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SpyIntel [72]
3 years ago
12

Complete the following equation: a2 = b2 + c2 - ______.

Mathematics
1 answer:
Dima020 [189]3 years ago
8 0

Answer:

2 bc cos A

Step-by-step explanation:

Cosine rule

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I need help please help me
harkovskaia [24]
We substitute in c using 9, it will be as follows:
5 ×[(-6×9)+4] = 5 × (-54+4) = 5 × (-50) = -250
3 0
3 years ago
What is the value of the expression?
Blababa [14]

Answer:

- \frac{9}{10}

Step-by-step explanation:

Step 1: Add the numerator fractions.

2/5 + 3/10

Here we have to find LCD, the LCD of 5 and 10 is 10

                                         (2*2) + 3         4 + 3

Therefore,  2/5 + 3/10 = ---------------  = ------------------

                                          10                     10

= 7/10

Step 2: Now substitute 2/5 + 3/10 = 7/10 in the given fraction, we get


 7/10

=  ----------

     -7/9

If we have fraction over fraction, we have to find the reciprocal of denominator fraction and multiply.

The reciprocal of -7/9 is -9/7

Step 3: Now multiply 13/10 and -9/7

= (7/10) x (-9/7)

= -9/10

=-9/10

The answer is  -\frac{9}{10}

8 0
3 years ago
Read 2 more answers
Name the ray in TWO different ways.<br> M N P
Paha777 [63]
MP
PM
Assuming your n is on a side
4 0
2 years ago
How do I determine a<br> percent
serious [3.7K]
Oh wait i got it give me a sec   <span>To </span>calculate percentage<span> decrease: First: work out the difference (decrease) between the two numbers you are comparing. Then: divide the decrease by the original number and multiply the answer by 100. If your answer is a negative number then this is a </span>percentage<span> increase.</span>
3 0
3 years ago
Using pythagorean therom whats the answer ??<br> a2 + b2 = c2
swat32
By using Pythagorean Theorem,
C^2= (10)^2+ (9)^2
C^2=100 + 81
C^2=181
C= 13.4cm

Hope it helps!
5 0
3 years ago
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