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Andrews [41]
3 years ago
9

Part A: Tara has softball practice Tuesday, Wednesday, Thursday, and Sunday. Each practice is 1 1/3 hours. Tara says she will ha

ve practice for 3 hours this week. Without multiplying, explain how you know Tara is incorrect. Part B: How long will Tara have softball practice this week? Write your answer as a mixed number. Show your work.
Mathematics
2 answers:
GREYUIT [131]3 years ago
6 0

Answer: A

Step-by-step explanation:

Nataly [62]3 years ago
4 0
Part A: 
Tara is incorrect because she has softball practice 4 days in a week and each practice is at least 1 hour. Therefore, she practices at least 4 hours a week.

Part B:
4 days with 1 1/3 hour per day, a total of 5 1/3 hours a week.

1 1/3 convert to fraction : (3*1 + 1)/3 = 4/3
4 * 4/3 = 16/3 
16/3 = 5 1/3

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For what value of a is the volume of the tetrahedron formed by the coordinate planes and the plane (x/a) (y/10) (z/6)
kotykmax [81]

This question is incomplete, the complete question is;

For what value of a is the volume of the tetrahedron formed by the coordinate planes and the plane (x/a) + (y/10) + (z/6) = 1 equal to 10?

Answer: the value of a is 1

Step-by-step explanation:

Given that;

Volume of tetrahedron bounded by plane (x/a) + (y/10) + (z/6) = 1

and coordinate plane is; V = 1/6|abc|

(x/a) + (y/10) + (z/6) = 1

volume = 10

so

10 = 1/6 | a × 10 × 6 |

60 = a × 10 × 6

60 = 60a

a = 60 / 60

a = 1

Therefore the value of a is 1

3 0
2 years ago
A number between 10 and 20 is both a foctor of 60 and<br>a multiple of 6.<br>What is the number?​
Kisachek [45]

Answer:

12

Step-by-step explanation:

List out factors of 60 =

1 x 60 = 60

2 x 30 = 60

3 x 20 = 60

4 x 15 = 60

5 x 12 = 60

6 x 10 = 60

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30 and 60 are factors of 60.

List out multiples of 6 from 10 to 20.

12 and 18.

Since 12 is seen on one of the factors of 60 and a multiple of 6 between 10 and 20, the answer is 12.

6 0
3 years ago
In a study of a gender selection method used to increase the likelihood of a baby being born a​ girl, 2086 users of the method g
kipiarov [429]

Answer:

C : does not have statistical significance

Step-by-step explanation:

Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.

By this method, the percentage of girls = 1067/2086=0.5115 or 51.15%

This type of method does not have practical significance.

6 0
3 years ago
How do I solve this? :)
topjm [15]
U,U  you need to divide how many cards in total the subtract and mulitply them
3 0
3 years ago
Which number is closer to 10,000? 9,960 or 10,060?
german

Answer:

The correct answer is 9,960.

5 0
3 years ago
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