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2 years ago

Which number is closest to - 67 (square root)? A. -9.2 B. -9.4 C. -7.9 D. -8.1

Mathematics

2 answers:

Fed [463]2 years ago

6 0

Answer:

D. -8.1

Step-by-step explanation:

Squares of natural numbers are

{1,4,9,16,25,36,49,64,81,...}, which are squares of {1,2,3,4,5,6,7,8,9,....}

As 65 lies between 64 and 81, square root of

65 lies between 8 and 9 Further, 8.1 2 = 65.61, and as 8.02 = 64, the square root of 65 lies between 8.0 and 8.1.

dezoksy [38]2 years ago

4 0

-8.1 is that ansejevdjdosos

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I will mark as brainiest

Margaret [11]

If two triangles are similar, then their side lengths are proportional.

RS / JK = RT / JL

5 / x = 4 / 7

4x = 35

x = 35/4 = 8.75

RT / JL = TS / LK

4 / 7 = 6 / (y + 2)

42 = 4(y + 2)

42 = 4y + 4

4y = 38

y = 38/4 = 9.5

LK = 9.5 + 2 = 11.5 cm

JK = x = 8.75

Hope this helps!

8 0

2 years ago

Factor the GCF: 9x4y − 6x3y2 3x2y3. 3x2y(3x2 − 2xy y2) 3xy(3x2 − 2xy y2) 3xy2(3x2 − 2xy y2) 3x2y(3x2 2xy y2).

Papessa [141]

The factored form of the equation 9x⁴y - 6x³y² + 3x²y³ is 3x²y(3x²-2xy+y²).

<h3>What is factored form?</h3>

The product of a constant and two linear expressions in factored form. The roots of the function are the parameters and the x-intercepts of the graph. Often Factoring is referred to as the process of converting a quadratic function to factored form.

We need to write the given expression $9x^4y-6x^3y^2 + 3x^2y^3$ in the factored form, therefore, we will take the common terms out of the given expression,

1. Taking 3 as the common term, we will get,

$9x^4y-6x^3y^2 + 3x^2y^3\\\\= 3 (3x^4y-2x^3y^2 + x^2y^3)$

2. Taking x² as the common term

$= 3 (3x^4y-2x^3y^2 + x^2y^3)\\\\= 3x^2(3x^2y-2xy^2+y^3)\\\\$

3. Taking y as the common term,

$= 3x^2(3x^2y-2xy^2+y^3)\\\\= 3x^2y(3x^2-2xy+y^2)\\\\$

Hence, the factored form of the equation 9x⁴y - 6x³y² + 3x²y³ is 3x²y(3x²-2xy+y²).

Learn more about Factored Form:

brainly.com/question/25094938

5 0

2 years ago

I forgot how to multiply by division and multiplication. It’s been such a long time since I’ve done it i’ve practically forgot h

levacccp [35]

Answer:

First, multiplication:

Multiplication is repeated addition, there's really no way to put it simpler. For example:

4 × 6 = 24 because 4 + 4 + 4 + 4 + 4 + 4 = 24

3 × 3 = 9 because 3 + 3 + 3 = 9

9 × 2 = 18 because 9 + 9 = 18

Multiplication, like addition, can also work backwards, so 6 × 4 is also 24, 2 × 9 is 18, and so on.

I recommend practicing your times tables up to 12 if your remembrance has gotten really bad.

Now division:

Division has the same properties as multiplication, except with subtraction. The difference, however, is that division does not work backwards. It's the same as subtraction.

Here are some examples for division:

6 ÷ 3 = 2 because 6 - 3 - 3 = 0 (3 can be subtracted twice, so the answer is 2)

12 ÷ 4 = 3 because 12 - 4 - 4 - 4 = 0

20 ÷ 2 = 10 because 20 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 = 0

I'd recommend practicing your long division if you are struggling.

Hope this helped you! If you have any more questions, send me a friend request and I'll check for more questions every so often. :)

5 0

3 years ago

What 3 to the 6th power

abruzzese [7]

Answer:

729

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

4)11,717,555<br><br> the one is underlined and i need to know the place value of it

Fiesta28 [93]

Answer: ten-thousandth's place

I probably spelled it wrong sorry lol. Spelling isn't my thing :)

Hope I helped!

4 0

4 years ago

Read 2 more answers