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zzz [600]
4 years ago
11

Triangle L M N is shown. Angle L M N is a right angle. Angles N L M and L M N are 45 degrees. The length of L N is x. Which stat

ements are true regarding triangle LMN? Check all that apply. NM = x NM = LM = x StartRoot 2 EndRoot tan(45°) = StartFraction StartRoot 2 EndRoot Over 2 EndFraction tan(45°) = 1
Mathematics
2 answers:
shusha [124]4 years ago
8 0

Answer:

first , second , fourth

Step-by-step explanation:

Solnce55 [7]4 years ago
7 0

Answer:

A.) NM= x

C.) LM = x√2

E.) tan (45°) = 1

Step-by-step explanation:

If the legs are both x, then the hypotenuse is equal to x\sqrt{2

Therefore, LM= x\sqrt{2 is correct and MN= x

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KiRa [710]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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Solve the system by the<br> substitution method.<br> Sol<br> of<br> x + 7y = -1<br> - 4x – 2y = -22
Vika [28.1K]

Answer:

(6, - 1 )

Step-by-step explanation:

Given the 2 equations

x + 7y = - 1 → (1)

- 4x - 2y = - 22 → (2)

Rearrange (1) expressing x in terms of y by subtracting 7y from both sides

x = - 1 - 7y → (3)

Substitute x = - 1 - 7y into (2)

- 4(- 1 - 7y) - 2y = - 22 ← distribute and simplify left side

4 + 28y - 2y = - 22

4 + 26y = - 22 ( subtract 4 from both sides )

26y = - 26 ( divide both sides by 26 )

y = - 1

Substitute y = - 1 into (3) for corresponding value of x

x = - 1 - 7(- 1) = - 1 + 7 = 6

Solution is (6, - 1 )

3 0
3 years ago
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7 (-2) - 15 =<br><br> Find the value of the expression.
spin [16.1K]

Answer:

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Step-by-step explanation:

8 0
3 years ago
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If the following data were linearized using logarithms, what would be the equation of the regression line? Round the slope and y
Elis [28]

Answer:

  • log y = 0.576x + 0.139

Step-by-step explanation:

<u>Given data:</u>

  • <u>x  |  2   |   3   |  4    |   5      |  6     </u>
  • y  | 21   |  69 | 261  | 1029  |  4101​

<u>Logarithms of y-values:</u>

  • log 21 = 1.322
  • log 69 = 1.839
  • log 261 = 2.417
  • log 1029 = 3.012
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<u>The ordered pairs:</u>

  • (2, 1.322), (3, 1.839), (4, 2.417), (5,3.012), (6, 3.613)

<u>Using an online calculator found the equation of the regression line:</u>

  • y = 0.576x + 0.139

<u>In our case it is:</u>

  • log y = 0.576x + 0.139

7 0
3 years ago
If 9 is added to twice a number and this sum is multiplied by 6​, the result is the same as if the number is multiplied by 5 and
Alexxx [7]
Let's represent that number as X:
6(9+2X) = 5X + 12
54 + 12X = 5X + 12
7X = -42
X = -6
8 0
3 years ago
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