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alexira [117]
3 years ago
13

Plssss help i need a good grade

Mathematics
2 answers:
dsp733 years ago
7 0

Answer:

D.

Step-by-step explanation:

  • so first we'll write the exponential form which is: 3²ˣ⁻¹⁶=3⁴ˣ⁻¹²
  • since we got the same bases the exponents can now be written as equals: 2x-16=4x-12
  • Switch the numbers around to get the x's on one side and the numbers on the other side: 2x-4x=-12+16
  • Add/subtract the values: -2x=4
  • divide by -2 to get x by itself: -\frac{-2x}{-2} = \frac{4}{-2}
  • that should leave you with option D: x=-2
topjm [15]3 years ago
4 0

Answer:

Its either 2 or -2

Step-by-step explanation:

Im sorry, im not entirely sure which one but im pretty sure its a negative (i get confused sometimes)

Just go with one of those two answers ( C or D)

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-5 and 3 over 4 subtracted from 3 and a half
S_A_V [24]
I think I understand what you are asking but its hard to be sure.

I think its -5 3/4 subracted from 3 1/2

If the question above is the same as you are asking then your answer is -9 1/4
or as a decimal -9.25
6 0
3 years ago
Read 2 more answers
20 POINTS FOR GEOMETRY QUESTION!!
SIZIF [17.4K]
The answer is 1/4 



Explanation
===============================
The question focuses on "if the student is known to be a boy..."  we would obviously know that we would focous on only the total of the boys.    

We have the formula for the probability of an event of happening which we would call event A (a boy being left-handed).  P(A)= number of favorable outcomes/ total number of possible outcomes.  The left-handers would go in the favorable outcomes since we want the probability of a boy being left handed and we would place the total boys in the total number of possible outcomes since all of them are going to be the one to be randomly picked.    50 left-handed/ 200 total boys.   We have our fraction that is 50/200 as the probability but we can simplify it!   We simplify 50/200 to get 1/4!!!  1/4 is the probability of a boy being picked that is left-handed!

Hope this helps!
6 0
4 years ago
John’s piggy bank contained 7 dimes and 3 quarters. He pulled out 1 coin without looking. Without replacing the first coin, John
yKpoI14uk [10]
Probability Trees - See linked image

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Each set of branches represents the probabilities of on coin being removed, the second set is out of 9 as the first coin is taken and not replaced.
Multiply along the lines to work out the probability of each of the combinations.

*Even though only 'Dime Dime' is needed, it is best to do all of them as this way you are able to get all marks in an exam; you can also add up all the final values as a check to see if you are right.

5 0
3 years ago
Round 23,879 to the nearest thousand
Vlad [161]
23, 879 to the nearest thousand.

The thousand digit is  the 3, and we look at the digit after 3, which is 8, since 8 is more than 5, we round up the 3 to 4.

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I hope this explains it.
3 0
3 years ago
Bill has $10 coupon for the party store. He needs to buy 25 balloons for a birthday party. If each balloon costs $1.99, and Bill
natita [175]

The total cost of his purchase is $9.95

Bill has a $10 coupon

He needs to buy 25 balloons

Each balloons cost $1.99

The first step is to divide the coupon amount which is $10 by the cost of the balloon which is $1.99

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= 5

The next step is to multiply 5 by the cost of the balloon which is $1.99

5× 1.99

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Read more here

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5 0
1 year ago
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