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Lisa [10]
3 years ago
13

Lily likes to collect records. Last year she had 10 records in her collection. Now she has 12 records. What is the percent incre

ase of her collection?
Mathematics
1 answer:
Oliga [24]3 years ago
4 0

Answer:

12 - 10 = 2

2/10 × 100

= 20%

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How many different 3-digit PIN codes are there that only include the digits 7, 4, 3 and 2?
KengaRu [80]

Answer:

64

Step-by-step explanation:

We can use the product rule of counting to answer this:

There are 4 possibilities for the 1st digit
There are 4 possibilities for the 2nd digit
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So we use the product rule of counting to give us:

4×4×4=64

6 0
2 years ago
What is the answer for -7 +4
lianna [129]

Answer:

answer is -3

Step-by-step explanation:

we know -,+ is -. so minus, plus is minus(here minus and plus are the signs given. opposite signs give minus wheras same signs give plus)

so, first we should subtract 7 minus 4 is 3,.

then we should insert the minus because the greater number has the minus sign. ( you should always insert a sign of a greater number after substituting)

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3 years ago
Jorge bought 16 apples for $8.00.
maks197457 [2]

assuming that 0 apples costs 0 dollars

and 16 apples costs $8


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graph below

5 0
3 years ago
Use a drawing of counters to show 5 and then +7
Rama09 [41]

red red red red red yellow yellow yellow yellow yellow yellow

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3 0
2 years ago
I need help solving this pls
Oksana_A [137]

Answer:

Adding them together. x = 3/2, y = 8

Step-by-step explanation:

Adding because we want to get rid of a variable. If we add, 2x + 6x = 8x, 1/2 * y + (-1/2 * y) = 0, and 7 + 5 = 12. Adding gets rid of the y variable.

By adding we get that 8x = 12 which gives us x = 12/8 = 3/2

Substituting this back into either equation will give us y = 8.

8 0
2 years ago
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