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Karo-lina-s [1.5K]
3 years ago
14

What is 1/2 in a decimal

Mathematics
2 answers:
Orlov [11]3 years ago
8 0
1/2 as a decimal is .5 ( it means .50) hoped it helped
Savatey [412]3 years ago
6 0
To find the decimal form of any fraction just do the math... 1/2 literally reads 1 divided by 2. when you divide 1 by 2, the answer is .50
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Three times the difference of a number and 5 is the same as 1 increased by five times the number plus twice the number
ale4655 [162]
3(x-5)=1+(5x+2x)
3x-15=1+7x
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5 0
3 years ago
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The fuel efficiency (mpg rating) for cars has been increasing steadily since 1980. The formula for a car's fuel efficiency for a
Lisa [10]

Answer:

a) In the interval of [1980,1983].

b) In the interval of [1991, 1996].

Step-by-step explanation:

Fuel efficiency:

The fuel efficiency, for the cars, in x years after 1980, is given by:

E(x) = 0.36x + 15.9

15.9 is the fuel efficiency in 1980.

a. In what years was the average fuel efficiency for cars less than 17 mpg (in interval form)?

From 1980 to:

E(x) < 17

0.36x + 15.9 < 17

0.36x < 1.1

x < \frac{1.1}{0.36}

x < 3.06

3.06 = 1980 + 3 = 1983. So

In the interval of [1980,1983].

b. In what years was the average fuel efficiency for cars more than 20 mpg (in interval form)?

From x until 1996.

E(x) > 20

0.36x + 15.9 > 20

0.36x > 4.1

x > \frac{4.1}{0.36}

x > 11.38

11.38 = 1980 + 11 = 1991. So

In the interval of [1991, 1996].

4 0
2 years ago
a rotaing lawn. sprinkler sprays water over a circular area with. radius 10 yards. what is the area of the watered lawn?
dlinn [17]
The answer is 31.4 yards  
6 0
3 years ago
Please assume that each letter of the alphabet represents a number in order beginning with A=1 and Z=26. What is the total numer
Savatey [412]

Answer:

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Step-by-step explanation:

The letter equivalents are ...

  16, 1, 3, 9, 6, 9, 3, 16, 5, 18, 6, 15, 18, 13, 1, 14, 3,

  5, 5, 14, 7, 9, 14, 5, 5, 18, 9, 14, 7

Their sum is 268, so the result of the math is 400. Spelled out without spaces, that is "fourhundred".

8 0
3 years ago
Solve for x pls help
pashok25 [27]

Answer:

x = 13

Step-by-step explanation:

In a triangle, all the angles equal 180 so

2x + 5x - 7 + 6x + 18 = 180

combine like terms

13x + 11 = 180

13x = 169

x = 13

7 0
3 years ago
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