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vagabundo [1.1K]
3 years ago
9

There are 3 red roses for every 4 white roses. What two equations show the relationship between the number of red roses, r, and

the number of white roses, w?
Mathematics
1 answer:
lakkis [162]3 years ago
4 0

Answer:

3 x 4 or 12/4

Step-by-step explanation:

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Explain how you would graph the following set of parametric equations by plotting points and describing the orientation.
lyudmila [28]
Concept:

First eliminate the t from x=3t and then put it in y=t² and then graph it. As, limit of t is not  restricted so t ∈ R(all real numbers)

As it is difficult to make graph here so I have solved it by hand and add all detail regarding it.

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3 years ago
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When you combine the like terms -x and -32x,what does that simplify to?
Mumz [18]

Answer: 31x

Step-by-step explanation:

( -x + 32x )

( -1 + 32x )

= 31

5 0
2 years ago
A cylinder has diameter of 4ft and a height of 9ft. Explain whether halving the diameter has the same effect on the surface area
elena55 [62]

Answer:

See Below

Step-by-step explanation:

The surface area of cylinder is given by the formula:

SA=2\pi r^2 + 2\pi r h

Where

r is radius ( diameter is 4, so radius is 4/2 = 2)

h is height ( h = 9)

Lets find original surface are:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (2)^2 + 2\pi (2) (9)\\SA=8\pi +36\pi\\SA=44\pi

<u>Halving diameter:</u>

diameter would be 4/2 = 2, so radius would be 2/2 = 1

So, SA would be:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (1)^2 + 2\pi (1) (9)\\SA=2\pi +18\pi\\SA=20\pi

<u>Halving height:</u>

Height is 9, halving would make it 9/2 = 4.5

Now, calculating new SA:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (2)^2 + 2\pi (2) (4.5)\\SA=8\pi + 18\pi\\SA= 26\pi

Original SA is 44\pi,

Halving diameter makes it 20\pi

Halving height makes it 26\pi

So, halving diameter does not have same effect as halving height.

5 0
3 years ago
A medical company tested a new drug on 100 people for possible side
zzz [600]

Answer:

Step-by-step explanation:

The given information is expressed as

Side effect no side effect total

Adult 7 43 50

Children 22 28 50

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Number of favorable outcomes/number of total outcomes

For the probability that an adult has side effects,

Total number of outcomes = 50

Number of favorable outcomes = 7

Probability that an adult has side effects = 7/50 = 0.14

For the probability that a child has side effects,

Total number of outcomes = 50

Number of favorable outcomes = 22

Probability that an adult has side effects = 22/50 = 0.44

Therefore, it is more likely that a child has side effects compared to an adult

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Can someone help me on this question? Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Tog
solniwko [45]

Answer:7 I think

Step-by-step explanation:

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2 years ago
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