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xenn [34]
3 years ago
8

What is the radius of a circle whose equation is (x + 5)^2 + (y – 3)^2 = 42?

Mathematics
2 answers:
aliya0001 [1]3 years ago
8 0

Answer:

4 units

Step-by-step explanation:

natita [175]3 years ago
7 0
The equation of a circle centered at point (x1,y1) with a radius r is given by

(x-x_1)^2 + (y-y_1)^2 = r^2

are you sure you wrote down the problem correctly?
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ANSWER QUICK AND EXPLAIN HOW TO SOLVE
blsea [12.9K]
\cfrac{a}{sinA}= \cfrac{b}{sinB} \ \ \to \\ sinB= \cfrac{b*sinA}{a} = \cfrac{14*sin35^o}{12}= 0.6692 \ \ \to \ m \angle B=42^o \\ \\ \\ m \angle C=180- m \angle A- m \angle B=180-35-42=103^o \\ \\ \\ \cfrac{a}{sinA}= \cfrac{c}{sinC} \ \ \to \ c= \cfrac{a*sinC}{sinA}= \cfrac{12*sin103^o}{sin35^o} \approx 20.4
6 0
3 years ago
I really need help!!!! i need answer to c:
Aleks [24]

Answer:

76.3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is -1 2/5 times 1 1/7
ahrayia [7]

Answer: -8/5

Step-by-step explanation:

I know this because -1 2/5 is -7/5 and 1 1/7 is 8/7. Multiply the numerator and denominator together and you get the answer

3 0
3 years ago
Read 2 more answers
Find the area of the shape shown below.
hichkok12 [17]

Answer:

26.75 units ^2

Step-by-step explanation:

Since the shape is complex, divide it into 3 right angled triangles and one square. Find the area of these individual shapes first, then fin the sum of these area to calculate the ultimate area of e complex shape:

Triangle 1 = 1/2 x 2 x 5 = 5 units ^2

Triangle 2 = 1/2 x 2 x 2 = 2 units ^2

Triangle 3 = 1/2 x 3.5 x 9 = 15.75 units ^2

Square = 2 x 2 = 4 units squared.

Now add all these up 15.75 + 2 + 5 + 4 = 26.75 units squared.

Hope this helps

6 0
3 years ago
if it takes 10 men 10 days to dig a hole how long will it take 5 men to dig a hole that's half as big
Nataly [62]

Answer:

10 days

Step-by-step explanation:

It will take 10 men 5 days to dig a hole half as big.

It will take 5 men 10 days to dig a hole half as big.

( Remember, the less people, the more time it will take. )

8 0
2 years ago
Read 2 more answers
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