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Natali5045456 [20]
3 years ago
12

4

Mathematics
1 answer:
Alenkinab [10]3 years ago
5 0

Answer:

Domain/ 0

Rang/ -4

Step-by-step explanation:

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Find the cosine of ∠W.
allochka39001 [22]

Answer:  8/17

Explanation:

We'll need the pythagorean theorem to find the missing side length.

a^2 + b^2 = c^2\\\\15^2 + b^2 = 17^2\\\\225 + b^2 = 289\\\\b^2 = 289 - 225\\\\b^2 = 64\\\\b = \sqrt{64}\\\\b = 8

Now we can compute the cosine ratio.

cos(angle) = adjacent/hypotenuse

cos(W) = VW/UW

cos(W) = 8/17

4 0
2 years ago
Solve for a: 3a-2c+5ac=a​
nasty-shy [4]

Answer:

Step-by-step explanation:

3a-2c+5ac=a​

3a- a + 5ac= ​2c

   2a + 5ac = 2c

    a ( 2 + 5c) = 2c

                  a = 2c / (2+5c)

8 0
4 years ago
Store A: 12 oz bag of popcorn for $3.81.
svetoff [14.1K]

Store A answer:

$0.32

Store A explanation:

You divide the cost by the number of ounces, so 3.81 / 12, which equals 0.3175, which rounded to the hundredths place is $0.32

Store B answer:

$0.37

Store B explanation:

You divide the cost by the number of ounces, so 1.10 / 3, which equals 0.3666667, which rounded to the hundredths place is $0.37.

Overall answer:

A

Overall explanation:

The price per ounce at store A is less then the price per ounce at store B.

Hope this helps!!!

5 0
3 years ago
Which of the following describes the probability distribution below?
Serhud [2]

Answer:

B. Median is greater than the mean and the majority of data points are to the right of the mean.

Step-by-step explanation:

Mean = sum(x × p(x))

= (1×0.1)+(2×0.15)+(3×0.2)+(4×0.45)+(5×0.1)

= 3.3

Probability of more than 3.3 is:

0.45 + 0.1 = 0.55 > 0.5

4 0
3 years ago
How do you write an equation for a circle whose diameter has endpoints (5,0) and (-5,0)?
I am Lyosha [343]

Answer:

y^2+x^2=25

Step-by-step explanation:

The formula for the equation of a circle is (y-(y coordinate of circle))^2 + (x-(x coordinate of circle))^2=radius^2. Sorry if this is unclear, PM me if you need more explanation!

3 0
3 years ago
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