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enyata [817]
3 years ago
10

Convert 8/15 into a decimal : show your work

Mathematics
2 answers:
zloy xaker [14]3 years ago
6 0
O.533333333,basically 8 divide by 15
Nataly [62]3 years ago
5 0
Ans: 0.533333

SYW: 8/15 
divide 8 and 15
You get your answer: 0.533333

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What is the value of the product 2/3x9/5
alexgriva [62]

Answer:

2/3 × 9/5 = 18/15 = 6/5 if need to simplify. or 1 1/5

Step-by-step explanation:

4 0
2 years ago
Two trains on opposite tracks leave the same station at the same time. One train travels at an average speed of 80 kilometres pe
GREYUIT [131]

9514 1404 393

Answer:

  20 minutes

Step-by-step explanation:

The trains are separating at the rate of 80 +70 = 150 km/hour. The time required to be 50 km apart is then ...

  time = distance/speed = (50 km)/(150 km/h) = 1/3 h = 20 minutes

7 0
3 years ago
A woman wishes to rent a house within 9 miles of her work. If she lives x miles from her work, her transportation cost will be c
I am Lyosha [343]

Answer:

the woman has to live 1 mile from work to minimize the expenses

Step-by-step explanation:

Given the data in the question;

the distance within 9 miles ⇒ 0 < x > 9

Total costs Q = cx + 4c/( x + 1)

costs should be minimum  ⇒ dQ/dx = 0

⇒ d/dx [ cx + 4c/( x + 1) ] = 0

⇒ ( x + 1)² = 4

take square root of both side

√[ ( x + 1)² ] = √4

x + 1 = 2

x = 2 - 1

x = 1

Therefore, the woman has to live 1 mile from work to minimize the expenses

5 0
3 years ago
EBook
77julia77 [94]

Answer:

Probability =0.9898

Step-by-step explanation:

Given that, mean = 4 = 300 standard deviation = 70 n = 100 PT = H = 128 oT = 0 / V n = 70/ v 100 = 7 a) within 6 = 300 ±6 = 294, 306 P(294< ī < 306) = P[(294 - 300) 7 < (ĩ -H ï) / o ĩ < (306 300) /7)] = P(-0.86 < Z < 0.86) = P(Z < 0.86) - P(Z < -0.86) Using z table, 0.8051 - 0.1949 %3D %3D %3D = 0.6102 Probability = 0.6102 a) within 18 = 300 t 18 = 294, 318 P(294< ī < 306) = P[(282 - 300) / 7< (ã -H i) / oī< (318 - 300) /7)] = P(-2.57 < Z< 2.57) = P(Z < 2.57) - P(Z < -2.57) Using z table, =0.9949 - 0.0051 =0.9898 Probability =0.9898

4 0
3 years ago
What is the value of the expression when a = 5, b = 4 , and c = 6?⁢ 4a2b−c .
Ilia_Sergeevich [38]
That problem is not complete.

6 0
3 years ago
Read 2 more answers
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