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vodomira [7]
3 years ago
14

How do I solve this I’m dumb

Mathematics
1 answer:
laila [671]3 years ago
8 0
-1/4 + f/8 = 1/2.
The LCD is 8.  Rewrite this equation as    -8/4 + 8f/8 = 8(1/2) and then reduce the result:

-2 + f = =4

Then f = 6.

You should check this result.

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A stack of books is 21 inches tall. Each book is 1 3/4 inches. How many books are there?
Maru [420]
There are twelve books
3 0
3 years ago
Read 2 more answers
Simplify (x2 16)(x2-16)? <br><br> A. x4- 256<br><br> B. x256 <br><br> C. x432 <br><br> D. x4-32
tiny-mole [99]
(x² + 16)(x² - 16)
= (x²)² - 16²
= x⁴ - 256
7 0
3 years ago
In the year 1995, there were 1200 students at pine elementary school. In the year 2010 there were 1500 students. Find the rate o
AnnZ [28]

The rate of change from 1995 to 2010 is 20 students per year and the linear function that models the data will be: y=20x-38700

<em><u>Explanation</u></em>

In the year 1995, there were 1200 students and in the year 2010, there were 1500 students.

If x represents the year and y represents the number of students, then two points in form of (x,y) will be: (1995, 1200) and (2010, 1500)

So, the rate of change or slope = (change in value of y / change in value of x) =\frac{1500-1200}{2010-1995}= \frac{300}{15}=20

Now, plugging  slope(m) = 20 and first point (x_{1}, y_{1}) =(1995,1200)  into <u>point slope form of linear equation</u> y-y_{1} =m(x-x_{1}) , we will get.....

y-1200=20(x-1995)\\ \\ y-1200=20x-39900\\ \\ y= 20x-39900+1200\\ \\ y= 20x-38700



4 0
3 years ago
I need hep plz quick
Harman [31]
.15 repeating which is the 2nd one
7 0
3 years ago
Read 2 more answers
Help please..... I cant find the answe​
k0ka [10]

Answer:

6^{30}

Step-by-step explanation:

Using the rules of exponents

(a^m)^{n} ⇔ a^{mn}

\frac{a^{m} }{a^{n} } ⇔ a^{(m-n)}

Given

\frac{(6^-4)^{-9} }{6^6}

= \frac{6^{36} }{6^{6} }

= 6^{(36-6)}

= 6^{30}

5 0
3 years ago
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