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Savatey [412]
2 years ago
5

Would be great if someone explained this

Mathematics
1 answer:
sasho [114]2 years ago
5 0

A. 2.

A radical is an expression which implies the use of a root.

There are three components of a radical expression:

(i) The root "√".

(ii) The radicand √"a".

(iii) The degree or index of the radical \sqrt["n"]{a}, when index of the radical is not shown then it understood to be a index of 2.

The index is the number used to indicate the degree of the root.

For the example \sqrt{10}, 10 is the radican and the index is not shown so it understood is 2.

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3x + 2 = 14 what number makes this true?<br> A. 1<br> B. 2<br> C. 4<br> D. 6
Ksenya-84 [330]

Answer:

4

Step-by-step explanation:

3*4+2=14

12+2=14

14=14

5 0
2 years ago
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Solve the following equation when a = 3 and b = 2.<br> 5a^2 − 10b + 9b =
rusak2 [61]
The answer for this problem is 43
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Which equations and/or functions represent the graphed line? Select three options.
Zarrin [17]

Answer:

f(x) = 0.5x + 2

f(x) = 1/2x + 2

y - 3 = 1/2(x - 2)

y - 1 = 0.5(x + 2)

Step-by-step explanation:

In the figure attached, the graphed line is shown.

The missing options are:

<em>f(x) = 0.2x - 4 </em>

<em>f(x) = 0.5x + 2  </em>

<em> f(x) = 1/2x + 2 </em>

<em> y – 3 = 1/2(x – 2) </em>

<em> y – 1 = 0.5(x + 2)</em>

From the picture, we can see that points (0, 2) and (2, 3) are on the line. Then, the slope of the line is:

m = (3 - 2)/(2 - 0) = 1/2 = 0.5

The y-intercept is (0, 2), or b = 2

Therefore, in the slope y-intercept form, the equation is:

f(x) = mx + b

f(x) = 1/2x + 2 = 0.5x + 2

In the point-slope form, the equations is:

y - y1 = m(x - x1)

y - 3 = 1/2(x - 2)

Using point (-2, 1), in the point-slope form, the equation is:

y - y1 = m(x - x1)

y - 1 = 0.5(x + 2)

3 0
2 years ago
Read 2 more answers
Helppppppp!!!!!!!!!!! :(
Taya2010 [7]
I can only do the second one:

a) 12/25

b) 3 1/5

c) 2 7/10

I just used a scientific calculator so sorry if I'm wrong!
8 0
2 years ago
$25.00 game ticket; 5.5% tax
SIZIF [17.4K]

Answer:

26.37

Step-by-step explanation:

To find the % of something simply turn 5.5% to a decimal (.055) then times it by the number you want .055 * 25 = 1.37 so add the tax too your total and youll get <u>26.37</u>

8 0
3 years ago
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