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3 years ago

Give an example of fractions that you would compare by finding common denominators

Mathematics

1 answer:

Kamila [148]3 years ago

8 0

3/5 x 4/8 ( For example, what is the product )

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Find the x intercept of the parabola with vertex 3,-2 and y intercept 0,7 round to the nearest hundredth

12345 [234]

An x-intercept is namely a "solution" or "zero" or "root" often called, and when that happens, y = 0, just like with any other x-intercept.

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
\begin{cases}
h=3\\
k=-2
\end{cases}\implies y=a(x-3)^2-2
\\\\\\
\textit{we also know that }
\begin{cases}
x=0\\
y=7
\end{cases}\implies 7=a(0-3)^2-2
\\\\\\
9=9a\implies \cfrac{9}{9}=a\implies 1=a\qquad therefore\qquad \boxed{y=(x-3)^2-2}$

so what is its x-intercept anyway?

$\bf \stackrel{y}{0}=(x-3)^2-2\implies 2=(x-3)^2\implies \pm\sqrt{2}=x-3
\\\\\\
\pm\sqrt{2}+3=x\qquad therefore\qquad (\pm\sqrt{2}+3~~~~,~~~~0)$

5 0

3 years ago

How to find for 19 in the happy number

Gnoma [55]

Answer:

Just hope for the best

Step-by-step explanation:

6 0

3 years ago

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Estimate the value of 102. ÷ 4.7

Maksim231197 [3]

Answer:

21.7

Step-by-step explanation:

divide

4 0

2 years ago

Each course at a community college is worth 1 or 2 credits. A group of students is taking a total of 16 courses that are worth a

Anuta_ua [19.1K]

Answer:

They are taking 12 2 credit courses

The are taking 4 1 credit courses

Step-by-step explanation:

x = 1 credit courses

y = 2 credit courses

The number of courses is 16

x+y = 16

The number of credits is 28 so multiply the course by the number of credits

1x+2y=28

Subtract the first equation from the second equation

x+2y =28

-x-y=-16

-----------------

y = 12

They are taking 12 2 credit courses

We still need to find the 1 credit courses

x+y = 16

x+12= 16

Subtract 12 from each side

x-12-12 = 16-12

x =4

The are taking 4 1 credit courses

6 0

3 years ago

Will mark brainliest to best answer, i need it asap!!!!!!!!!!!!!

Paha777 [63]

Answer:

please mark me as brainlest

Step-by-step explanation:

B is the answers for the question

7 0

2 years ago

Read 2 more answers