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eimsori [14]
3 years ago
10

I AM DESPERATE FOR HELP!

Mathematics
1 answer:
marshall27 [118]3 years ago
5 0
X+y=0
-2x+y=2
-2x+y=-4
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Quiz
valina [46]

Answer:

Step-by-step explanation:

As we know that in an hour there are 3600 seconds so

1.8 x 3600 = 6480

 6480 / 1609 = 4.02 miles / hr

  4.02 - 2.5 = 1.5( by substracting the speed)

so correct option is D which is

 Talia swims about 1.5 miles per hour faster than Alina

hope it helps

4 0
4 years ago
If m∠2=39 and m∠3=30, what is m∠1?
satela [25.4K]

Answer:

The answer would be A.) 111

Step-by-step explanation:

The angles of any triangle must add up to 180. So you subtract ∠1 and ∠2 from 180 and you will get the 3rd angle.

7 0
3 years ago
Apply the communitive property to 13x7x21 to rearrange the terms and still get the same solution
Snezhnost [94]
The commutative porperty states that numbers can be swapped over , they can change their place in the equation and the result will still be the same.
In our case 13 x 7 x 21, the commutative property means that the numbers can be rearranged
13x7x21=13x21x7=7x21x13=7x13x21
5 0
3 years ago
Which statement is true about the end behavior of the graphed function?
Sloan [31]

D. As the x-values go to negative infinity, the function's values go to positive infinity.

Step-by-step explanation:

In the diagram you notice as the values of x increase to the far negative value, the function's output values increase to positive infinity.

For example at ;

x=-2, f(x)=0

x=-3, f(x)= 16

x= -4, f(x)= >64

This shows that as x values approach -∞, f(x) approach +∞

Learn More

Behavior of a function:brainly.com/question/12052868

Keywords :statement, true,end behavior, graph, function

#LearnwithBrainly

7 0
3 years ago
What is the value of x in the equation 3x -1/9<br> y = 18, when y = 27?<br> 5<br> 7<br> 45 63
almond37 [142]

Answer:

x=7

Step-by-step explanation:

we have

3x-\frac{1}{9}y=18

Substitute the value of y=27 in the equation and find the value of x

so

3x-\frac{1}{9}(27)=18

3x-3=18

3x=18+3

3x=21

x=7

4 0
3 years ago
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