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Bingel [31]
3 years ago
12

How to subtract a fraction and a whole number

Mathematics
1 answer:
Fantom [35]3 years ago
3 0
You can change the whole number to be an improper fraction depending on the denominator of the fraction.
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Solve 81^x = 27^x+2<br> X=1<br> X=2<br> X=5<br> X=6
MaRussiya [10]
The answer is x = 6 let me know if you need more help
7 0
3 years ago
Read 2 more answers
If y varies directly as x, and y is 12 when x is 1.2, what is the constant of variation for this relation? A) 1 B) 10 C) 10.8 D)
Anit [1.1K]
\bf \begin{array}{cccccclllll}&\\&#10;\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\&\\&#10;\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\&\\&#10;y&=&{{ k}}&\cdot&x&\\&#10;&\\&#10;&&  y={{ k }}x&\\&#10;\end{array}& \\\\\\&#10;\textit{we know that }&#10;\begin{cases}&#10;y=12\\&#10;x=1.2&#10;\end{cases}\implies y=kx\implies 12=k\cdot 1.2

solve for "k" to find "k", or the "constant of variation"
6 0
3 years ago
Read 2 more answers
Need help ASAP!!! Pleasee
stira [4]

f ( - 1 ) = - 8 [ approximately ]

f ( 1 ) = - 12 [ approximately ]

4 0
3 years ago
Plot the set of points and identify the shape. Then find the perimeter of the polygon.
Ivahew [28]

Answer:

P = 40 units

Step-by-step explanation:

P = s + s +s + s

P = 8 + 8 + 12 + 12

P = 40 units

4 0
2 years ago
Find the value of the term in the arithmetic sequence using an = a^1+ (n-1)d. 3,5,7,9,11, (8th term)
saveliy_v [14]
<h3>Answer:  17</h3>

=========================================================

Work Shown:

a1 = 3 = first term

d = 2 = common difference (since we add 2 to each term to get the next one)

Let's compute the nth term.

an = a1 + (n-1)*d

an = 3 + (n-1)*2

an = 3 + 2n-2

an = 2n+1

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

To check things so far, we can plug in something like n = 2

an = 2n+1

a2 = 2*2+1

a2 = 5

Showing that the 2nd term is 5, which matches with the sequence given to us

Let's check n = 3

an = 2n+1

a3 = 2*3+1

a3 = 7

That matches as well. I'll let you check the others.

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

Plug in n = 8 to find the 8th term

an = 2n+1

a8 = 2*8+1

a8 = 17

The eighth term is 17, which is the final answer.

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

You could extend out the given sequence by adding 2 each time until you reach the 8th term

3,5,7,9,11,13,15,17

Though this method is slow if you need to find say the 38th term

8 0
2 years ago
Read 2 more answers
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