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finlep [7]
3 years ago
9

Mark for brainliest!!!!!! ​

Mathematics
2 answers:
REY [17]3 years ago
5 0

Answer:

  • C. 94°

Step-by-step explanation:

The three angles form a straight line: LMN, NMP and OMP

<h3>Given</h3>
  • m∠LMN = 43
  • ∠NMP ≅ ∠LMN
  • m∠NMP = ?
<h3>Solution</h3>

<u>Angle addition postulate:</u>

  • m∠LMO = m∠LMN + m∠NMP + m∠OMP
  • 180° = 43° + m∠NMP + 43°
  • m∠NMP = 180° - 86°
  • m∠NMP = 94°

Correct option is C

denis-greek [22]3 years ago
4 0

Answer:

the answer is c

Step-by-step explanation:

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Vera_Pavlovna [14]

Answer:

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Larry and Curly can build a bookcase together in $2$ hours. Curly and Moe can build a bookcase together in $1 \frac{2}{3}$ hours
aleksandrvk [35]

Answer:

1 ¹/₉ hours

Step-by-step explanation:

Let's say L is Larry's speed, C is Curly's speed, and M is Moe's speed.

1 = 2 (L + C)

1 = 1 ⅔ (C + M)

1 = 1 (L + C + M)

Solve the system of equations.  First, simplify the equations:

1 = 2L + 2C

3 = 5C + 5M

1 = L + C + M

Double the third equation and subtract the first equation from it:

2 = 2L + 2C + 2M

1 = 2L + 2C

1 = 2M

M = 1/2

Plugging into the second and third equations, we get:

C = 1/10

L = 2/5

Therefore, the time it takes Larry and Moe together is:

1 = t (L + M)

t = 1 / (L + M)

t = 1 / (2/5 + 1/2)

t = 1 / (4/10 + 5/10)

t = 1 / (9/10)

t = 10/9

t = 1 ¹/₉ hours

It takes them 1 ¹/₉ hours, or 1 hour 6 minutes 40 seconds.

4 0
3 years ago
the denominator of a fraction is 3 less than the numerator. If 5 is added to the numerator and denominator, the result is 5/6. F
Vitek1552 [10]
X=numerator
y=denominator
the sum of numerator and denominator=x+y
we suggest this system of equations:

y=x-3
(x+5) / (y+5)=5/6

we solve this system of equation by substitution method.
(x+5) / (x-3+5)=5/6
(x+5) / (x+2)=5/6
6(x+5)=5(x+2)
6x+30=5x+10
6x-5x=10-30
x=-20

y=x-3=-20-3=-23

Teh sum of the numerator an denominator=-20+(-23)=-43

Answer:    -43



7 0
3 years ago
Taylor walks 7 miles in 2 hours. At what unit rate does Taylor walk?
marishachu [46]

Answer:

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Step-by-step explanation:

The unit rate in this case ,means ,

the number of miles  for every 1 hour

Since Taylor walks 7 miles in 2 hours

Then

He walks 7/2 miles in 1 hour

Thus

The unit rate that Taylor walks at is :

7/2 miles per 1 hour

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2 years ago
Choose all of the points where the graph of the line 3x + 2y = 6 and the graph of the parabola y = x2 - 4x + 3 intersect.
Alborosie

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Step-by-step explanation:

i’m not sure

8 0
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