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julia-pushkina [17]
3 years ago
10

Which represents the area of ABC ?

Mathematics
2 answers:
disa [49]3 years ago
5 0

A = \frac{1}{2} bc(sin A)

ICE Princess25 [194]3 years ago
5 0

Answer:

A) 1/2(bc sinA)

Step-by-step explanation:

the area of ABC is : 1/2 (h ×AC)

but : AC = b

sinA = h/c    so : h = c sinA

the area of ABC is : 1/2 (c sinA×b ) = 1/2(bc sinA)


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3. A man needed money for college. He borrowed $6,000 at 14% simple interest per year. If he paid $420 interest, what was the du
9966 [12]

Answer: half year

Step-by-step explanation:

The formula to find the simple interest is given by :-

I=Prt, , where P is the principal amount , r is the rate of interest and t is the time in year.

Given : I=420 ; r=14%=0.14 and P =$6000

Then, we have the following equation :-

420=6000\times0.14 \times t\\\\\Rightarrow\ t=\dfrac{420}{6000\times0.14}=0.5

It means the duration of the loan is half year .

6 0
3 years ago
Someone pleeaseee help me (no links pls)
dezoksy [38]

Answer: The answer is H store y has the best sale price of 30 dollars

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6 0
2 years ago
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If A plus B equals 2X -2 and A -B equals 4X -8, find A and B
zvonat [6]
A+B = 2X -2
A-B = 4X -8

Add the equations, 
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A = 3X - 5

Now, 3X - 5 + B = 2X - 2
B = 2X-3X - 2 + 5
B = 3 - X

Hope this helps!
4 0
3 years ago
Solve the following system of equations:
serg [7]

Answer:

C. no solution

Step-by-step explanation:

first of all -3x - 3y = -6 that's what it equals

8 0
2 years ago
What is the answer to this 3(k−6)=15
Alchen [17]

Answer:

11

Step-by-step explanation:

First distribute the 3 to both the numbers inside of the parentheses:

3(k)-3(6)=15

3k-18=15

Add 18 to both sides

3k=33

Divide 3 from both sides to isolate k

k=11

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2 years ago
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