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3 years ago

I don't understand this.

Mathematics

1 answer:

Dimas [21]3 years ago

5 0

3x + y = 6. You're free to choose any x values you wish (at least, for this linear function). So, if you chose x = 0, y would be 6, and you'd enter 0 6 in the first row of the given table.

If you chose x = -2, then -6 + y = 6 and y would be 12. Enter -2 12 in the second row of the table.

You could also choose y values and calculate the related x-values.

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Julia completes her homework in an hour. She spends 7/12 of the time doing her math homework and 1/6 of the time practicing her

dsp73

Answer:

15 min

Step-by-step explanation:

Julia spends $\frac{7}{12}$ in math.

and spends $\frac{1}{6}$ in spelling.

Lets make $\frac{1}{6}*2=\frac{2}{12}$ for calculation propuses.

Julia spends $\frac{7}{12} +\frac{2}{6}=\frac{9}{12}$ doing her math and spelling homework.

And lets make $1 hour =\frac{12}{12}$

$\frac{12}{12}-\frac{9}{12} =\frac{3}{12}$ and $\frac{3}{12} / 3 =\frac{1}{4}$

So, Julia spends $\frac{1}{4} hour$ in reading.

If I divide an hour into 4 equal units, each unit equals 15 min, so 1 unit is 15 min.

Julia spends 15 min in reading.

4 0

3 years ago

Admission to the circus costs $4 plus $0.50 per ride ella spent $17.50 at the circus

harina [27]

Ella spent $13.5 dollars on rides. So she got in 27 rides.
{Solution: subtract 17.50 - 4= 13.5...... and then divide 13.5/.50=27}

6 0

3 years ago

Vectorial mechanics

charle [14.2K]

Answer:

<em>Vectorial Mechanics is a book on vector manipulation by Edward Arthur Milne, a highly decorated British astrophysicist and mathematician. </em>

Step-by-step explanation:

<h2 /><h2><em>•</em><em>|</em><em> </em><em>jess </em><em>bregoli</em><em> </em><em>|</em><em>•</em><em> </em></h2>

<h3><em>#</em><em> </em><em>keep </em><em>learning</em></h3>

6 0

3 years ago

What is the volume of a cylinder that has a diameter of 14 and height of 18? Round your answer to the nearest

mamaluj [8]

Answer:

252

Step-by-step explanation:

and it has the nearest tenth value is 126

6 0

3 years ago

Help needed please im stuck

defon

Answer:

a) b^3

b) x^3

Step-by-step explanation:

It can be helpful to think of the exponent as specifying the number of times the base is a factor in the product. Of course, common factors in the numerator and denominator cancel.

$\dfrac{b^7}{b^4}=\dfrac{b\cdot b\cdot b\cdot b\cdot b\cdot b\cdot b}{b\cdot b\cdot b\cdot b}=b\cdot b\cdot b=b^{7-4}=\boxed{b^3}$

$\dfrac{x\cdot x^5}{x^2\cdot x}=\dfrac{x\cdot x\cdot x\cdot x\cdot x\cdot x}{x\cdot x\cdot x}=x\cdot x\cdot x=x^{6-3}=\boxed{x^3}$

4 0

2 years ago