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Mademuasel [1]
2 years ago
15

What is the quotient of 8.1 x 10^8 and 4.5 x 10^5 expressed in scientific notation?​

Mathematics
1 answer:
blagie [28]2 years ago
3 0

Answer:

1.8 x 10^3

Step-by-step explanation:

(8.1 x 10^8) / (4.5 x 10^5) = 1800

1800 = 1.8 x 10^3

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What non-zero rational number must be placed in the square so that the simplified product of these two binomials is a binomial:
aleksandrvk [35]

The product would expand to

(7t-10)(5t+x)=35t^2+7tx-50t-10x=35t^2+(7x-50)t-10x

This is a trinomial, and the only way to make it a binomial is to cancel out a coefficient using our variable x.

So, we can cancel either the linear term or the constant term.

In the first case, we require

7x-50=0 \iff 7x=50 \iff x=\dfrac{50}{7}=\dfrac{49}{7}+\dfrac{1}{7}=7\dfrac{1}{7}

In the second case, we require

-10x=0\iff 10x=0 \iff x=0

But x must be a non-zero rational number, so this solution is not feasible.

7 0
3 years ago
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What is the value of x in the equation 3x-5=1/2x+2x
creativ13 [48]

Answer:

10

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x−5=

1

2

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1

2

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3x−5=(

1

2

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3x−5=

5

2

x

3x−5=

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Step 2: Subtract 5/2x from both sides.

3x−5−

5

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x−

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2

x

1

2

x−5=0

Step 3: Add 5 to both sides.

1

2

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Step 4: Multiply both sides by 2.

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x=10

4 0
3 years ago
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vovikov84 [41]
To find the answer:
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3 years ago
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I need help! I forgot how to do this!! Please help!
Dovator [93]

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2 x 2 = 4

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Each piece needs 3/4 of an inch. Divide 30 with 3

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c) 10 pieces is your answer

hope this helps

8 0
2 years ago
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Answer:

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Step-by-step explanation:

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