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4 years ago

100 POINTSS!!!!!

Mathematics

2 answers:

inysia [295]4 years ago

6 0

I think it’s number three

Assoli18 [71]4 years ago

3 0

1/3(4−5x−1)
= 1/3(4−1−5x)
= 1/3(3−5x)
= 3/3 − 5/3x
= 1 − 5/3x
= −5/3x + 1

ans is C

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If h = 9 units and r = 6 units, then what is the volume of the cone shown above?

Molodets [167]

Cone Volume = PI * radius^2 * height / 3Cone Volume = PI * 6^2 * 9 / 3 Cone Volume = PI * 108
Answer is D 108 PI cubic units
 
http://www.1728.org/volcone.htm

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3 years ago

HELP 40 POINTS ASAP a biker traveled 20 miles in 4 hours. a unit rate to describe this would be 5 miles per hour. What is anothe

Allisa [31]

Answer: 12 minutes per mile

Step-by-step explanation: 20 miles) / (4 hours) = (20/4) (miles/hours) = 5 miles per hour

(4 hours) / (20 miles) = (4/20) (hours/miles) = 0.2 hours per mile

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3 years ago

If the translation of (x,y)->(x-5, y+2) was applied to the triangle ABC below, what would be the coordinates for A' after the

muminat

Answer:

(-3,0)

Step-by-step explanation:

When translating, anything positive when talking about x would move x to the right. Negative, left, so you would move point a 3 units to the left.

When translating, anything positive when talking about y would move y up. Negative, down, so you would move point a 2 units up.

6 0

3 years ago

PLZ HELP MEEEE 40 POINTS!

ASHA 777 [7]

Step-by-step explanation:

We have been given that Jeanie stated that the equation of this line best fit for the scatter plot is $y=\frac{1}{2}x+8$ .

Let us find the slope of the line of best fit using points (2,7) and (4,6) in slope formula.

$\text{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\text{Slope of line of best fit}=\frac{6-7}{4-2}$

$\text{Slope of line of best fit}=\frac{-1}{2}$

We can see that slope of line of best fit is $-\frac{1}{2}$ .

Since the equation of a line written in slope-intercept is in form: $y=mx+b$ , where m=slope of line, b= y-intercept.

Upon substituting m= $-\frac{1}{2}$ and coordinates of one point in slope-intercept form of equation we will get,

$6=-\frac{1}{2}\times 4+b$

$6=-2+b$

$6+2=-2+2+b$

$8=b$

Upon substituting m= $-\frac{1}{2}$ and b=8 in slope intercept form, we will get,

$y=-\frac{1}{2}x+8$

We can see that equation of the line of best fit is $y=-\frac{1}{2}x+8$ . Jeanie got 1/2 as slope of the line of best fit, which is wrong, therefore, Jeanie's equation of the line of best fit is not correct.

8 0

3 years ago

You roll a six-sided number cube and flip a coin. What is the probability of rolling a number less than 2 and flipping heads? Wr

Pie

Answer:

$\frac{1}{18}$

Step-by-step explanation:

As the six-sided number cube had six sides, there are six events which could occur. There is only one interger less than 2 (1), therefore the probability of rolling a number less than 2 is $\frac{1}{6}$ .

There are two events which could occur when flipping a coin. This means the probability of flipping heads is $\frac{1}{2}$ .

To find the probability of both of these happening, you must multiply the fractions together by multiplying together both the denominators and numerators, therefore:

$\frac{1}{6}$ × $\frac{1}{2}$ = $\frac{1}{18}$

6 0

3 years ago

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