Why does 5xy3 have a degree of 4?

1 answer:

5 0

The degree is 4 because the term shown has TWO variables, while y has an exponent of 3, x has an exponent of 1, add the exponents of the variables to find the degree

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Calculate total distance?

vladimir2022 [97]

Simply find the area under the velocity curve. Over the first 3 second interval, the area is that of a trapezoid with bases 2 and 5, so that area/distance traveled is $\left(\dfrac{2+5}2\dfrac{\rm m}{\rm s}\right)\cdot(3\,\mathrm s)=\dfrac{21}2\,\mathrm m$ . For the last 4 seconds, the area/distance is $\left(5\dfrac{\rm m}{\rm s}\right)(4\,\mathrm s)=20\,\mathrm m$ .

Then the total distance traveled is

$\dfrac{21}2\,\mathrm m+20\,\mathrm m=\dfrac{61}2\,\mathrm m=30.5\,\mathrm m$

6 0

3 years ago

Jacob painted 3/4 of a wall his little brother painted 1/2 of what was left how much of the wall is still unpainted

Leni [432]

Lets do this step by step:

1 wall = 1 whole or $\frac{1}{1}$
Jacob painted $\frac{3}{4}$ of the wall
$\frac{1}{1} - \frac{3}{4} = \frac{1}{4}$ (because $\frac{3}{4}$ is a quarter of 1 whole)
His little brother painted $\frac{1}{2}$ of the wall
$\frac{1}{4}-\frac{1}{2} =$
Find the common denominator which is 4:
1/4 × 1 = 1/4 and 1/2 × 2 = 2/4
$= \frac{1}{2}$ (because a half of 1/4 is 1/2)