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Arturiano [62]
3 years ago
6

There are 80 marbles in a bag. You randomly choose 20 marbles from the bag. The results are shown in the table. Predict the tota

l number of
yellow marbles.
Mathematics
1 answer:
Karolina [17]3 years ago
3 0

Answer:

where's the table???

Step-by-step explanation:

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Find two numbers whose difference is 150 and whose product is a minimum. step 1 if two numbers have a difference of 150, and one
valentinak56 [21]
The lowest possible product would be -5625 given the numbers 75 and -75. 

We can find this by setting the first number as x + 150, which we see in the equation given above. The other number would have to be simply x since it has to have a 150 difference. 

Next we'll multiply the numbers together. 

x(x+150)
x^2 + 150x

Now we want to minimize this as much as possible, so we'll find the vertex of this quadratic graph. You can do this by finding the x value as -b/2a, where b is the number attached to x and a is the number attached to x^2

-b/2a = -150/2(1) = -150/2 = -75

So we know one of the values is -75. We can plug that into the equation to find the second. 

x + 150 
-75 + 150 
75

 
7 0
3 years ago
WILL GIVE BRAINLIEST, RATING, AND THANKS!
Lerok [7]
For both part A and part B, the cross-section would be a square.

For part c, the reasons the shapes are the same is the 3-D figure of a cube has 6 faces that are all squares. Since every face is a square, you cannot cut a cross-section that is any shape but a square. Cross-sections in 3-D prisms can reflect the face they are nearest to, so with every face being identical on a cube, the cross sections are also identical.

I hope this helps! :)
5 0
4 years ago
Tracy bought 5 trays of plants for 105
kondor19780726 [428]

Answer:

21?

Step-by-step explanation:

just divide 105 by 5?

the full question wasn't here so I just guessed what u were trying to say

7 0
2 years ago
What is 3/5 divide 1/3
Alecsey [184]

Answer:

1 4/5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please help my with this math questions
Alecsey [184]
Y=50x+550

This is a linear equation of the form:

y=mx+b, where m=rate of change or slope and b=y-intercept.

The slope is the rate of change and the y-intercept is the value of y when x=0, which is the initial value.  So in this context...

The change per week is $50.

The starting amount was $550
4 0
3 years ago
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