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maw [93]
3 years ago
7

Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchas

es.
Mathematics
1 answer:
Olin [163]3 years ago
6 0
Hi, so first u have to multiple 12×6=72 then next u divide by 2 which must five u a food start
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Solve by factorising x2+8x+15=0
Alex_Xolod [135]

Answer:

Hi! The correct answer is x= -3 ,-5!

Step-by-step explanation:

<em>~Factor and set each factor equal to 0~</em>

6 0
3 years ago
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Amber earned $14.50 babysitting on Saturday. On Sunday, she spent $6.95 when she purchased a movie ticket. She needed to borrow
KIM [24]

Answer:

11.95

Step-by-step explanation:

If she had $6.95 and she owed her friend 5 dollars that means the friend gave her 5 dollars. So $6.95 + $5 = to $11.95. So that's how much the snack cost

5 0
2 years ago
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Suppose we have a bag with 10 slips of paper in it. Eight of these have a 2 on them and the other two have a 4 on them.
irga5000 [103]

Answer:

The expected value of one draw is the average value of these 10 slips of paper which is:

24 / 10  =  2.4

Step-by-step explanation:

We have a bag with 10 slips of paper in it. 8 slips of paper each has a 2 on them; 2 slips of paper each has a 4 on them.

The total value of all the slips when added together is:

= (8)(2) + (2)(4)  

=  16 + 8 = 24

The expected value of one draw is the average value of these 10 slips of paper which is:

24 / 10  =  2.4  ....

7 0
3 years ago
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75% of _____ oranges is 15 oranges (Fill in the blanks)
Mila [183]
Try this:  0.75n = 15.  Divide both sides by 0.75 to solve for n:  n  = 15/0.75
                                                                                                    n = 20

There are originally 20 oranges.

8 0
3 years ago
At lunch, Kira eats either a burrito containing 490 milligrams of sodium or a peanut butter sandwich containing 700 milligrams o
Svet_ta [14]
490x + 700y <span>≤  4000. "No more than" is a rephrase of "less than or equal to".</span>
3 0
3 years ago
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