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lapo4ka [179]
3 years ago
8

Simplifying algebraic expressions -8(2k-7)

Mathematics
2 answers:
son4ous [18]3 years ago
8 0
-16k+56 check photo for steps and please mark as brainliest if i helped! thanks c:

Ronch [10]3 years ago
6 0

Answer:

-16k+56

Step-by-step explanation:

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Can someone help me answe this last quiz thank you
nlexa [21]

Answer:

225

Step-by-step explanation:

5^2 * 3^2

(5 * 5) * (3 * 3)

25 * 9

225

6 0
3 years ago
Read 2 more answers
A store is having a sale all items are marked 30% off
zepelin [54]
Since you didn’t put the numbers to find the amount, I’ll teach you how to.. Once you have the decimal figure, multiply it by the number for which you seek to calculate the percentage
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Nataliya [291]
The answer is 90, Because angle D is a 90 degree angle, and 180- 90=90, so the answer is 90.
7 0
3 years ago
Place parentheses in the expression 7^2+1-5x3 value is 135
SpyIntel [72]

Answer:

Step-by-step explanation:

[{((7^2)+1)-5}*3]

=[{(49+1)-5}*3]

=[{50-5}*3]

=[45*3]

=135

3 0
3 years ago
PLS HELP ME ASAP WITH 42!! (MUST SHOW WORK!!) + LOTS OF POINTS!! *best if show picture with work!!*
ddd [48]
I thought this would be simple, as I'm familiar with algebra and not really "The constant of proportionality," but I will do my best.

So this said "Constant of proportionality," is referring to basically the answers for the equation when X equals certain numbers.

Make a table of different answers when you plug in X and you get the 'Constant of proportionality.'

y = 2.5x + 3
y = 2.5(1) + 3
y = 2.5 + 3
y = 5.5

Since we plugged in 1 for X and got 5.5 for Y, our input and output is (1, 5.5)

Replace X for a different value, and you will get a bunch of different numbers that will in essence be your function inputs and outputs.  Make a table of these and you have your answer.

EXAMPLE - 
-= x =-   -= y =-
-= 1 =-   -= 5.5 =-
-= 2 =-   -= 8 =-
-= 3 =-   -= 11.5 =-
-= 4 =-   -= 13 =-


So there you have it.  I hope this helps!  If you have any further questions, don't hesitate to ask.
3 0
3 years ago
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