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lana [24]
2 years ago
15

HELP HELP HELP pleaseesjnsnsns

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
4 0

Answer:

C.

Step-by-step explanation:

12x+3 add them together

amm18122 years ago
4 0
It’s B ! 7+4 is 11 not 12
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-4 1/2 - 1 1/4 + 1 3/8
professor190 [17]

Answer:

4 3/8

Step-by-step explanation:

8 0
2 years ago
Simplify the following expressions.
baherus [9]
1. 36x + 4
2. 30n + 42
3. -24p + 32
4. 24p -28
5. 15m - 30
6. 5x + 45
8 0
2 years ago
What is the sum of the last four terms of the series 7+9+11+...21
Sidana [21]

For sake of convenience, reverse the series, then it would be:

21,19,17.....7

a=21, d = -2,

s(4) = 4/2 (21+15)

s(4)=2(36)

s(4) = 72


8 0
3 years ago
Consider the following sets of sample data: A: $29,400, $30,900, $21,000, $33,200, $21,300, $24,600, $29,500, $22,500, $35,200,
Lana71 [14]

Answer:

CV for A = 21.8%

CV for B = 15.5%

Step-by-step explanation:

The formula for coefficient of variation is:

CV = Standard Deviation / Mean

So,

For A:

Mean = Sum/No. of items

= 391300/14

=$27950

and

SD = $6085.31

CV for A = 6085.31/27950 * 100

=21.77%

Rounding off to one decimal

CV for A = 21.8%

For B:

Mean = Sum/No. of items

= 43.58/11

=3.96

and

SD = 0.615

CV for B = 0.615/3.96 * 100

=15.53%

=15.5% ..

6 0
3 years ago
Solve this for 10 points: 2x-3y+4y+2x+9y
Mekhanik [1.2K]

Answer:

the answer . is 2y

Step-by-step explanation:

combine like terms

4 0
2 years ago
Read 2 more answers
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