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AnnyKZ [126]
3 years ago
6

a basket contains 3 green 4 yellow 5 blue and 6 red tickets one of which is randomly selected probability of drawing a green or

a red ticket
Mathematics
1 answer:
elixir [45]3 years ago
7 0

Answer: 21

Step-by-step explanation:

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Macy estimated a product to be 800. The actual product is 768. Her estimate was an
Vladimir79 [104]

Answer:

Overestimate

Step-by-step explanation:

it would be an underestimate if the number was lower than the actual number but since its larger than it is an overestimation.

hope this helps

6 0
3 years ago
A lidless box is to be made with a volume of 256256 ft cubed 3. Find the dimensions of the box that requires the least amount of
sveta [45]

The optimum shape of such a box is half a cube. The corresponding cube will have a volume of 2×256 ft³ = 512 ft³ = (8 ft)³. Such a box has a square base that is 8 ft on a side. If the height is half that of the cube, it will be 4 ft.

The dimensions of your box will be 8 ft square by 4 ft high.

_____

If the base dimension is x ft, the area (quantity of material) is

... a = x² + 4x(256/x²)

... a = x² + 1024x⁻¹

Then the derivative of area with respect to x is

... a' = 2x -1024x⁻²

Setting this derivative to zero and solving for x gives the value of x for minimum area.

... 0 = 2x -1024/x²

... 512 = x³

... x = 8 . . . . . . . . same as above.

7 0
3 years ago
Given the function below, find f(7) f(x)=-x^2+9x
sashaice [31]

Answer:

14

f(x) = 7

-7^2 + 9(7)= -49 + 63 = 14

3 0
3 years ago
Use the law of cosines to find the value of 2*4*5 cos theta
sweet-ann [11.9K]
We can proceed in solving the problem since all information are given such as 2*4*5costheta.
we have a=4, b=5, and C=theta
let us solve for "c" using Pythagorean
c²=a²+b²
c²=4²+5²
c=6.4
Solving for theta or C
c²=a²+b²-2abcosC
6.4²=4²+5²-2*4*5*cosC
C=90

3 0
3 years ago
Read 2 more answers
An elephant at the zoo lost 32 pounds over 8 months. The elephant lost the same amount of weight each month. Enter an integer th
inna [77]

Answer:

<em> He would loose 4lbs.  a Month 32/8=4</em>

Step-by-step explanation:

<em>First thing you need to do is to get the months down to one. so you need to divide 32/8 to get the pounds per month</em>

3 0
3 years ago
Read 2 more answers
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