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3 years ago

Julia has 8 red Barret es .two fourths of her barrettes are red .how many barrettes does Julia have?

1 answer:

3 0

We know that Julia has 8 red barrettes, which are 2/4 of all her barrettes. We also know that 2/4 is as much as 1/2. So to find out how many barrettes does Julia have altogether, we just need to multiply 8 by 2:

8 * 2 = 16

Answer: Julia has <u>16 barrettes</u> altogether.

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Can someone please help me with this I’ll give brainliest

Alchen [17]

Answer:

I think it's 1.839x10 to the power of 8

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3 years ago

I don’t understand how to do this without plugging in numbers or using calculus. Please help. I’m studying for the SAT and I onl

Svetllana [295]

Step-by-step explanation:

Recall that for a quadratic equation y = ax² + bx + c in the X-Y plane, the x-location of the vertex (i.e maximum or minimum point) is given by

x @vertex = -b/2a

in this case your quadratic equation is

h = 4 + 20t - 5t² (rearranging in the form y = ax² + bx + c )

h = - 5t² + 20t + 4

hence a= -5, b = 20 and c = 4

applying the formula for vertex

t @ vertex = -b /2a = -(20) / (2)(-5) = -20/-10 = 2

therefore t = 2

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3 years ago

Need a quick answer please

Sonja [21]

B would be the best answer

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3 years ago

Simplify 4-x squared ÷2x-x squared<br>

lana66690 [7]

Answer:

4- $\frac{x}{2}$ - $x^{2}$

Step-by-step explanation:

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3 years ago

How do I graph -1, -4?

Sonbull [250]

Answer:

Start at the origin and go to the left by one and go down by 4

Step-by-step explanation:

The x coordinate relates to the horizontal axis and the y axis refers to the vertical axis.

Before we start graphing we must always begin at the origin (0,0)

Since the x value is -1 we have to move left by 1 on the x axis

We would move to the left one value because negative is on the left side

For the y value, we would have to move 4 down on the y axis because this number is also negative.

So your graph should look like this

Hope this helps :)

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3 years ago