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lyudmila [28]
3 years ago
5

Tell whether the triangle with the given side lengths is a right triangle 20, 21, 30 yes or no​

Mathematics
1 answer:
VikaD [51]3 years ago
7 0

Answer:

no

Step-by-step explanation:

they must have to be addd to 180

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What is the graph of the linear inequality y≤−3x+4?
tatiyna

Answer:

It would look like the picture I attached at the bottom.

Step-by-step explanation:

We know that the slope is -3 and the y intercept is (0,4) (plugging in 0 for x will get you that point), and then you can just graph an equation like you normally would, using rise/run to go down 3 units for every one unit you go right, and plugging in easy x values to check your work.

It gets a little tricky because the question then adds the inequality, and we see that y is now less than <em>or equal to </em>the original equation.

Since it is less than, we can shade all the values below the graph.

(Also, you should probably note for future reference that if it was just less than, the shading would look the same while the graph itself would be dotted because the values on the line are nor included in the solution set).

Desmos is a great website to use if you're having trouble graphing in the future :)

5 0
3 years ago
1. How many students play basketball?
musickatia [10]

Answer:

  1. Five
  2. Kay and Gina
  3. Gina and Kay
  4. None
  5. twelve
7 0
3 years ago
Read 2 more answers
A side of the triangle below has been extended to form an exterior angle of 114º. Find
gavmur [86]

Answer:

24

Step-by-step explanation:

x+90=114( sum of two interior angle of triangle is equal to its opposite exterior angle)

x=24

6 0
3 years ago
Read 2 more answers
A
Feliz [49]

None of the given options are matching. For the expression after putting the value 2 on the place of x. We will get 10 for expression 1 and 0 for the expression 2.

<h3>How can we find the solution to an equation?</h3>

We do same operations on both the sides so that equality of both expressions doesn't get disturbed.

Solving equations generally means finding the values of the variables used in it for which the considered equation is true.

The given equation is;

Equation 1;

\rm 3x+4

Equation 2;

x+6-3x-2

After putting the value 2 on the place of x we get;

Equation 1;

\rm  = 3x+4

=3 \times 2+4 \\ =10

Equation 2;

= x+6-3x-2\\\\\ =2+6-3\times 2-2 \\\\ =2+6-6-2\\\\ =8-6-2 \\\\  = 0

Hence, the none of the given options are matching.

To learn more about the equation, refer to the link;

brainly.com/question/10413253

#SPJ1

5 0
3 years ago
The following equation f(x) = x³ + 0.5x² + 4.5 has only 1 real root. It lies between the interval [-1,0].
melisa1 [442]
We are asked in this problem to find the real root of the polynomial f(x) = x3 + 0.5x2 + 4.5. in this case, to find the root of the equation, we equate the equation to zero. 
<span>f(x) = x³ + 0.5x² + 4.5 = 0 
        2x3 + x^2 + 9 = 0
</span><span>x1=−1.83557
</span>x2=0.66779+1.41619∗i
x3=0.66779−1.41619∗i

answer is -1.84
6 0
4 years ago
Read 2 more answers
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