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vladimir1956 [14]
3 years ago
14

What property is shown in 3x+4y+2+6y+3

Mathematics
1 answer:
True [87]3 years ago
8 0

Answer:

Step-by-step explanation:

I think its substitution

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Raul has 40 toy cars in his collection.
rosijanka [135]

Answer:

37

Step-by-step explanation:

40-1-2=37 silver cars

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3 years ago
What is the variance?<br> What is the standard deviation, rounded to the nearest whole number?
Dmitry [639]

Answer:

What is the variance? 84000

 What is the standard deviation, rounded to the nearest whole number? 290

5 stars if this helped  

Step-by-step explanation:

8 0
3 years ago
3/7 of the students in a school are girls. If there are 64 boys find how many girls there are
Natasha_Volkova [10]

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About 28

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Please help me figure this out it’s due on 15 minutes
Olin [163]

Answer:

Step-by-step explanation:

1. area of square=10²=100 cm²

area of circle=πr²=π×2.5²=6.25π cm²

reqd. area=100-6.25π ≈80.375 cm²

2.

area of circle=π×2.5²=6.25π≈6.25×3.14≈19.625 cm²

area of rectangle=4×3=12 cm²

reqd. area=19.625-12≈7.625 cm²

3.

area of two circles=2×π×3²=18π≈18×3.14≈56.52 cm²

area of square=12²=144 cm²

reqd. area=144-56.52≈87.48 cm²

4.

area of smaller circle=π×4²=16π cm²

area of bigger circle=π×8²=64π cm²

area of two circles=16π+64π=80π cm²

diameter of bigger circle=4+4+8+8=24 cm

diameter of biggest circle=π×12²=144π

area of shaded region=144π-80π=64π≈200.96 cm²

5 0
3 years ago
Which expression is equivalent to?
balandron [24]
The answer is number 2
8 0
3 years ago
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