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Ipatiy [6.2K]
3 years ago
7

In ΔABC, m∠A=a, m∠B=β, m∠C=y. AB = c, AC = b, BC = a. Find the remaining parts of each triangle if the following parts are given

.
a=5, b=7, y=31°
Mathematics
1 answer:
Daniel [21]3 years ago
3 0

Answer:

9.013 square units

Step-by-step explanation:

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13. What is the result of adding 5.4a + 7.1 and -1.28 - 6.3?
den301095 [7]

Answer:

C. 4.2a + 0.8

Step-by-step explanation:

Given:

The two binomials given for addition are:

5.4a+7.1 and -1.2a-6.3

Now, adding both the binomials, we get:

5.4a+7.1+(-1.2a-6.3)

Distributing the positive sign inside the second binomial, we get:

5.4a+7.1-1.2a-6.3

Now, combining like terms using the commutative property of addition, we get:

(5.4a-1.2a)+(7.1-6.3)

Simplifying the above expression, we get:

(5.4-1.2)a+0.8\\4.2a+0.8

Therefore, the resulting addition of the given binomials is 4.2a+0.8

Hence, option C is the correct answer.

8 0
3 years ago
American households increasingly rely on cell phones as their exclusive telephone service. It is reported that 50.4% of American
OLga [1]

The variance of the binomial distribution of the number of households with landline service is 2.

<h3>What is the binomial probability distribution?</h3>

It is the probability of <u>exactly x successes on n repeated trials, with p probability</u> of a success on each trial.

The variance of the distribution is given by:

V(X) = np(1 - p)

In this problem, the parameters are given as follows:

n = 8, p = 0.504.

Hence the variance is given by:

V(X) = 8 x 0.504 x 0.496 = 2.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

5 0
1 year ago
What is 7.8×10^5 hours in days?
iragen [17]

Answer:

32500 Days

Step-by-step explanation:

7.8 × 10^{5} = 780000

We know that there are 24 hours in a day.

⇒24 Hours = 1 Day

therefore 780000 hours = \frac{780000}{24} = 32500 Days

7 0
3 years ago
Use the rules of equations and inverse operations to solve the equation 3x^2=;8
PtichkaEL [24]

8-2 and then 3 divided by 6 which will give you 0.5 so x=0.5

4 0
3 years ago
Select the adjective(s) in the following sentence.
horsena [70]
Answer: Clean

Explanation:
Adjectives are words that describes nouns. Therefore, clean is an adjective.
5 0
3 years ago
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