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stealth61 [152]
3 years ago
5

Find the length of side c in abc to the nearest tenth if b=15 degrees, c=65 degrees and a=19

Mathematics
1 answer:
fredd [130]3 years ago
8 0
17 because the route
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Find the vertex.<br> 4) y=-2x^2-8x-6
Alexxx [7]

Answer:

Vertex: (-2, 2)

Step-by-step explanation:

The x-coordinate of the vertex would be as follows;

x = -b/2a = 8/2(-2) = -8/4 = -2

respectively the y-coordinate of the vertex would be y(-2) = -2(-2)^2 - 8(-2) - 6 = -2(4) + 16 - 6 = - 8 + 10 = 2

Your vertex would be a maximum of (-2, 2)

* I say maximum as the coefficient of x^2 is -2, and it is less than zero so the parabola opens downward

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3 years ago
Frank started out in his car travelling 45 mph. When Frank was 1/3 miles away, Daniel started out from the same point at 50 mph
Anna007 [38]

Time taken by Daniel to catch up with Frank is 4 minutes.

Step-by-step explanation:

The question is on relative speed; speed of a moving object with respect to another.

The two cars are travelling in the same direction at different speeds thus;

Relative speed = speed of Daniel - speed of Frank = 50-45= 5 mph

The time which the two meet = distance/ relative speed

Distance = 1/3 miles, which equals 0.33 miles

Time taken by Daniel to catch up with Frank is = 0.33/5 =0.066 hours = 4 minutes.

Learn More

Relative speed: brainly.com/question/10681729

Keywords: car, travelling, miles,started at the same point,catch up with

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6 0
4 years ago
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Find the value of KL
alex41 [277]

Answer:

40.5

Step-by-step explanation:

!

8 0
3 years ago
An international company has 22,100 employees in one country. If this represents 19.3% of the company's employees, how many empl
Anarel [89]
Hey there!

22100 : 19.3
x : 100

19.3x = 2210000 \\ x = 114507.77
Nearest whole number = 114508

Answer : Total employees = 114,508

Hope this helps. - M
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3 years ago
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Use the grouping method to factor this polynomial completely. 2x 3 + 6x 2 + 5x + 15
Natalija [7]

Answer:

A

Step-by-step explanation:

Group the 4 terms into groups of 2 without changing their order.  That looks like this:

(2x^3+6x^2)+(5x+15)

Now within each group pull out what's common:

2x^2(x+3)+5(x+3)

Now we have (x + 3) common between the 2 terms, so let's pull that out.  With grouping, you know that it "works" if what's in the parenthesis are both exactly the same term.  Ours are both (x + 3).  What's "left over" are the things we originally pulled out, so group those together and you're done!

(x+3)(2x^2+5)

4 0
3 years ago
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