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RideAnS [48]
2 years ago
8

Help with question pls I don't understand​

Mathematics
2 answers:
Mazyrski [523]2 years ago
6 0

Answer:

15x^3y+6x^2y^2+9xy^3

Step-by-step explanation:

3xy ( 5x^2 +2xy +3y^2)

Distribute the 3xy to all terms in the parentheses

3xy*5x^2+3xy*2xy+3xy*3y^2

15x^3y+6x^2y^2+9xy^3

Verdich [7]2 years ago
5 0

Answer:

15x^{3}y + 6x^{2}y^{2} + 9xy^{3}

Step-by-step explanation:

multiple everything in the brackets by 3xy

3xy x 5x^{2} = 15x^{3}y

3xy x 2xy = 6x^{2}y^{2}

3xy x 3y^{2} = 9xy^{3}

15x^{3}y + 6x^{2}y^{2} + 9xy^{3}

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1 point
swat32

Answer:

\log_{10}(147) = 2.1673

Step-by-step explanation:

Given

\log_{10} 3 = 0.4771

\log_{10} 5 = 0.6990

\log_{10} 7= 0.8451

\log_{10} 11 = 1.0414

Required

Evaluate \log_{10}(147)

Expand

\log_{10}(147) = \log_{10}(49 * 3)

Further expand

\log_{10}(147) = \log_{10}(7 * 7 * 3)

Apply product rule of logarithm

\log_{10}(147) = \log_{10}(7) + \log_{10}(7) + \log_{10}(3)

Substitute values for log(7) and log(3)

\log_{10}(147) = 0.8451 + 0.8451 + 0.4771

\log_{10}(147) = 2.1673

3 0
3 years ago
Permutations: 5!·4! is equivalent to what (5!)(4!)^2, (5)(4!)^2 or 20! ?
solniwko [45]

Answer:

5!*4! is equivalent to 5*(4!)^2

Step-by-step explanation:

5!*4! = 2880

5*(4!)^2 = 2880

4 0
3 years ago
A bag contains 4 oranges, 3 grapefruits, and 8 tangerines. A piece of fruit is chosen from the bag at random. What is the probab
NARA [144]
Answer is 3/15 which is simplified to 1/5 :)
7 0
3 years ago
Read 2 more answers
It costs the Quality company $.14 per mile to run its van. On Monday the van traveled 87.6 miles. How much did it cost to run th
Dafna1 [17]

Answer:

12.264

Step-by-step explanation:

* per would be saying the number of miles the van is running that day

.14 x 87.6

= 12.264

7 0
3 years ago
write an even number with a 7 in the hundred place and a odd in the thousends place and is a multiple of 10
Marta_Voda [28]
5,722 should be the answer.
6 0
3 years ago
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