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4 years ago

PLEASE HELP ASAP BRAINIEST!!!!

Mathematics

1 answer:

BartSMP [9]4 years ago

7 0

Answer:

D. 0.60

Step-by-step explanation:

First add all of the numbers together, you should get 424

Then add all of group B together, you should have 254

After that divide

254/424 = 0.599...

round up and you have 0.60

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3 years ago

If a 1- foot string has a fundamental frequency of 100cps, how long would the string have to be so it would have a frequency of

Gala2k [10]

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3 years ago

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3 years ago

Im being timed<br>which number line represents the solution set for the inequality?

Ludmilka [50]

Answer:

The solution is:

$-\frac{1}{2}x\ge \:4\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\le \:-8\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:-8]\end{bmatrix}$

The number line graph of the solution is also attached below.

From the graph, it is clear that the 2nd number line represents the solution set for the inequality.

Step-by-step explanation:

Given the inequality

$-\frac{1}{2}x\ge 4$

Let us solve the inequality

$-\frac{1}{2}x\ge 4$

Multiply both sides by -1 (reverse the inequality)

$\left(-\frac{1}{2}x\right)\left(-1\right)\le \:4\left(-1\right)$

Simplify

$\frac{1}{2}x\le \:-4$

Multiply both sides by 2

$2\cdot \frac{1}{2}x\le \:2\left(-4\right)$

Simplify

$x\le \:-8$

Thus, the solution is:

$-\frac{1}{2}x\ge \:4\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x\le \:-8\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:-8]\end{bmatrix}$

The number line graph of the solution is also attached below.

From the graph, it is clear that the 2nd number line represents the solution set for the inequality.

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3 years ago

Which expression represents the polynomial −2x^2−4x^4+8x+x^5−2x^3 rewritten in descending order?

tigry1 [53]

The polynomial $-2x^2-4x^4+8x+x^5-2x^3$ arranged in descending order is $x^5-4x^4-2x^3-2x^2+8x$

Step-by-step explanation:

We need to rewrite the polynomial $-2x^2-4x^4+8x+x^5-2x^3$ in descending order.

For writing the polynomial in descending order we arrange the exponents of variables from largest exponent to the smallest exponent.

The given polynomial is:

$-2x^2-4x^4+8x+x^5-2x^3$

The descending order of the polynomial is:

$x^5-4x^4-2x^3-2x^2+8x$

So, the polynomial $-2x^2-4x^4+8x+x^5-2x^3$ arranged in descending order is $x^5-4x^4-2x^3-2x^2+8x$

Keywords: Polynomials

Learn more about polynomials at:

#learnwithBrainly

6 0

3 years ago