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vfiekz [6]
4 years ago
12

Greatest to least: 17/20, 19/20, 0.19, 0.24

Mathematics
1 answer:
Yakvenalex [24]4 years ago
5 0
19/20,17/20,0.24,0.19
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What is the sum sqaure root-2 and sqaure root -18
svet-max [94.6K]

Answer:

<u>The correct answer is that 4√- 2 is the simplest radical form of this mathematical expression and 8i (i = imaginary unit) is the solution if we want to find out the square root of a negative signed number.</u>

Step-by-step explanation:

1. Let's write in a mathematical expression the information given:  

Sum square root of -2 and the square root of - 18

√- 2 + √ - 18

√- 2 + √ 9 . - 2 ( 9 * -2 = - 18)

√- 2 +  3 √ - 2  (√ 9 = 3)

4  √- 2

This is the simplest radical form of this mathematical expression.  If we want a concrete number, we should remember that if we refer to the imaginary numbers we can find the solution for √-2 = 2i, or for any other negative number, where i is the imaginary unit. This unit can be used for the development of the square root of negative signed numbers.

Then,

4  √- 2 = 4 (2i) = 8i

<u>The correct answer is that 4√- 2 is the simplest radical form of this mathematical expression and 8i (i = imaginary unit) is the solution if we want to find out the square root of a negative signed number.</u>

8 0
4 years ago
Need help finding measure of angle R.
Hunter-Best [27]

Answer:

B.) 113°

Step-by-step explanation:

In the isosceles trapezoid, angles T and S are congruent. Find the value of x:

4x+7=7x-38

Subtract 4x from both sides:

4x-4x+7=7x-38-4x\\7=3x-38

Add 38 to both sides:

7+38=3x-38+38\\45=3x

Divide both sides by 3:

\frac{45}{3}=\frac{3x}{3}\\\\  15=x\\\\x=15

x is equal to 15. Now substitute the value of x into the one of the expressions:

4(15)+7\\60+7\\67

or

7(15)-38\\105-38\\67

The angles T and S are 67°.

The angles of a trapezoid will always add up to a total of 360°, so add the angles T and S:

67+67=134

Subtract their total from 360:

360-134=226

The total of the angles Q and R is 226°. Since this is an isosceles trapezoid, those two angles are also congruent. Divide the value by 2:

\frac{226}{2}= 113

Angle R is 113°.

Done.

7 0
3 years ago
50 points!!! Which equation is represented on the graph?
gavmur [86]

Answer:

I think the answer is b ill look into it a Lil more

4 0
3 years ago
Which of the following statements best describes the relationship of a relation and a function? Select all that apply. A relatio
Whitepunk [10]
A relation is a function, if and only if, the x-value does not repeat.
6 0
4 years ago
Read 2 more answers
Help me please :(((((
natita [175]

Answer:

Step-by-step explanation:

\frac{-2}{3}n=12

-2n=12*3

n=36/-2

n=-18

4 0
3 years ago
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