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aniked [119]
3 years ago
6

Part 1: Given triangle ABC and AC = BC, find a and the side lengths of the triangle. C 6a - 8 4a-2 MathBits.com A B Side BC = Si

de AC = Part 2: Based off your knowledge of side lengths and triangles, what can you for sure classify the above triangle as Triangle ABC:​

Mathematics
1 answer:
hoa [83]3 years ago
7 0

Answer: a = 2; AC = BC = 10

Step-by-step explanation:

AC = BC => 6a - 8 = 4a - 2

<=> 2a = 6

<=> a = 3

=> AC = 6.3 - 8 = 10

AC = BC => BC = 10

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Simplify. 13 – 81 – (12 : 3 + 1)2
kumpel [21]

Answer:-78

Step-by-step explanation:

6 0
3 years ago
In how many ways can a set of two nonnegative integers less than 100 be chosen?
hichkok12 [17]

Answer: 4950

Step-by-step explanation:

The number of possible combinations of n things taken r at a time is given by :-

C(n,r)=\dfrac{n!}{r!(n-r)!}

Total nonnegative integers less than 100 ={0,1,2,... ,99} = 100

So, the number of combinations of choosing 2 out of them = C(100,2)=\dfrac{100!}{2!98!}=\dfrac{100\times99\times98!}{2\times98!}\\\\=\dfrac{100\times99}{2}\\\\=50\times 99\\\\=4950

So, the number of ways to choose a set of two nonnegative integers less than 100 = 4950

5 0
3 years ago
The price of a video game at Game Word has increased from $36 to $45 each. What was the percent change?
andriy [413]

Step-by-step explanation:

price difference= $45-$36

=$9

now,

x% of $45=$9

or, x/100 ×45 =9

or, x/20 ×9=9

or, x/20=1

therefore, x= 20%

3 0
3 years ago
Find area of blue shaded region
RUDIKE [14]

Answer:

\approx \: 7.33 \:  {cm}^{2}

Step-by-step explanation:

Area of the blue shaded region

=  \frac{ \theta}{360 \degree}  \times \pi r_1^2  - \frac{ \theta}{360 \degree}  \times \pi r_2^2  \\  \\  =   \frac{ \pi\theta}{360 \degree} ( r_1^2 - r_2^2) \\  \\ ( r_1 = 4 \: cm, \:  \:  r_2 = 3\: cm, \:  \:  \theta = 120 \degree) \\  \\ =   \frac{ 3.14 \times 120 \degree}{360 \degree} ( 4^2 - 3^2) \\  \\  =   \frac{ 3.14 }{3}  \times 7 \\  \\  =  \frac{21.98}{3}  \\  \\  = 7.32666667 \\  \\  \approx \: 7.33 \:  {cm}^{2}

8 0
3 years ago
A line has a slope of 3 and contains the point (-1, -8). Which equation represents the line?
jasenka [17]
Your answer is C, <span>y+8=3(x+1)</span>
8 0
3 years ago
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