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Juli2301 [7.4K]
3 years ago
15

Simplify the expression: 4(2a)+7(-4b)+(3b-5)

Mathematics
1 answer:
Alexus [3.1K]3 years ago
8 0
8a-25b-5 is the answer to ur question
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1/7 divided by 4 equals
gulaghasi [49]
1/ 28 is the answer.
= 1/7 ÷4
= 1/7 ÷ 4/1
=1/7 X 1/4 
Multiply top by top, bottom by bottom
=1/28 

If you do not know how to do it:
First make both sides into a fraction ( Whole numbers always have a 1 as a denominator).
Then you reciprocate (Flip) the second fraction.
Finally you multiply top by top, bottom by bottom
You get the answer!<span />
6 0
3 years ago
Which relationship is always correct for the angles p, q, and r of triangle ABC?
irakobra [83]
The correct answer is "D".

q+r=p

Because the missing angle would equal 180-q-r, it would be the same as p. The one angle (the unmarked) is supplementary to the missing angle. (180 degrees)

I hope this helps!
~kaikers
8 0
3 years ago
Determine the recursive function that defines the sequence.
Strike441 [17]
<h2>Answer:</h2>

Option: C is the correct answer.

    C.   f(1)=4\\\\f(n)=5\cdot f(n-1)\ ;\ n\geq 2  

<h2>Step-by-step explanation:</h2>

Recursive Formula--

It is the formula which is used to represent the nth term of a sequence in terms of (n-1)th term of the sequence.

Here we are given a table of values by:

            n            f(n)

            1              4

            2             20

            3             100  

i.e. when n=1 we have:

f(1)=4

Also,

f(2)=20\\\\i.e.\\\\f(2)=5\cdot 4\\\\i.e.\\\\f(2)=5\cdot f(1)

Also,

f(3)=100\\\\i.e.\\\\f(3)=5\cdot 20\\\\i.e.\\\\f(3)=5\cdot f(2)

Hence, the recursive formula is:

f(n)=5\cdot f(n-1)\ for\ n\geq 2

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22.50 is your answer
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Correct Answer: x=17
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