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3 years ago

Which number shows 6,312 rounded to the nearest ten? 6,300 6,310 6,320 6,330

Mathematics

2 answers:

Fiesta28 [93]3 years ago

7 0

1 is in the tens place

we look at 2

2 <5 so we leave it alone

6,310

Choice B

mart [117]3 years ago

3 0

tens are the second number after decimal

or in this number 7564 the 6 is the 10s number so it'd be 7560

so can you do yours now?

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Tan(x)=2

nydimaria [60]

<span>Tan(x)=2
Or for x=45 tan(x)=1
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3 years ago

Plz answer its easy math.

Serga [27]

<h2>Greetings!</h2>

Answer:

B and E

Step-by-step explanation:

The rules of indicies states:

$x^{a}$ ÷ $x^{b}$ = $x^{a-b}$

So $3^{-8}$ ÷ $3^{-4}$ = $3^{-8 - - 4}$ = $3^{-4}$

So that means B is one of the correct answers.

To find the other correct value, you can divide the two fractions as stated in the question:

$3^{-8}$ by $3^{-4}$ = $\frac{1}{81}$

81 is equivalent to 3⁴

So that means E is also correct.

<h2>Hope this helps!</h2>

3 0

3 years ago

Read 2 more answers

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ch4aika [34]

Answer : $9x^2 - 25 = (3x - 5)(3x + 5)$

(1) $9x^2 - 25 = (3x - 5)(3x - 5)$

Use FOIL method to mulitply (3x – 5)(3x – 5)

$(3x - 5)(3x - 5) = 9x^2 - 30x + 25$

(2) $9x^2 - 25 = (3x - 5)(3x + 5)$

Use FOIL method to mulitply (3x - 5)(3x + 5)

$(3x - 5)(3x - 5) = 9x^2 - 15x + 15x - 25 = 9x^2 - 25$

(3) $9x^2 - 25 = -(3x + 5)(3x + 5)$

Use FOIL method to mulitply -(3x + 5)(3x + 5)

$-(3x + 5)(3x + 5) = -(9x^2 + 30x + 25) = -9x^2 -30x -25$

(4) $9x^2 - 25 = -(3x + 5)(3x - 5)$

Use FOIL method to mulitply -(3x + 5)(3x - 5)

$-(3x + 5)(3x - 5) = -(9x^2 - 25) = -9x^2 + 25$

So equation 2 is true

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3 years ago

Read 2 more answers

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pochemuha

I'm going to get back to you after I answer this

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3 years ago