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Law Incorporation [45]
3 years ago
11

The light from a lamp casts a shadow of a man standing 10 feet away from the lamppost. The shadow is 7 feet long. The angle of e

levation fro shadow to the lamp is 50° To the nearest foot, the lamppost is _______feet tall.
Mathematics
1 answer:
emmasim [6.3K]3 years ago
7 0

The lamppost is 20 feet long.

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How much greater is the mass of Can A than Can B? cola cola B Con A: 20 grams Can B: 480 grams 360 grams 340 grams 240 grams 260
yarga [219]

Answer:

I would say 340 grams........

Step-by-step explanation:

340 grams

3 0
2 years ago
When determining if you have a perfect square trinomial, what must the first and third term be?
cricket20 [7]

The expansion of a perfect square is

(a+b)^2 = a^2+2ab+b^2

In words, the square of a sum of two terms is the sum of the squares of the two terms (a^2 and b^2), plus twice the product of the two terms (2ab)

So, when determining if you have a perfect square trinomial, you should have two perfect squares. Note that they don't have to be the first and third term, since you can rearrange terms as you prefer.

8 0
3 years ago
PLEASE ANSWER AND EXPLAIN | 98 POINTS
9966 [12]

<em>Answer:</em>

<em>d</em>

<em />

<em>0.9</em>

<em />

<em>The value of a correlation coefficient ranges between -1 and 1.</em>

<em />

<em>The greater the absolute value of the Pearson product-moment correlation coefficient, the stronger the linearrelationship.</em>

<em />

<em>The strongest linear relationship is indicated by a correlation coefficient of -1 or 1.</em>

<em />

<em>The weakest linear relationship is indicated by a correlation coefficient equal to 0.</em>

<em />

<em>A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.</em>

<em />

<em>A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.</em>

<em />

<em />

<em>hope it helps.</em>

<em />

3 0
3 years ago
Read 2 more answers
The measure of one of the angles formed by two parallel lines and a transversal is 45°. Is it possible for the measure of any of
liubo4ka [24]

Answer: No


Step-by-step explanation:

Three of the other angles are 45°. The other four are 180° - 45°, which is not 55°. At the intersection of two lines, opposite angles are equal and adjacent angles are complementary, so two adjacent angles add to 180°. Adding a parallel line gives four more angles identical to the first four.

4 0
3 years ago
A study shows that employees who begin their workday at 9:00 a.m. vary their times of arrival uniformly from 8:40 a.m. to 9:30 a
jeka94

Answer:

0.2 or 20%

Step-by-step explanation:

If the times of arrival vary uniformly, there is an equal chance of an employee reporting at any given time between 8:40 and 9:30.

The range between 8:40 and 9:30 is 50 minutes.

The range between 9:00 and 9:10 is 10 minutes.

Therefore, the  probability that a randomly chosen employee reports to work between 9:00 and 9:10 is:

P(9:00\leq X\leq 9:10)=\frac{10}{50}=0.20=20\%

The probability is 0.2 or 20%.

6 0
3 years ago
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