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2 years ago

HELP MATH THIS IS DUE SOON

Mathematics

2 answers:

Jet001 [13]2 years ago

5 0

Answer:

600

Step-by-step explanation:

just backing up the first answer hope this helps :)

Oxana [17]2 years ago

4 0

Answer:

600

Step-by-step explanation:

36 times 18=648 but u need to add o the nearest hundred

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!!please help!! I have an F in this class and really need to get it up!

lisov135 [29]

I may be wrong, I think I remember how to do this. A straight line has an angle of 180, so y would be 133, making the area 55571.63u. (u = whatever unit is measuring the circle.) If x = 1/20 of the area, then the red area = 2,778.5u or 2,779u. I hope this helps, but I honestly don't remember how I would find x, and I don't want you to get the question wrong.

5 0

3 years ago

There are a rack of 14 billiard balls. Balls numbered 1 through 8 are solid-colored. Balls numbered 9 through 14 contain stripes

Jet001 [13]

Answer:

3/7 / 42.8% chance

Step-by-step explanation:

There are 6 striped balls (9, 10, 11, 12, 13, 14) and 8 (1, 2, 3, 4, 5, 6, 7, 8) solid colored balls. So, 6 / 14 balls are striped.

(6 / 14 = 3 / 7)

this means that the probability of a ball being striped has the odds of 3/7

(3/7 = about 42.8% chance)

6 0

1 year ago

Graph the image of the given triangle, translated 4 units to the right and 5 units down.

Goryan [66]

Answer- Follow the attachment attached herewith.

Solution-

As we know if we are moving in left or right, we have to deal with the x - direction or x co-ordinate and if we are moving in up and down , we have to deal with y - direction or y co-ordinate .

If we are moving in right ,we have to add in x co-ordinate and if we are moving left we have subtract from x co-ordinate. Likewise, if we are moving up, we have to add in y co-ordinate and if we are moving down, then we have to subtract from y co-ordinate.

As given in the question, we have move the triangle 4 units right and 5 units down,

The co-ordinate of given triangles'

A = (-1,3)

B = (-5,-3)

C = (2,-1)

∴Then the new co-ordinate will be

A' = (-1+4 , 3-5) = (3,-2)

B' = (-5+4 , -3-5) = (-1,-8)

C' = (2+4 , -1-5) = (6,-6)

7 0

3 years ago

Please help! question is in the picture!

koban [17]

9514 1404 393

Answer:

(5, 1) or maybe (h, k)

Step-by-step explanation:

The given form has no letters other than the variable. The vertex in this vertex-form equation can be read from the expression as (5, 1).

In the generic vertex form ...

f(x) = a(x -h)² +k

the letters (h, k) are used to represent the vertex.

You would need to consult your curriculum materials to see what letters your author uses for the vertex in vertex form.

5 0

3 years ago

The table shows the time a patient spends at the dentist and the amount of the bill.

erica [24]

Answer-

Correlation coefficient for the data in the table was found to be 0.93.

Solution-

Taking the independent variable or input variable as, the time a patient spends at the dentist and the dependent variable or output variable as the amount of the bill.

We know that,

$r=\frac{n(\sum xy)-\sum x \sum y}{\sqrt{[n\sum x^{2} -({\sum x})^{2}]\times [n\sum y^{2} -({\sum y})^{2}]}}$

Calculating the values from the table, then putting it in the formula

$r=\frac{4 \times 3130.9 \ - \ 6.45 \times 1473}{\sqrt{[4\times 12.3725 \ - \ 6.45^{2}][4 \times 877475 \ - \ 1473^2]}}$

$\Rightarrow r=0.929720561 \approx 0.93$

∴ Correlation coefficient for the data is 0.93.

3 0

3 years ago

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