43.9 words in one minute.
Hope this helps!

8 0

3 years ago

Image P is shown in the coordinate grid Image P is translated 2.5 units to the right and 3.5 units up to create image P'.

Ksju [112]

Answer:

Here we do not have the image P, but let's solve this in a general way.

Suppose that we have a point A (x,y)

If we translate the point A n units horizontally (where n can be positive, translation to the right, or negative translation to the left.)

The new point will be (x + n, y)

if we translate the point m units vertically (if m is positive the translation is upwards, if m is negative the translation is downwards), the new point will be (x + n, y + m)

Then if our figure was p (x, y)

The new figure is p(x + 2.5, y + 3.5)

So for every point in the figure, we need to add 2.5 to the x component, and 3.5 to the y-component.

6 0

3 years ago