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KIM [24]
3 years ago
9

Please explain your answers and I'll mark the Brainliest!

Mathematics
2 answers:
Readme [11.4K]3 years ago
8 0

Answer:

The answer is B.

Step-by-step explanation:

As the sum of interior angles in a triangle is 180deg.

<C = 180-110-45 = 25deg.

Using sine rule, a/sinA = b/sinB = c/sinC

a=7*sin45deg/sin25deg = 11.71

b=7*sin110deg/sin25deg = 15.56

The answer is B.

guajiro [1.7K]3 years ago
4 0

B) a = 11.71 and b = 15.56 is the correct answer.

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PLEASE HELP WITH EXPLANATION
Alja [10]

Answer:

There are 2 solutions to this equation

x=-\frac{1}{4} +i\frac{\sqrt{19} }{4} ,x=-\frac{1}{4} -\frac{\sqrt{19} }{4}

Step-by-step explanation:

for  a quadratic equation of the form ax^2 + bx + c = 0 the solutions are

x_{1,2}=\frac{-b±\sqrt{b^{2}-4ac } }{2a}

x=\frac{-2+\sqrt{2^{2}-4.4.5 } }{2.4} :-\frac{1}{4}+ i\frac{\sqrt{19} }{4} \\x=\frac{-2-\sqrt{2^{2}-4.4.5 } }{2.4} :-\frac{1}{4} -i\frac{\sqrt{19} }{4}

brainiest plz

8 0
3 years ago
Algebra, polynomial questions. Please answer all three questions in complete detail.
34kurt
Answering B I believe A degree in a polynomial function is the greatest exponent of that equation, which determines the most number of solutions that a function could have and the most number of times a function will cross the x-axis when graphed. I’d answer more but I’m currently busy so I’m attempting to help the best I can
4 0
2 years ago
Three partners, Luc, Deborah and Melanie, share the profits of a bussiness in the ratio 2:3:7 respectively. The profit for this
valentina_108 [34]
Add all parts shared 2+3+7=12

Therefore 1 part is 176,496÷12= $14,708.

This means:
Luc has 2 parts: $14,708×2=$29,416
Deborah has 3 parts: $14,708×3=$44,124
Melanie has 7 parts: $14,708×7=$102,956

To check add all values together. If it makes the total amount, then the share is correct. 29,416+44,124+102,956=$176,496
8 0
3 years ago
Read 2 more answers
Need help with multiplying polynomials and substitution and elimation
grandymaker [24]
[email protected]@@@#8$
7 0
4 years ago
What is 1/2+(-3 1/2)=
Anestetic [448]

Answer:

-3

Step-by-step explanation:

The equation could be written with decimals to make it easier:

0.5 + (-3.5) = ?

I am going to make an example

You owe your friend $3.50

That can be represented as this:

$-3.50

You pay your friend $0.50

Now you only owe your friend $3.00

Hope this helped :)

4 0
3 years ago
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