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Papessa [141]
2 years ago
5

Mark on the lines whether the statement is correct about the graphs.

Mathematics
1 answer:
quester [9]2 years ago
3 0

Answer:

1.= Correct

2.= False(Raul has a negative slope and Becky has a positive, it is not both positive so FALSE)

3.= Corect(They both cross on the x and y axis.)

Step-by-step explanation:

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Given the length of three sides of a triangle, which is a right triangle?
RSB [31]

The aides of a right triangle will always satisfy the Pythagorean relationship ...

                   a² + b²=  c²

We can take each of these and try it out:

(1) ... 10² + 24² = 100 + 576  = 676
         √676 = <em>26  Yes</em>.

(2) ... 12² + 18²  =  144 + 324  =  468
           √468  =  21.6, not 20.  <em>No.</em>

(3) ... 15² + 26²  =  225 + 676  =  901
         √901  =  30.017  Awfully close.  As an engineer, I'll buy this one. <em>Yes.</em>

(4) ...  40² + 50²  =  1,600 + 2,500  =  4,100
          √4,100  =  64.03, not 80.<em>  No.</em>


8 0
2 years ago
Read 2 more answers
Solve the system using elimination.<br> 2x + 3y = -2<br> 3х – 6у = 18
Mashutka [201]

Answer:

x = 2 and y = -2

Step-by-step explanation:

We must first eliminate the y-variable:

2x + 3y = -2

3x - 6y = 18

4x + 6y = -4

3x - 6y = 18

_________

7x = 14

x = 2

Since we know x=2, we plug that back into one of the original equations to find y:

2x + 3y = -2

2(2) + 3y = -2

4 + 3y = -2

3y = -6

y = -2

Therefore, x = 2 and y = -2

7 0
2 years ago
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Helppp!!!! please!!!
marin [14]

Answer:

b 5.4 square cm

Step-by-step explanation:

Area of figure

=  \frac{1}{2}  \times base \times height \\  \\  =  \frac{1}{2} \times 5.4 \times 2 \\  \\  = 5.4 \:  {cm}^{2}

8 0
3 years ago
What is the name of the shape graphed by the function r= 3+ 3 cos theta?
disa [49]

Answer:

cardioid

Step-by-step explanation:

6 0
3 years ago
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Find the solution set for this equation t^2 - 11t = 0
Masja [62]

Answer:

0 and 11

Step-by-step explanation:

t^2-11t=0 \\\\t(t-11) \\\\t=0, 11

Hope this helps!

6 0
3 years ago
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