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Vilka [71]
3 years ago
5

Find the price of one pen if ten pens cost $61.80

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
5 0

Answer:

Step-by-step explanation:

$ 6.18 is what each pen costs

GREYUIT [131]3 years ago
4 0

Answer:

6.18

Step-by-step explanation:

divide 61.80÷10=6.18

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Simplify √ 105 . A. 2√ 3 B. √ 105 C. 2√ 7 D. √ 42
Digiron [165]
B. \sqrt{105}

The multiples of 105 are 3,5,and 7 so none of them can come out of the square root so it cannot be simplified.
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What's 4x² - 9y² factorised?
algol [13]
It can't be factorized it has no common factors no factor of 4 will go easily into 9
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Determine the value<br> of x in this polygon. (PLATO)
tresset_1 [31]

Answer:

136

Step-by-step explanation:

No matter what the distribution, all of the interior angles of a convex hexagon will add up to 720 degrees. Therefore, if you subtract all of the known angles in this hexagon from 720, you will find x.

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3 years ago
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What is an equation of the line that passes through the points (-6, -2) and
den301095 [7]

Answer:

The equation of line is: \mathbf{4x-3y=-18}

Step-by-step explanation:

We need to find an equation of the line that passes through the points (-6, -2) and  (-3, 2)?

The equation of line in slope-intercept form is: y=mx+b

where m is slope and b is y-intercept.

We need to find slope and y-intercept.

Finding Slope

Slope can be found using formula: Slope=\frac{y_2-y_1}{x_2-x_1}

We have x_1=-6,y_1=-2, x_2=-3, y_2=2

Putting values and finding slope

Slope=\frac{2-(-2)}{-3-(-6)}\\Slope=\frac{2+2}{-3+6} \\Slope=\frac{4}{3}

So, we get slope: m=\frac{4}{3}

Finding y-intercept

Using point (-6,-2) and slope m=\frac{4}{3} we can find y-intercept

y=mx+b\\-2=\frac{4}{3}(-6)+b\\-2=4(-2)+b\\-2=-8+b\\b=-2+8\\b=6

So, we get y-intercept b= 6

Equation of required line

The equation of required line having slope m=\frac{4}{3} and y-intercept b = 6 is

y=mx+b\\y=\frac{4}{3}x+6

Now transforming in fully reduced form:

y=\frac{4x+6*3}{3} \\y=\frac{4x+18}{3} \\3y=4x+18\\4x-3y=-18

So, the equation of line is: \mathbf{4x-3y=-18}

6 0
2 years ago
Can someone please help
klemol [59]
You just plug in the -2 for x to get the equation -2^2–3•-2+4= 6
4 0
3 years ago
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