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butalik [34]
3 years ago
13

Calculate the angles of an isosceles triangle thathas sides of length 9 cm, 9 cm and 14 cm.​

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

Step-by-step explanation:

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Solve the systems by elimination: <br><br> 8x-2y= -10<br> -4x+y= 5
Pachacha [2.7K]

Let's eliminate x.  To achieve this, mult. the 2nd equation by 2, obtaining

-8x + 2y = 10.  Now add this result to the first equation:

8x-2y= -10

-8x + 2y = 10

---------------------

        0

The two equations actually represent the same line.   Without an x- or a y-value, we cannot solve for the value of the other variable.  There are infinitely many solutions.

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4 0
3 years ago
The sum of 4 times a number and 3 is 9
nalin [4]

Answer:

x = 6/4 or 1 1/2

Step-by-step explanation:

4x+3=9

Subtract the 3 from both sides

4x+3=9

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4x = 6

Divide both sides by 4

x = 6/4 or 1 1/2

3 0
3 years ago
A + 2c − 5b − c + a − b
dalvyx [7]
2a + 2c - 5b - c - b

2a + c - 5b - b

2a - 6b + c
5 0
3 years ago
Read 2 more answers
If 15 mi = 8 km, about how many miles would be equal to 50 km?
Anon25 [30]
Use ratios to solve

15 m/8 km = x m/50 km Cross multiply
15(50) = 8x
750 = 8x divide by 8 on both sides
93.75 = x

93.75 miles = 50km
6 0
3 years ago
Help with this math question please
Pavel [41]
Principal Amount = P = $1600
Interest rate = r = 6.5% = 0.065
Time in years = t = 6

Formula for compound interest is:

A=P e^{rt}

Using the values, we get:

A=1600 e^{0.065*6}=2363.17

Rounding of to nearest hundredth, the balance in the account after 6 years will be $2363.17 
5 0
4 years ago
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