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2 years ago

Name three numbers whose product is about 9,000

Mathematics

2 answers:

Fed [463]2 years ago

5 0

1x9000
3x3000
2x4500
I hope this is what you are looking for

s344n2d4d5 [400]2 years ago

3 0

3 x 3000

30 x 300

9000 x 1

hope this helps

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The price of a watch was increased by 7% to £1350. What was the price before the increase? Give your answer to the nearest penny

frutty [35]

Answer:

1261.68

Step-by-step explanation:

1350 = the increased watch price= 107% of the original

1350= 1.07x

1261.68224299

Check:

7% of 1261.68224299 is 88.317757

1261.68224299 + 88.317757 = 1349.9 = 1350

Round:

1261.68224299

To the penny= to the hundreth= 1261.68

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2 years ago

Is the ordered pair (4,-3) a solution for the following system of linear inequalities?

Sergio039 [100]

Answer:

Step-by-step explanation:

(4, -3) when plugged into the inequality x + y < 1 is not true

4 + (-3) < 1 is not true because 1 is not less than 1

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3 years ago

Round this number to two significant figures. 72.8 1. 72 2. 73 3. 73.0 4. 74

marishachu [46]

The answer is 73 because 8 is more than 5 so it rounds up to be 73

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3 years ago

Which of the expressions below can be factored using the difference of squares method?

zlopas [31]

Answer:

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

Step-by-step explanation:

The Difference of Squares Method for Factoring

The expression:

$a^2-b^2=(a-b)(a+b)$

Is a widely used method to factor binomials that are expressed as the subtraction of two perfect squares.

The condition for a binomial to be factored by using this method is that both terms must have an exact square root and they must be subtracted.

The last two choices are not valid because they are not a subtraction but an addition.

The first choice is not valid because none of the terms is a perfect square.

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

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2 years ago

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Dafna11 [192]

Answer:

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Step-by-step explanation:

7 is closer to 10 then 0. 4,310 + 10 = 4,320

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3 years ago