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kenny6666 [7]
3 years ago
10

Choose ONE literal equation and solve for r. A) C=2r B) A=r² yall please help

Mathematics
1 answer:
almond37 [142]3 years ago
4 0

Step-by-step explanation:

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Simplify 2х + х.<br> О 2х2<br> О 3х<br> O3x 2
nikdorinn [45]

Answer:

3x

Step-by-step explanation:

2x  + x

3x

8 0
3 years ago
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The expression square root 5x is equivalent to the expression square root 5 <br> A. True Or B. False
Kitty [74]

Answer:

False

Step-by-step explanation:

sqrt(5x) cannot simplify to x*sqrt5 because the x variable is not squared.

4 0
4 years ago
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Date
siniylev [52]

Answer:

16 workers are required to complete the work in 45 days...

Step-by-step explanation:

12 workers are required to complete the work in 60 days

so... 60*12=720 workers are required to complete the work in 1 day

Hence,

720/45 = 16 workers are required to complete the work in 45 days.

8 0
4 years ago
the base of a fountain is rectangular.its dimensions are 1 2/3 ft by 2 2/3 ft . what is the area of the base of the fountain
kvv77 [185]
If you would like to find the area of the base of the fountain, you can calculate this using the following steps:

1 2/3 ft * 2 2/3 ft = 5/3 * 8/3 = 40/9 = 4 4/9 square feet

The area of the base of the fountain is 4 4/9 square feet.
7 0
3 years ago
Brent claims that more students at his school prefer hot dogs over hamburgers. His friend Shaun doesn’t agree. To settle their a
photoshop1234 [79]

Answer:

  • Using conditional probabilities it can be shown that  the results are influenced by the gender.

Explanation:

To prove that the results are influenced by <em>gender</em> you can calculate both the probability of preferring hot dogs and the conditional probability of preferring a hot dog given that is a female.

If the two results are different the probability of preferring hot dog is dependent on whether the person is a female or a male.

The probability of preferring hot dogs given that is a female is stated by the problem: 34.2%.

The probability of preferring hot dogs by the whole sample is:

  • Number of males that prefer hot dogs: 184 (stated by the problem)
  • Number of females that prefer hot dogs:

         100% - 34.2% = 65.8%

         65.8% of 635 = 0.658 × 635 = 417.83 ≈ 418

  • Samples size: 542 males + 635 females = 1177

  • Probability of preferring hot dogs =

              number of students that preffer hot dogs / number of students =

              (184 + 418) / 1177 = 602 / 1177 = 0.5115 ≈ 51.2%

Thus, the probability of preferring hot dogs given that the student is a female (34.2%) is different from the probability of preferring hot dog for the whole sample, making the results dependent of the gender.

3 0
4 years ago
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