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3 years ago

10

I forgot how to do this can someone help me

1 answer:

Julli [10]3 years ago

5 0

Planet A, because 7 x 10 > 5 x 10, the 28 is also bigger than 26. The numbers means 10 x 10 x 10 x 10... and so on to 28 or 26 (whatever the number is)

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Simplify 3 ∙ 2x. What is the coefficient?

matrenka [14]

<span>3 ∙ 2x = 6x
so </span><span>coefficient = 6
</span>
hope it helps

5 0

3 years ago

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The price of one share of Starbucks declined five dollars per day for four days in a row. How much did the price of one share ch

myrzilka [38]

Answer:

Each share lost $20 in value over 4 days time

Step-by-step explanation:

$5 loss for 4 days

5 x 4 = 20

$20 loss in 4 days.

5 0

3 years ago

What is the value of x and the length of segment DE?

disa [49]

Answer:

$x = 6.6$ and $DE = 16.2$

Step-by-step explanation:

The question is incomplete as the attachment to solve segment DE is missing. However, see attached for complete question.

Given

$\frac{5}{9}= \frac{9}{(2x+3)}$

Required

Find x

Length of DE

To find x, we need to first simplify the given equation

$\frac{5}{9}= \frac{9}{(2x+3)}$

Multiply both sides by $9(2x+3)$

$\frac{5}{9} * 9(2x + 3) = \frac{9}{(2x+3)} * 9(2x + 3)$

$5(2x + 3) = 9(9)$

$10x + 15 = 81$

Subtract 15 from both sides

$10x + 15 - 15 = 81 - 15$

$10x = 66$

Divide both sides by 10

$\frac{10x}{10} = \frac{66}{10}$

$x = \frac{66}{10}$

$x = 6.6$

From the attached;

$DE = 2x + 3$

Substitute 6.6 for x

$DE = 2(6.6) + 3$

$DE = 13.2 + 3$

$DE = 16.2$

Hence $x = 6.6$ and $DE = 16.2$

3 0

3 years ago

In a television series there is exactly one crime committed in every episode. It has been observed that the probability that the

Rama09 [41]

Answer:

$P(x \le 3) = 0.2352$

Step-by-step explanation:

Given

$p = 0.35$ --- male committing a crime in an episode

$n = 5$ -- Number of episodes

Required

Determine the probability of male committing a crime at least 3 times

This question illustrates binomial distribution and will be solved using;

$P(x) = ^nC_x * p^x * (1 - p)^{n-x$

So, the required probability is represented as:

$P(x \ge 3)$

And will be calculated using:

$P(x \ge 3) = P(x = 3) + P(x = 4) + P(x = 5)$

$P(x = 3) = ^5C_3 * (0.35)^3 * (1 - 0.35)^{5-3}$

$P(x = 3) = ^5C_3 * (0.35)^3 * (1 - 0.35)^2$

$P(x = 3) = 10 * (0.35)^3 * (0.65)^2$

$P(x = 3) = 0.1811$

$P(x = 4) = ^5C_4 * (0.35)^4 * (1 - 0.35)^{5-4}$

$P(x = 4) = 5 * (0.35)^4 * (1 - 0.35)^1$

$P(x = 4) = 5 * (0.35)^4 * (0.65)$

$P(x = 4) = 0.0488$

$P(x = 5) = ^5C_5 * (0.35)^5 * (1 - 0.35)^{5-5}$

$P(x = 5) = 1 * (0.35)^5 * (1 - 0.35)^0$

$P(x = 5) = 1 * (0.35)^5 * (0.65)^0$

$P(x = 5) = 1 * (0.35)^5 * 1$

$P(x = 5) = 0.0053$

So:

$P(x \ge 3) = P(x = 3) + P(x = 4) + P(x = 5)$

$P(x \le 3) = 0.1811 + 0.0488 + 0.0053$

$P(x \le 3) = 0.2352$

4 0

3 years ago

What figures have rotation symmetry? PLEASE HELP I NEED A GOOD GRADE

Ivanshal [37]

The figures on the top left and the bottom right have rotational symmetry.

5 0

3 years ago

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