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Yuri [45]
3 years ago
15

5. Consider the contexts the follow.

Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

d

Step-by-step explanation:

1+3=4

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What is 20=8,it will be a real help.
Andrews [41]

Answer:

it is a invalid equation

Step-by-step explanation:

20 is not equal to 8

6 0
4 years ago
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A store has two different brands of laundry detergent. Brand A can do 105 loads of laundry and costs $21.99. Brand B does 80 loa
coldgirl [10]

Answer:

B. Brand A $0.21

Step-by-step explanation:

                                    (round to nearest cent)

Brand A: 21.99/105 = .2094 = .21 ( .2094 rounds to .21)

Brand B: 17.99/80 = .2248 = .22    ( .2248 rounds to .22)

Therefore Brand A is a better buy for $0.21 per load

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3 years ago
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Cuales son los divisores de 12​
Serga [27]

Answer:

1, 2, 3, 4, 6, 12

Step-by-step explanation:

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3 years ago
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One maid can clean the house four times faster than another. Working together they can clean the entire house in 4 hours. How lo
stich3 [128]

<u>5 hours</u><u> long would it take the </u><u>faster </u><u>maid cleaning alone.</u>

What is a linear equation in math?

  • A linear equation only has one or two variables.
  • No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.
  • When you find pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all of the points lie on the same line.

Suppose, time taken by faster maid be x , hours.

So, time taken by slower maid ,

 x_{2} = 4x_{1}        ( 4 time faster maid )

Now, time taken by both of the  made together is given by ,

( \frac{x_{1}x_{2}  }{x_{1} + x_{2} } )

\frac{x_{1}(4x_{1} ) }{x_{1} + 4x_{1} }  = 4 hours

\frac{4x_{1} }{5}  = 4 hours

x_{1} = 5 hours     which is the time required by faster maid.

Learn more about linear equation

brainly.com/question/12974594

#SPJ4

8 0
2 years ago
The cone shown has a diameter of 16 meters and a slant height of 10 meters. Which choice is closest to the lateral surface area?
Jlenok [28]

Answer:

The approximate lateral surface area of the cone is 251.2 m^{2}

Step-by-step explanation:

we know that

The lateral area of a cone is equal to

LA=(pi)(r)(l)

we have

r=16/2=8 m -----> the radius is half the diameter

l=10 m ----> the slant height

pi=3.14

substitute the values

LA=(3.14)(8)(10)=251.2 m^{2}

4 0
3 years ago
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