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lapo4ka [179]
3 years ago
11

What is 2x+3x+x+9 simplified

Mathematics
2 answers:
murzikaleks [220]3 years ago
4 0
6x+9 hope this helps
Rashid [163]3 years ago
3 0

Answer:

6x+9

Step-by-step explanation:

2x+3x+x equals 5x

then you have the nine left over so you get 6x+9

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Jason has 4 gallons of hand sanitizer that contains 25% alcohol. He wants to make a hand sanitizer that contains 50% alcohol. Ho
alexandr402 [8]

Answer:

2 gallons of pure alcohol

Step-by-step explanation:

Let x represent the number of gallons of pure alcohol needed, and create an equation:

4(0.25) + x(1) = (x + 4)0.5

1 + x = 0.5x + 2

x = 0.5x + 1

0.5x = 1

x = 2

So, 2 gallons of pure alcohol should be added.

8 0
2 years ago
Daniel worked for 2 1/3 hours and earned $18.20.
andriy [413]
He gets 7.80 an hour so you multiply 7.8 by 5.25 hours
6 0
3 years ago
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What is the value of the expression (36 1/2)^2
Korolek [52]
324 is the answer to your promblem welcome
4 0
2 years ago
PLEASE HELP!!!
zhuklara [117]

Answer:

1 think 89

Step-by-step explanation:

3 0
3 years ago
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Question: Antonio is working with a new geometric series generated by the equation A(n)=20(1.1)^n-1.His sister challenged him to
Mekhanik [1.2K]

Answer:

sum of 22nd = 1,428.05

sum of 23 to 40 is 932.53

Step-by-step explanation:

A(n)=20(1.1)^n-1

20 is the first term or a1

1.1 is the common ratio or r

A(22) = 20(1.1)^22-1

22nd term = 20(1.1)^21

22nd term = 148.00

sum of geometric sequence

formula

Sn = a1(1-r^n)/1-r

Sn = sum

a1 = first term

n = number of term

r = constant ratio

sum of 22nd = 1,428.05.

23 to 40 is 17 terms

Sequence: 23, 25.3, 27.83, 30.613, 33.6743, 37.04173, 40.745903 ...

The 17th term: 105.684378686

Sum of the first 17 terms: 932.528165548

socratic

miniwebtoolcomgeometricsequencecalculator

6 0
2 years ago
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