Write the square or cube for each number.

Mathematics

1 answer:

IRISSAK [1]2 years ago

4 0

Answer:

1) 19³=6859

2) 16² =256

3) 15³ =3375

4) 20² =400

5) 10³ =1000

Step-by-step explanation:

using your calculator to (square = number times itself) or (cube = number times itself times itself again)

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The line plot shown shows the estimated weights of the alligators at Thompson Zoo. How many alligators weigh less than 450 pound

Radda [10]

Answer:

C. 7

Step-by-step explanation:

We have been given a line plot which represents the estimated weights of alligators at Thompson Zoo. We are asked to find the number of alligators who weigh less than 450 pounds.

To find the total number of alligators who weigh less than 450 pounds we will add the number of alligators whose weight equals 400 pounds and 425 pounds.

We can see from our line plot 3 alligators weigh 400 pounds and 4 alligators weigh 425 pounds.

$\text{ Alligators that weigh less than 450 pounds}=3+4=7$

Therefore, 7 alligators weigh less than 450 pounds at Thompson Zoo and option C is the correct choice.

8 0

3 years ago

Use the values on the number line to find the sampling error.

pantera1 [17]

Part 1:

Given a number line with the point $\bar{x}=3.8$ and the point $\mu=4.27$

The sampling error is given by:

$\bar{x}-\mu=3.8-4.27=-0.47$

Part 2:

Given a number line with the point $\bar{x}=26.43$ and the point $\mu=24.67$

The sampling error is given by:

$\bar{x}-\mu=26.43-24.67=1.76$

4 0

3 years ago

Answer both 2 and 3 please

QveST [7]

<h3>Time units.</h3>

1 day = 24h

1h = 60min

We have 4h 20min

$4h + 20min = 4h+\dfrac{20}{60}h=4h+\dfrac{1}{3}h=4\dfrac{1}{3}h=\dfrac{13}{3}h$