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Alla [95]
2 years ago
6

Triangle ABC has perimeter 22 cm.

Mathematics
1 answer:
Serggg [28]2 years ago
3 0

Answer:

Step-by-step explanation:

A = 8 cm

B = 5 cm

C = 22 - 8 - 5 = 9 cm

Use the Pythagreom Theroem (a^2 + b^2 = c^2) if the two sides are equal to one another than it is a right triangle.

8^2 + 5^2 = 9^2

64 + 25 = 81

89 = 81

89 does not equal 81, so this is not a right triangle.

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Find the solution of the system of equations.<br> −5x+5y=-10<br> 6x+5y=1
pickupchik [31]

Answer:

Step-by-step explanation:

Since you have

+

5

y

in one equation and

−

5

y

in the other equation, you can add both equations to cancel out the y terms and solve for x.

−

6

x

+

5

x

=

−

x

5

y

−

5

y

=

0

1

+

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=

11

therefore

−

x

=

11

multiplying both sides by -1:

x

=

−

11

plugging this back into the first equation:

−

6

(

−

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)

+

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y

=

1

66

+

5

y

=

1

subtracting 66 from both sides:

5

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−

65

divide both sides by 5:

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−

13

putting the x-values and y-values into one point gives:

(

−

11

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13

)

as the solution

4 0
3 years ago
Read 2 more answers
May someone help me complete the table?
Bumek [7]
1000 grams = 1 kilogram
2000 grams = 2 kilograms
4000 grams = 4 kilograms
7000 grams = 7 kilograms
8000 grams = 8 kilograms
7 0
2 years ago
Can somebody help me?
marshall27 [118]

Membership Fitness Charges:   $30.00  per Month

All Day Fitness Club Charges:    $22.00  per Month

Initiation Fee :     $80.00  


Equation:

30T         =        22T           +      80      ========>     T         =        10 Months

Lets solve your equation step-by-step.

30t        =        22t         +        80

Step 1: Subtract 22t from both sides.

30t      −         22t       =       22t        +       80       −       22t

8t          =          80

Step 2: Divide both sides by 8.

8t / 8                       =            80 / 8

Answer   ==========>            T             =              10 Months Will the total amount paid to the two fitness clubs will be the same.





Hope that helps!!!!!!!!!!!                                          : )



5 0
3 years ago
So are teacher ‍ gave us the answer but she wants us to to the work and I have tried so hard and I can’t find it
SVEN [57.7K]

In order to find the shaded region the first thing you have to do is find the area of the two small triangles, then find the area of the big triangle. Subtract the area of the small triangles from the big one and that is the area.

Step one: 11×12=132

Step two: 132÷2= 66

Step three: 66+66=132 (because there is two small triangles with same dimensions)

Step four: 40×15=300

Step five: 300-132=168

Answer 168m^2

8 0
3 years ago
How do you find the percent change?
antoniya [11.8K]
Hello!!
To calculate the percentage increase<span>: First: work out the </span>difference<span> (</span>increase<span>) between the two numbers you are comparing. Then: divide the </span>increase<span> by the original number and multiply the answer by 100. If your answer is a negative number then this is a </span>percentage<span> decrease.
</span>let me know if u have anymore questions!:)
7 0
3 years ago
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