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3 years ago

All you need is in the photo

Mathematics

1 answer:

Ivahew [28]3 years ago

7 0

Answer:

Step-by-step explanation:

-4 and 3

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Which statement describes the order of rotational symmetry for an isosceles triangle?

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Which of the following methods would be the easiest to use to solve 12x2 – 48 = 0?

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Clara simplifies (8b-4r)-(2b-r) and says the result is 6b-5r. What error did Clara make?

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3 years ago

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In ΔLMN, \overline{LN}

Karolina [17]

Answer:

$\bold{\angle NLM = 10^\circ}$

Step-by-step explanation:

Given a ΔLMN.

Line LN is extended to point O.

such that:

$\text{m}\angle MNO = (5x-13)^{\circ}$

$\text{m}\angle NLM = (x-4)^{\circ}$ and

$\text{m}\angle LMN = (2x+19)^{\circ}$

To find:

$\text{m}\angle NLM=?$

Solution:

Kindly refer to the attached image for the given triangle and dimensions of angles.

Let us recall the external angle property of a triangle:

The external angle of a triangle is equal to the sum of two opposite internal angles.

i.e.

$\angle MNO = \angle NLM + \angle LMN\\\Rightarrow 5x-13 = x-4+2x+19\\\Rightarrow 5x-13 = 3x+15\\\Rightarrow 5x-3x = 13+15\\\Rightarrow 2x=28\\\Rightarrow x =14$

Putting the value of $x$ in $\angle NLM$ .

$\angle NLM=14-4 \\\Rightarrow \bold{\angle NLM = 10^\circ}$

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3 years ago

Henry can write 5 1/4 of his novel in 3 hours. how many pages can he write in eight hours

PilotLPTM [1.2K]

Henry would be able to write 14 pages of a novel in 8 hours.
5 1/4(or 5.25)/3=1 3/4 (or 1.75)
1 3/4 x 8 =14
Hope This Helps!
~Cupcake

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