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3 years ago

What is 880005 rounded to the nearest hundred thousand

Mathematics

2 answers:

pentagon [3]3 years ago

6 0

The answer to your question is 900000

erastova [34]3 years ago

4 0

900000 because the ten thousands place is the first number

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How can you use 1300 divided by 13 to help you find 1,287 divided 13

tiny-mole [99]

Answer:

Step-by-step explanation:

This question is about the benefits of estimation.

1300/13 is easy and results in 100.

1287/13 can be approximated by 1300/13: 1287/13 ≈ 100.

Actually, 1287 = 1300 - 13 = 13(99); just subtract 1 from 100.

So: 1287/13 = 1300 - 13 = 1287. A nice bit of mental math!

6 0

3 years ago

I need help with these ASAP thanks

Nataly_w [17]

Answer:

a. $y=\frac{2x}{x-5}$

b. $y=\frac{2-4x}{x-3}$

Step-by-step explanation:

change switch x and y and then solve for y.

a. $x=\frac{5y}{y-2}$

$x(y-2)=5y$

$xy-2x=5y$

$xy-5y=2x$

$y(x-5)=2x$

$y=\frac{2x}{x-5}$

same for b.

b. $x=\frac{3y+2}{y+4}$

$x(y+4)=3y+2$

$xy+4x=3y+2$

$xy-3y=2-4x$

$y(x-3)=2-4x$

$y=\frac{2-4x}{x-3}$

4 0

3 years ago

I need help solving this question with explaining please <br> ANSWER ASAP!!!!!!!!!

andrew11 [14]

x = 85 degrees and

y = 45 degrees.

Step-by-step explanation:

Step 1:

The angle for a straight line is 180°. The sum of the angles in a triangle is 180°. These two statements are required to solve this problem.

The angles of x° and 95° are on a single straight line.

So $x^{\circ} + 95^{\circ} = 180^{\circ}.$

$x^{\circ} = 180^{\circ} - 95^{\circ} = 85^{\circ} .$

So the angle of x is 85°.

Step 2:

The sum of the angles in a triangle is 180°.

So $50^{\circ} + x^{\circ} + y^{\circ} =180^{\circ}.$

$50^{\circ} + 85^{\circ} + y^{\circ} =180^{\circ}.$

$y^{\circ} =180^{\circ} - 135^{\circ}, y = 45 ^{\circ}.$

So the angle of y is 45°.

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3 years ago

How many ordered pairs (x, y) of positive integers satisfy the inequality 4x + 5y < 20?

lorasvet [3.4K]

Answer:

Step-by-step explanation:

The ordered pairs that satisfy the inequality are shown in the attachment. There are 6 of them.

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3 years ago

How many cups of red paint should be added to 1 cup of white paint

vesna_86 [32]

Answer: I think it's four

Step-by-step explanation:

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3 years ago