2 years ago

Which algebraic expression is a difference with two terms?

Mathematics

1 answer:

shepuryov [24]2 years ago

3 0

Answer:

C. 5y -7 is an algebraic expression difference with two terms.

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Can someone clearly explain and workout Q19? Much appreciated

Anna007 [38]

The x coefficient is 2
Take half of 2 to get 2/2 = 1
Square 1 to get 1^2 = 1

Add and subtract 1 to the expression. This is the same as adding 0.

x^2 + 2x + 2
x^2 + 2x + 2 + 0
x^2 + 2x + 2 + (1-1)
(x^2 + 2x + 1) + 2 - 1
(x+1)^2 + 1

Answer: (x+1)^2 + 1

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3 years ago

Ted says that 7 tenths multiplied by 10 equals 70 hundredths. Is he correct? Use a place value chart to explain your answers

shutvik [7]

No he isn't..
. 7×10=7
for each time it's multiplied by ten, the decimal point goes back one.

3 0

2 years ago

Each student wrote a two-step equation. Peter wrote the equation 4x-2=10, and Andres wrote the equation 16x-8=40. The teacher lo

natima [27]

Both variables (x) are 3.

4×3=12
12-2=10

16×3=48
48-8=40

3 fits the variable of the missing number.

8 0

2 years ago