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nekit [7.7K]
3 years ago
13

Find the sum of the given polynomials.

Mathematics
2 answers:
enot [183]3 years ago
8 0
Number 4 is your answer
DanielleElmas [232]3 years ago
6 0

Answer:

the real answer is 10x^2 + 2x − 9

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5. Algebra Write an expression you can
AveGali [126]

Answer:

y=x^3

Step-by-step explanation:

I don't know y sha

6 0
3 years ago
Mrs. Smith bought 3 hats for $22.50. At this rate, how much is Mrs. Smith paying for 1 hat?
jolli1 [7]

Answer:

Hi! The correct answer is $7.5

Step-by-step explanation:

<em><u>~to find the price of 1 seperate thing divide price by the amount that has been bought~</u></em>

7 0
3 years ago
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Ms. Lorahs smartphone has 3.5 GB of free storage space, which is 27.5% of the total storage space on her smartphone. What is the
statuscvo [17]
12.73 GB total when rounded to the nearest 100th.

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4 0
3 years ago
A bag contains 30 lottery balls numbered 1-30 a ball is selected replaced then another is drawn find each probability
iogann1982 [59]
#1) 5/20
#2) 7/300
#3) 3/50
#4) 5/20

Explanation
For #1:
There are 15 even numbers out of 30.  Since it is replaced before drawing the second ball, there will be 15 odd numbers out of 30.  This gives us
15/30(15/30) = 225/900 = 5/20.

For #2:
There is 1 7 out of 30; then there are 14 numbers greater than 16 out of 30:
1/30(14/30) = 14/900 = 7/300

For #3:
There are 6 multiples of 5 out of 30; then there are 9 prime numbers out of 30:
6/30(9/30) = 54/900 = 3/50

For #4:
There are 15 even numbers out of 30; then there are still 15 even numbers out of 30:
15/30(15/30) = 225/900 = 5/20
7 0
3 years ago
Read 2 more answers
A diagnal is drawn on a square. How many triangles are formed ? What is the sum of the measures of the angles of a triangle? wha
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8 0
2 years ago
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