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kotykmax [81]
3 years ago
9

Mario simplified the expression (4 z Superscript 8 Baseline) Superscript negative 3 as shown.

Mathematics
2 answers:
professor190 [17]3 years ago
7 0

Answer:

He should also have applied the exponent –3 to 4 to get 4^- 3 z^8(-3)= 4^3 z ^24 Baseline =1/64 z^24 basically the last one.  

just took the test if the answer is right give thanks please and thank you.

elena55 [62]3 years ago
5 0

Answer:D

Step-by-step explanation:

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What are the roots of x^3-8=0?
algol [13]

Answer:

hello : x = 2

Step-by-step explanation:

note : a^3 = b^3  : a=b

x^3-8=0

x^3=8

x^3= 2^3

so : x=2

7 0
2 years ago
Total of a pounds of apples and b pounds of plums were packed into n boxes. How many pounds of fruit are there in each box?
ICE Princess25 [194]

Answer:

Step-by-step explanation:

b , n, and a are variables so you cant solve but can be put in an equation which is b+a/n

3 0
3 years ago
Mary's total bill for a used car is $2,700.00. If she pays an equal amount each month for an entire year, how much will she have
nasty-shy [4]

Answer:

  $225

Step-by-step explanation:

When Mary pays the cost in 12 equal payments, each is 1/12 of the total amount.

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  1/12 × $2700 = $225

Mary will have to pay $225 each month.

4 0
1 year ago
Please answer right away
irina1246 [14]

Answer:

$29000 with a margin of error of $5000

Step-by-step explanation:

We have that the midpoint between the given values ​​is

(X1+X2) / 2 = ($34000+$24000)/2 = $29000

We have that the midpoint between the given values ​​would be

(X2-X1)/2=($34000-$24000)/2=$10000/2=$5000

So I can write that approach as $29000 with a margin of error of $5000

Done

5 0
3 years ago
Kim is 5 years older than her brother Jack. If the sum of their ages is 21, find each of their ages.
yarga [219]

9514 1404 393

Answer:

  • Kim is 13
  • Jack is 8

Step-by-step explanation:

Let k represent Kim's age. Then Jack's age is k-5 and the total of their ages is ...

  k + (k -5) = 21

  2k = 26 . . . . . . . add 5, collect terms

  k = 13 . . . . . . . . . divide by 2; Kim's age

  k -5 = 8 . . . . . . . Jack's age

Kim is 13; Jack is 8.

7 0
2 years ago
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