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Nutka1998 [239]
3 years ago
6

Factor completely and show work

Mathematics
1 answer:
sukhopar [10]3 years ago
3 0
The answers to the questions

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Law of cosines: a2 = b2 + c2 – 2bccos(A) What is the value of n to the nearest whole number? 18 22 29 41
nalin [4]
We know that
applying the law of cosines
a² = b²+ c²<span> – 2*b*c*cos(A)
</span>
in this problem
a=?
b=20
c=9
A=90°
so
a² = b²+ c² – 2*b*c*cos(A)
but
cos (A)=0
a² = b²+ c²-----> 20²+9²----> a²=400+81----> a²=481-----> a=√481
a=21.93-----> a=22

the answer is
22

4 0
3 years ago
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Find the domains of the following functions:
larisa86 [58]
I think this is the answer to that,,, >y = 5x^2
3 0
3 years ago
Please could someone help me?
Sonja [21]

Answer:

∠ XZY ≈ 23.6°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin Z = \frac{opposite}{hypotenuse} = \frac{XY}{YZ} = \frac{6}{15}, thus

Z = sin^{-1}(\frac{6}{15}) ≈ 23.6° ( to 1 dec. place )

3 0
3 years ago
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Based on your observations from Question 1, what is the relationship between AE and BF when DFB and CEA measure something other
VMariaS [17]

Answer:

if angle dfb and angle cea measure something other than 90degrees, then line we is not equal to line bf. in this case, line and and line cd intersect at a single point.

8 0
3 years ago
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If the temperature outside is 30°C, what is the temperature in F°​
emmasim [6.3K]

Answer:

<u>86°F</u>

Step-by-step explanation:

4 0
3 years ago
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