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cestrela7 [59]
3 years ago
15

PLZZZZZZZZZ HELP!!!!!!!!!!

Mathematics
2 answers:
horrorfan [7]3 years ago
8 0

Answer:

lolzz i just got that question. it's A

Step-by-step explanation:

hope ya have a good day

Marina CMI [18]3 years ago
7 0

Answer:

it’s A

Step-by-step explanation:

i took it on flocabulary

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On monday eliza read her book. on tuesday she read three times as long as she read on monday. on wednesday she read 20 minutes l
stich3 [128]
Monday : x
tuesday : 3x
wednesday : 3x - 20 = 40
thursday: 20

3x - 20 = 40
3x = 40 + 20
3x = 60
x = 60/3
x = 20

monday : 20 minutes
tuesday : 3x....3(20) = 60 minutes
wednesday : 40 minutes
thursday: 20
for a total of : 140 minutes <===
4 0
3 years ago
A light can shine blue (B), red (), or yellow (Y) Every second the color changes and is recorded. Estimate the probability the n
Naily [24]

Answer:

The probability that the next color will be red is: \dfrac{2}{3}

Step-by-step explanation:

The probability of an event is defined as:

Probability=(Total number of favourable outcomes)/(Total number of outcomes )

Here we have to find the probability that the next colour is red is given by:

<em>The recordings are given as:</em>

B  R  Y  R  R  R  R  Y  R  B  R  R

Number of outcomes that red will come up=8

Total number of outcomes=12

Hence the probability is given by:

Probability=\dfrac{8}{12}=\dfrac{2}{3}


7 0
3 years ago
A recipe uses 1 1/4 cups of to make 10 servings. If the same amount of milk is used for each servings, how many servings can be
Troyanec [42]

Answer:

120

Step-by-step explanation:

Im not sure but 1.25 equals 1 1/4   and 16 cups equal a gallon.

16 divided by 1.25 is 12 which means that 12 of those ten servings equal a gallon.  10 times 12 is 120 which becomes ur answer. Once again im not sure but i hope that ive helped.

7 0
3 years ago
Any ideas for this question
goblinko [34]
<h3>Answer:  36pi (choice b)</h3>

===========================================================

Explanation:

Let x = length of side BC

This is the height of the cylinder. Think of a can that is laying on its side. The radius of this can or cylinder is CD

If point B has x coordinate of 12, and BC is 12 units long, this must mean point C has x coordinate of 12-x. This is plugged into the function to show that CD has a length of exactly \sqrt{12-x}

This is the radius of the cylinder

The volume of a cylinder is V = \pi*r^2*h

Plug in the radius and height mentioned to get this function in terms of x

V = \pi*\left(\sqrt{12-x} \ \right)^2*x

That simplifies to

V = \pi(12-x)x

or

V = \pi(12x-x^2)

Ignore the pi portion for now.

We wish to maximize the function f(x) = 12x-x^2

Use either calculus (specifically derivatives) or a graphing calculator to find that the vertex is at (6, 36)

This means x = 6 leads to the largest f(x) value being 36.

Therefore, the volume V is maxed out when x = 6 and we get a max volume of 36pi cubic units.

6 0
2 years ago
Can the following side measures make a triangle: 11in., 12in. and 13in?
Aloiza [94]

Answer:

Yes

Step-by-step explanation:

Hello There!

Remember the sum of the two shorter sides has to be greater than the largest side in order for it to be a triangle

11+12 must be greater than 13

11+12=23

23>13 therefore the side lengths can form a triangle

4 0
3 years ago
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