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lara31 [8.8K]
3 years ago
15

If you were going to lay carpet in a rectangular room that had dimensions 10ft by 13ft, how much carpet would you need to buy?

Mathematics
2 answers:
frez [133]3 years ago
7 0

Answer:

130 ft of carpet

Step-by-step explanation:

irina1246 [14]3 years ago
4 0
130 ft. Length x Width = Area. With that in mind, all you need to do is multiply 10 by 13 to get the area of the rectangle. 10 x 13 = 130 feet.

Hope this helps!
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If the rat moves through the maze randomly, out of 100 attempts, how many times would you expect Romeo to end up in room A? How
yuradex [85]
50 and 50 because half of 100 is 50 and 50
3 0
3 years ago
Order the numbers in each list from least to greatest. 0, |-14|, 13 , -12, |-16|, 17
jeka57 [31]

Here is your answer:

In order to find the answer you must first find the absolute value of each number, then order them from least to greatest.

  • 0 = 0
  • I-14I = 14
  • 13 = 13
  • -12 = 12
  • I-16I=16
  • 17 = 17
  • Now least to greatest:
  • -12,0,13,14,16,17

Therefore the answer is "-12,0,13,14,16,17."

Hope this helps!

4 0
3 years ago
Read 2 more answers
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Suppose that one pe
ElenaW [278]

Answer:

The probability that someone who tests positive has the genetic disease is approximately 0.166 or 16.6% who tests positive actually has the disease

Step-by-step explanation:

The number of persons in 10,000 people that have the disease = One

The percentage of people with the disease that test positive = 99.6%

The percentage of people who do not have the disease test positive = 0.05%

The probability that someone who tests positive has the genetic disease

P(disease | positive) = \dfrac{P(disease) \cdot P(positive | disease)}{P(disease) \cdot P(positive | disease) + P(nodisease) \cdot P(positive | nodisease)}

P(disease) = 0.01% = 0.0001

P(positive disease)  = 99.6% = 0.996

P(nodisease) = (10,000,000 - 100)/10,000,000 = 99.99% = 0.9999

P(positivenodisease) = 0.05% = 0.0005

Whereby 10,000,000 people are tested, 1000 out of the 1,000,000 will have the disease, 1,000 - 0.996 × 1000 = 4 people out of the 1,000 will test negative while 996 will test positive. From the 9,999,000 people who do not have the disease, 9,999,000 × 0.0005 = 4999.5 will give positive test results.

Therefore, the total number of people that tests positive = 4,999.5 + 996 = 5,995.5

Therefore, out of the 5,995.5 that test positive for the disease, 996 will test positive

The probability that someone who tests positive has the genetic disease, P(disease positive) = 996/5,995.5 ≈ 0.166 or 16.6%

Therefore, approximately 16.6% of the people that test positive for the disease actually has the disease

We have;

P(disease | positive) = \dfrac{0.0001 \times 0.996}{0.0001 \times 0.996 + 0.9999 \times 0.0005} = 0.16612459344

8 0
3 years ago
PLEASE ANSWER, URGENT!!! In a math exam, Zach, Wendy, and Lee have an average score 91. Wendy, Lee and Chen have an average scor
shepuryov [24]

Answer:

98

Step-by-step explanation:

Z as Zach; W as Wendy; L as Lee; C as Chen

We know that average score of Z,W, and L is 91, so:

(z + w + l)/3 = 91

z + w + l = 273

Average score W, L, C = 89, so:

(w + l + c)/3 = 89

w + l + c = 267

We take both:

(z + w + l) – (w + l + c) = 273 – 267

z – c = 6

Average score Z and C = 95

(z + c)/2 = 95

z + c = 190

(z + c) – (z – c) = 184

2c = 184

c = 92

z + c = 190

z + 92 = 190

z = 98

So, Zachs score is 98

6 0
3 years ago
-(ii) If the wage of 15 workers for 6 days is 9450, the wage of 19 workers for<br>5 days is​
Rzqust [24]

Answer:

9975

Step-by-step explanation:

wage per worker day = 9450 / (15*6) = 105

wages for 19 workers 5 days = 105 * 19 * 5 = 9975

6 0
3 years ago
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