The table shows the results of drawing colored marbles from a bag. Based on theoretical probability, which is the best prediction for the number of times a blue marble would be drawn in 1000 trials?

A.
150

B.
200

C.
250

D.
300

Answers

Answer 1

Answer: c.250 because if you add all of them it is 1/4 that blue would be drawn
or b. 200 because of the times its shown that its bin drawn it is a 1/5 from the chart

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Consider the expression 3x(x-2) + 2 and 2x^2 + 3x - 12. A. Evaluate each expression for x = 2 and for x = 7. Based on your results, do you know whether the two expressions are equivalent? Explain.

B. Evaluate each expression for x = 5. Based on your results, do you know whether the two expressions are equivalent? Explain.

Answers

Lets begin by doing part a, then part b.

A)2x^2 + 3x - 12
2(2^2) + 3(2) - 12
2(4) + 6 - 12
8 + 6 - 12
14 - 12 = 2
2

3x(x-2) + 2
3(2) * (3-2) + 2
6 * 1 + 2
6 + 2 = 8

Nope, these are not equivalent.

Next one, x = 7
2x^2 + 3x - 12
2(7^2) + 3(7) - 12
2(49) + 21 - 12
98 + 21 - 12
119 - 12 = 107

3x(x-2) + 2
3(7) (7-2) + 2
21(5) + 2
105 + 2 = 107
Yes! When x = 7, these expressions are equal.

B) 2x^2 + 3x - 12
Apply the value for x.
2(5^2) + 3(5) - 12
2 (25) + 15 - 12
50 + 15 - 12
55 - 12 = 43

3x(x-2) + 2
3(5) * (5-2) + 2
15 * 3 + 2
45 + 2
47

When x = 5, these expressions are not equivalent.

A trapezoid in a coordinate plane has vertices (-2,5),(-3,-2),(2,-2),and (1,5) What is the height of the Trapezoid

Answers

Rise: 7, Run: 0
Rise (on the y-axis); from -2 to 5
Run (x-axis): 0

PLEASE HELP! DUE TOMORROWWrite each equation in standard form.

y - 4 = -3(x - 3)

and

y + 9= 2(x + 5)

Answers

I think you do not want to find the value of x and y from the two given equations. Only thing you want is to write the equations in their standard form only. Let us take one equation at a time and then write them in their standard form.
In case of the first equation:
y - 4 = - 3(x - 3)
y - 4 = - 3x + 9
3x + y = 9 + 4
3x + y = 13
Now we take the second equation
y + 9 = 2(x + 5)
y + 9 = 2x + 10
2x - y = 9 - 10
2x - y = -1
These are the two standard form of the given equations.

For the first equation...
$y-4 = -3x+9 \n 3x+y = 13$

For the second equation...
$y+9 = 2x+10 \n -2x+y = 1 \n 2x -y = -1$

If this helped, please consider making this the brainliest answer! :)

There are 36 carpenters in a crew. On a certain day, 29 were present. What percent showed up for work?-Please Explain
-Try your best!
-Goodluck
-BrieMode!:)

Answers

you divide the workers that where present by the total amount of workers , so 29 /36 =.80555 .80555*100=80.555% so 80.55% of workers showed up

How do I find the rate of something?

Answers

You can set up a proportion

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. If you have a multiple-unitrate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

susie has a piece of cloth that is 3 yards long she cut it into shorter lengths of 16 inches each how many of the shorter pieces can she cut

Answers

She can cut six pieces and will have ¾ of a piece leftover.

Susie need to cut six pieces and she will have ¾ of a piece leftover. hope this helps :)

The table shows the results of drawing colored marbles from a bag. Based on theoretical probability, which is the best prediction for the number of times a blue marble would be drawn in 1000 trials?A.150B.200C.250D.300

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The table shows the results of drawing colored marbles from a bag. Based on theoretical probability, which is the best prediction for the number of times a blue marble would be drawn in 1000 trials?

A.
150

B.
200

C.
250

D.
300