3 years ago

Help I don’t know????

Mathematics

1 answer:

Sergio039 [100]3 years ago

5 0

y equals 2 parentheses x - 3 parentheses ^ 2 - 5

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Write y = -0.4x + 0.9 in standard form using integers

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Answer: search it up

Step-by-step explanation:

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3 years ago

A jar contains 4 red and 8 blue marbles a marble is drawn from the jar what is the probability that a red marble is drawn ?

frosja888 [35]

There is a 1/3 chance that a red marble would be chosen.

To find out you put add up the marbles, so they will make 12 marbles.

Since there are 4 red you put 4/12.

4/12 simplified is 1/3.

So the chance of a red marble being picked is 1/3.

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3 years ago

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Kryger [21]

Answer:

Step-by-step explanation:

Here we are supposed to find the distance between two coordinates ( 4,10) and (-3,-14).

Let us do this step by step with detailed explanation.

We will use distance formula in order to find the distance between them. The distance formula is given as

$D=\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} }$

Here we have

$x_{2}=-3\\x_{1}=4\\y_{2}=-14\\y_{1}=10\\$

Replacing them in the formula we get

$D=\sqrt{(-3-4)^{2} +(-14-10)^{2} }\\D=\sqrt{(-7)^{2} +(-24)^{2} }\\D=\sqrt{49+ 576 }\\D=\sqrt{625 }\\D=25\\$

Hence our distance is 25 units

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3 years ago

What is the value of the expression 2.6x10^9 over 1.3x10^2

arsen [322]

2.6/1.3 * (10^9/10^2)
2*10^7

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3 years ago

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Is (1,-4) a solution to the equation y=-2x?<br> Yes or no? Please help /:

Elden [556K]

No it is not, the solution would need to be (2,-4) in order to satisfy the equation y = -2x -- like so -4 = -2(2)

-4 = -4, otherwise the equation won't be satisfied.

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3 years ago

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