3 years ago

Plsssss help I’ll put you as a brainiest answer

Mathematics

1 answer:

Svet_ta [14]3 years ago

6 0

Answer:

your answer would probably be 20 bc I times 5 then times 2 then I got 10. Then I did 10 X 2 and I got 20

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Dan has ¾ of a cake left over from his birthday party. His best friend Amy ate 1/7 of the leftover cake. How much of the cake do

Dafna1 [17]

Answer:

9/14 of cake left

Step-by-step explanation:

3/4 left and 1/7 of that eaten:

3/4 - 3/4(1/7) =
(3/4) (1 - 1/7) =
(3/4)(6/7) =
18/28 =
9/14

4 0

2 years ago

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2x = 4y + 8, x - 2y = 4

Evgen [1.6K]

Answer: x = 8, y = 2, coordinates (8,2)

Step-by-step explanation:

2x = 4y + 8 (divide by 2 to get value of x)

x = 2y + 4

(now substitute x into the second equation to find value of y)

2y + 4 - 2y = 4

2y - 2y = 4 - 4 (divide by 2 to get value of y)

y - y = 2 - 2

y = 2

Now plug in value of "y" to get value of "x".

x - 2(2) = 4

x - 4 = 4

x = 8

Coordinates (8,2)

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2 years ago

NEED HELP ASAP!! what is the speed of the car

Damm [24]

The answer is about 43. In other words, it was going 43 mph.

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3 years ago

Cedric has 1 red pen, 1 blue pen, and 1 black pen in his desk. If he randomly takes two of them from his desk without replacemen

lozanna [386]

Maybe it is a 1 out of 3 probability

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3 years ago

What percentage is 28 min of 3 h. Plssss explain too!!

Olegator [25]

Answer:

it's 15.5555555556%

Step-by-step explanation:

$28 \: min \: of \: 3h$

$3h \: in \: min = 3 \times 60$

$3h = 180min$

$\frac{28}{180} = \frac{x}{100}$

$(x)180 = 28(100)$

$(x)180 = 2800$

$\frac{(x)180}{180} = \frac{2800}{180}$

$x = \frac{2800}{180}$

$x = 15.5$

6 0

3 years ago

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