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KIM [24]
3 years ago
10

Solve the following equation 4+2y=9+2y a.4 b.-4 c.infinitely many solutions d.no solutions

Mathematics
2 answers:
laila [671]3 years ago
7 0
The answer is d. no solutions because you're adding two different values to 2y, making the equation false.
Studentka2010 [4]3 years ago
5 0
No solutions. Try to solve it.
4+2y=9+2y
-2y on both sides
4=9
No solution. 
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7.
blsea [12.9K]

Answer:

C. Point P

Step-by-step explanation:

sqrt(92) = 9.59

The point closest to 9.59 is point P.

7 0
3 years ago
50 didved by what will get 5,000
DENIUS [597]

Answer:

0.01

Step-by-step explanation:

Your equation is 50 / x = 5,000

You are able to switch this around to 50 / 5,000 = x

Because you know that a x b = c is the same as b x a = c

When you divide 50 by 5,000, you get 0.01

So, 50 divided by 0.01 will get 5,000

4 0
3 years ago
Read 2 more answers
When looking at the results of a 99% confidence interval, we can predict what the results of the two-sided significance test wil
Dahasolnce [82]

Answer:

alpha=0.01

Step-by-step explanation:

confidence level = 1 - alpha

so alpha = 1 - confidence level = 1 - 0.99 = 0.01

In statistics, alpha represents the value that checks the test statistic in order to determine if it is significant or not. In other words, alpha is the acceptable margin of type 1 error. Alpha is also called the significance level, which opposes the confidence level. Significance level + confidence level = 1.

8 0
3 years ago
Mark the vertex and graph the axis of symmetry of the function.<br><br>f(x) = (x – 2)2 – 25
Y_Kistochka [10]

Answer:

Vertex (2 , -25)

Axis of symmetry: x = 2

Step-by-step explanation:

<h3>Vertex of parabola:</h3>

 The vertex is the highest point if the parabola open downwards and the lowest point if the parabola opens upward.

 f(x) = (x - 2)² - 25

The given quadratic function  is in vertex form.

 f(x)  = a(x - h)² + k

Here,  (h , k) is the vertex of the parabola.

 h = 2  ; k = -25

\sf \boxed{\bf Vertex (2 , -25)}

<h3>Axis of symmetry:</h3>

 The axis of symmetry is the vertical line that divides the parabola into two equal halves and it passes through the vertex of the parabola.

Axis of symmetry: x = h

  \sf \boxed{\bf  x = 2}

4 0
2 years ago
Please explain :)<br><br> Expand 5x(x+2)<br><br> Thanks :)
Volgvan

Answer:

{5 x }^{2} +10x

Step-by-step explanation:

5x(x+2)

5x \times x+5x \times 2

5(x \times x)+5x  \times 2

5 {x}^{2} +5x \times 2

5 {x}^{2}  + 10x

<h3>Hope it is helpful....</h3>
4 0
3 years ago
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