1 year ago

2×3+42×2what's 2 * 3 + 4 * 2

Mathematics

1 answer:

ludmilkaskok [199]1 year ago

3 0

To know the result, we need to make first the multiplications and then the sum, So:

2 * 3 + 4 * 2

( 2 * 3) + (4 * 2)

6 + 8

For the following expression, the result is:

2×3 + 42×2

(2×3) + (42×2)

6 + 84

Answer: 14

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4x+9xy-3xy=? I really need help please

Lesechka [4]

Answer:

6xy+4x

Step-by-step explanation: You start off by gathering the like terms (which are 9xy & -3xy) and then you just keep 4x there. You then subtract 9xy-3xy=6xy and bring down the 4 since it has no like terms. So it’s 6xy+4x.

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3 years ago

a restaurant offers a lunch special in which a customer can select from one of the 7 appetizers, one of the 10 entrees, and one

Amiraneli [1.4K]

Answer:

420

Step-by-step explanation:

Each of the 7 appetizers can be paired with one of 10 entrees, and each entree can be paired with one of 6 desserts. So the number of combinations is:

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3 years ago

Kelly is knitting a scarf for her brother. It took her 2/3 hour to knit 5/6 foot of the scarf. How fast is Kelly's knitting spee

juin [17]

Answer:

C. 4/5 feet per hour

Step-by-step explanation:

All you wanna do is to divide 2/3 and 5/6

then you'll have 4/5

Hoped this helps!

4 0

3 years ago

If f(x) = 3x^2 - 4x + 5 and g(x) = 2x^2 + 2,<br> find f(x) – g(x).<br><br> Answer: x^2 - 4x + 3

Nadusha1986 [10]

Answer:

f(x) – g(x) = x^2 - 4x + 3

Step-by-step explanation:

f(x) = 3x^2 - 4x + 5 and g(x) = 2x^2 + 2,

f(x) – g(x) = 3x^2 - 4x + 5 - ( 2x^2 + 2)

Distribute the minus sign

f(x) – g(x) = 3x^2 - 4x + 5 - 2x^2 - 2

Combine like terms

f(x) – g(x) = x^2 - 4x + 3

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3 years ago

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ss7ja [257]

Answer:

(D) y³ - 8y² +8y +5

Step-by-step explanation:

y³ - 6y²+ 5y - (2y²- 3y - 5 ) = y³ - 6y² + 5y - 2y² + 3y +5 = y³ - 8y² +8y +5

8 0

3 years ago