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3 years ago

Simplify the radical expression.

Mathematics

1 answer:

levacccp [35]3 years ago

6 0

Answer:

9√3

Step-by-step explanation:

√(81*3)

√81*√3

9√3

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Meg made 6 cups of gumbo and divided the gumbo equally among 8 containers.

Greeley [361]

Answer:

0.75

Step-by-step explanation:

6/8 = 0.75

Or 8/6 = 1.3 repeating

6 0

3 years ago

I’m stuck someone please help

Thepotemich [5.8K]

12c-4=14c-10
+4 +4

12c=14c-6
-14 -14

-2c=-6
/-2 /-2

c=3

4 0

4 years ago

Construct a confidence interval of the population proportion at the given level of confidence. x = 125, n = 250, 90 % confidence

madam [21]

Answer: 90% confidence interval would be (0.448, 0.552).

Step-by-step explanation:

Since we have given that

x = 125

n = 250

So, $\hat{p}=\dfrac{x}{n}=\dfrac{125}{250}=0.5$

We need to find the 90% confidence interval.

so, z = 1.64

So, interval would be

$\hat{p}\pm z\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.5\pm 1.64\sqrt{\dfrac{0.5\times 0.5}{250}}\\\\=0.5\pm 0.0519\\\\=(0.5-0.0519,0.5+0.0519)\\\\=(0.448,0.552)$

Hence, 90% confidence interval would be (0.448, 0.552)

3 0

4 years ago

Describe the solutions of 6+y<10 in words.

steposvetlana [31]

The value of y is a number equal to 3

6 0

3 years ago

Apply the properties of integer exponents to identify all of the expressions equivalent to 1/8.

Alborosie

Answer:

The answers are A , C , D

Step-by-step explanation:

Lets revise the rule of exponent

* $a^{n}*a^{m}=a^{m+n}$

* $\frac{a^{m}}{a^{n}}=a^{m-n}$

* $\frac{1}{a^{-m}}=a^{m}$

* $(\frac{a}{b})^{-m}=(\frac{b}{b})^{m}$

Now lets solve the problem

We need all the expressions equivalent to $\frac{1}{8}$

∵ $2^{-3}=\frac{1}{2^{3}}$

∵ 2³ = 8

∴ $2^{-3}=\frac{1}{8}$

Answer A is equivalent to $\frac{1}{8}$

∵ 2³ = 8

Answer B is not equivalent to $\frac{1}{8}$

∵ 2³ = 8

∴ $\frac{1}{2^{3}}=\frac{1}{8}$

Answer C is equivalent to $\frac{1}{8}$

∵ $2^{2}*2^{-5}=2^{2+-5}=2^{-3}$

∵ $2^{-3}=\frac{1}{2^{3}}=\frac{1}{8}$

Answer D is equivalent to $\frac{1}{8}$

∵ $2^{-2}*2^{5}=2^{-2+5}=2^{3}$

∵ 2³ = 8

Answer E is not equivalent to $\frac{1}{8}$

<em>The answers are A , C , D</em>

4 0

4 years ago