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jasenka [17]
2 years ago
15

Help for brainliest and 10 points

Mathematics
1 answer:
Travka [436]2 years ago
4 0

Answer:

-3

Step-by-step explanation:

0.002 = 2 \times  {10}^{ - 3}  \\  \implies \: x =  - 3

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Leviafan [203]

Step-by-step explanation:

1)

Hypotenuse2 = Perpendicular2 + Base2

c2 = a2 + b2

therefore,

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c2 = 100 + 576

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7 0
2 years ago
A man can buy 20 mangoes or 30 oranges. If he wants a each amount of each, how many of each would he get? Write an EQUATION to s
DochEvi [55]

Answer:

12

Step-by-step explanation:

In this question, there are two variables: the number of mangoes(y) bought and the number of oranges bought(x).

Let's say the man have z money, mangoes price is \frac{1}{20}z and the oranges price is \frac{1}{30}z. The equation for money and number of mangoes and oranges will be:

money = mango price * mangoes bought + orange price * orange bought

z= \frac{1}{20}z * x + \frac{1}{30}z *y

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-\frac{1}{30}y= \frac{1}{20}x -1

y= -1.5x + 30

y= 30 - 1.5x

If he want equal number of mango and orange, that mean y=x. The calculation will be:

y= 30 - 1.5x

x= 30 - 1.5x

x+ 1.5x = 30

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8 0
3 years ago
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balandron [24]

Answer:

With replacement

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probability \ of \ spade \ then \ red\ card\ without\ replacement = \frac{1}{4} \times\frac{4}{17} =\frac{1}{17}

7 0
3 years ago
Can someone just explain pre-image and image to me? ​
user100 [1]

Answer: in doing transformations, the pre-image is the image you start with. The task is to move the pre-image so that it is contiguous with the (target) image. This is typically done by translation, rotation or reflection or a combination of those moves.

Hope that helps

Step-by-step explanation:

8 0
3 years ago
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Step-by-step explanation:

I hope this helps

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