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3 years ago

7

How do I figure out the sequence? (Fractions) *I GIVE THANKS

2 answers:

Serga [27]3 years ago

4 0

I don't have an idea about the 1st one but second one goes by subtracting 1/3
subtract 1/3 from 8 1/3 it's 8, subtract 1/4 from 8 it's 7 2/3. figuring out the patterns are simple most of the time bu you can get stuck sometimes, if you wanna get better, practice...

Oksana_A [137]3 years ago

3 0

You can work out the pattern by subtracting the first number from the second. So for the first one, 7 1/2 (Which is equal to 7 2/4, because 1/2 = 2/4) - 7 1/4 = 1/4, so you add a quarter each time
For the second one, 8 - 8 1/3 = -(1/3), so you subtract a third each time
Hope that helps and isn't too confusing!

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Ming throws a stone off a bridge into a river below.

AURORKA [14]

Answer:

1 seconds after being thrown, the stone reaches its max height

Step-by-step explanation:

The parabolic (quadratic) equation is:

$h(x)=-5(x-1)^2+45$

Lets expand this in the form $ax^2+bx+c$ , so we have:

$h(x)=-5(x-1)^2+45\\h(x)=-5(x^2-2x+1)+45\\h(x)=-5x^2+10x-5+45\\h(x)=-5x^2+10x+40$

We can say the values of a,b, and c, now to be:

a = -5

b = 10

c = 40

The number of seconds at which the max would occur is given by the point, x, at:

$x=-\frac{b}{2a}$

We know a and b, let's find the seconds, x,

$x=-\frac{b}{2a}=-\frac{10}{2(-5)}=-\frac{10}{-10}=--1=1$

Hence,

1 seconds after being thrown, the stone reach its max height

6 0

3 years ago

Read 2 more answers

What is the change in the y-values and x-values on the graph? a. The change in the y-values is 40 and the change in the x-values

earnstyle [38]

Answer:

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3 years ago

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Twins issac and isaiah were just born issac weighs 6 pounds 2 ounces and isaiah weighs 5 pounds 4 ounces.How many ounces do issa

Ivanshal [37]

Answer: $11\ \text{pounds}\ 6\ \text{ounces}$

Step-by-step explanation:

Given

Issac and Isaiah born weighing 6 pounds 2 ounces and 5 pounds and 4 ounces.

1 Pound is equivalent to 16 ounces

Issac weighs

$\Rightarrow 6+\dfrac{2}{16}\ \text{Pounds}$

Isaiah weighs

$\Rightarrow 5+\dfrac{4}{16}\ \text{Pounds}$

Their combined weight is

$\Rightarrow 6+5+\dfrac{2}{16}+\dfrac{4}{16}\\\\\Rightarrow 11+\dfrac{6}{16}\ or\\\\\Rightarrow 11\ \text{pounds}\ 6\ \text{ounces}$

5 0

3 years ago

−7x−6y=2<br> 7x+4y=−6<br> solve for x and y

ikadub [295]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:x=-2,\:y=2}$

Step-by-step explanation:

$\begin{bmatrix}-7x-6y=2\\ 7x+4y=-6\end{bmatrix}$

$\mathrm{Substitute\:}x=-\frac{2+6y}{7}$

$\begin{bmatrix}7\left(-\frac{2+6y}{7}\right)+4y=-6\end{bmatrix}$

$\begin{bmatrix}-2-2y=-6\end{bmatrix}$

$\mathrm{For\:}x=-\frac{2+6y}{7}$

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2 years ago

The Surface Area of this cylinder rounded to the nearest square

kipiarov [429]

Answer:

1728

Step-by-step explanation:

2 $\pi$ r h

2 $\pi$ (11) × 14

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B= $\pi r^{2}$

B= $\pi$ 11^2 =121 $\pi$

S=2 $\pi$ rh + 2 $\pi r^{2}$

S=968 +2 x 121

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6 0

3 years ago