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Lera25 [3.4K]
3 years ago
14

What is the answer for 2z+7

Mathematics
1 answer:
Fudgin [204]3 years ago
3 0

Answer:  Not enough information  but I can tell you howto answer it


Step-by-step explanation:

2*z=     then add 7

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Sally is arranging her books on shelves. She has 16 adventure books, 32 mysteries, and 12 biographies. She wants each shelf to h
lara [203]

Answer:

4

Step-by-step explanation:

The number of shelves must be a factor of the number of books from each category. (Because you are using multiple shelves). You are looking for the greatest amount, so you need to greatest, common factor (GCF) from each bunch of books.

GCF of 12, 16, 32 is 4.

4 0
3 years ago
Read 2 more answers
Solve and show your work for each question a). B). C).
Andreyy89

Answer:

Step-by-step explanation:

a) Here, the first term is .48 and the common ratio is 1/100 (since each new 48 is 1/100 th of the previous 48).                                   a

Use the formula s = sum of geometric series = -----------

                                                                                  1 - r

                                           0.48              48

which in this case is s = --------------- = ------------ = 48/99 = 16/33

                                          1 - 1/100        100 - 1

Check this result by finding 16/33 on a calculator.  Is the result equal to 0.484848484848.... ?  Yes

b) Here we have the bar over the 8 only.  0.48 with the bar over the 8 is equivalent to 0.4888888888 ...

                                                              0.08

or 0.4 + 0.0888888888 ...      or 0.4 + ------------

                                                                1 - 1/10

                                             

                                              0.08                       8

and this simplifies to 0.4 + ------------  =  0.4 + ---------

                                                9/10                      90

Evaluating this last result on a calculator results in 0.488888888 ...

c)  0.48 expressed as a fraction is  48/100 = 12/25

6 0
3 years ago
Which algebraic expression represents "one-third of the number s, plus t"?
TiliK225 [7]

Answer:

A) s/3 +t

Step-by-step explanation:

To represent 1/3 of a number, we can simply divide this number by 3, meaning if s is the number, 1/3 of s would be s/3. Now to add t all we have to do is + t, making our answer s/3 + t

6 0
3 years ago
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The ratio of my action to comedy movies is 4:5. If I have 35 comedy movies, how many are action? *
iogann1982 [59]

Answer:

28 action movies

Step-by-step explanation:

  1. Set up a proportion: \frac{4}{5} = \frac{x}{35}  
  2. Cross multiply, then divide: 35 × 4 = 140, 140 ÷ 5 = 28
  3. So, if you have 35 comedy movies, you would have 28 action movies.

I hope this helps!

8 0
3 years ago
Write the quadratic equation in standard form:<br> 4x2 – 20 = -6x
timofeeve [1]

Answer:

4x^2+6x-20=0

Step-by-step explanation:

8 0
2 years ago
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