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pshichka [43]
3 years ago
9

Mary sold half of her comic books and then bought nine more. She now has eleven so how many did she began with ?

Mathematics
2 answers:
Naddika [18.5K]3 years ago
8 0

Answer:

4

Step-by-step explanation:

PSYCHO15rus [73]3 years ago
7 0
Mary had 4 comic books to start
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You are traveling to Colombia, where the currency is the Colombian peso (COP). The exchange rate is USD/COP 1,983.24 . How many
chubhunter [2.5K]
You would have 198,324 pesos. All you have o do is multiply 1,983.24 by 100
8 0
3 years ago
Ms. Erickson is going to see the hot air balloons in Albuquerque, New Mexico.
maks197457 [2]

Answer:

60

Step-by-step explanation:

You have to multiply the top and bottom of the fraction (2/5) by 30 so the denominator will be 150. You also have to multiply the top by 30 (2 times 30). The answer is 60 will be rainbow colored!

2 x 30 = 60

5 x 30 = 150

3 0
3 years ago
I WILL MARK YOU BRAINLIEST!I REALLY NEED HELP WITH 20 PLEASE HELP ME
Finger [1]

Answer:

AP is 11.25 so the answer is F

Step-by-step explanation:

Since they are similar triangles (due to the ~ symbol)

You can write this:

AC/XZ = AP/XQ

since XZ=12

XQ=5

AC=27

you can write:

27/12=AP/5

then cross multiply:

27x5=135

135/12=11.25

AP is 11.25

6 0
3 years ago
3. A technician worked 45 hours in one week He gets paid double for every hour over 40 hours that he works. If his regular wage
8090 [49]

Answer: 41,250$ (I think)

Step-by-step explanation:

1 hour —> 825$

40 hours —> 825$ x 40 = 33,000$

The after the 40 hours he gets paid x2 and he works for 5 hours

1 hour —> 825$ x 2 = 1,650$

5 hours —> 1650$ x 5 = 8,250$

33,000 + 8,250 = 41,250$

6 0
3 years ago
Find the condition of the expression:√3-2x-x^2
Alex73 [517]

Answer:

-1 <= x <= 1

Step-by-step explanation:

√((1-2x+x^2)+2-2x^2)

= √((1-x)^2 + 2*(1-x)(1+x) )

điều kiện là 1 - x > =0 và 1+x >=0

giải 2 bất phương trình trên ta thu đc kết ququả

7 0
2 years ago
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