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maks197457 [2]
3 years ago
10

Perform the indicated operation (-10) ÷ (-20)

Mathematics
1 answer:
sergey [27]3 years ago
5 0
Remember that dividing a negative number by a negative number will result in a positive quotient:

-10 \div -20 = 0.5

The answer is 0.5.
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A and B are complementary. If B = 26°, what is the measure of A?
Talja [164]

Answer:

64°

Step-by-step explanation:

      When angles are complementary, they can be added together to equal 90°.

90° - 26° = 64°

           The measure of angle A is 64°.

8 0
2 years ago
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}

5 0
3 years ago
4) A right triangle has a hypotenuse length of 10 and one of its legs has a
Rudiy27

Answer: 8

Step-by-step explanation:

8 0
3 years ago
The scale in the drawing is 2 inches : 3 feet. What are the length and width of the actual room? *
patriot [66]

drawing isn't shown, pls take a screenshot or photograph the exercise

5 0
3 years ago
Rachael can paint a room in 9 hours. Kelsey can paint same room in 15 hours. How long if they paint it together.
ElenaW [278]

Answer:

6 hours

Step-by-step explanation:

because if they work together it will be 9 hours slower than Kelsey's time alone.

not sure if correct

7 0
3 years ago
Read 2 more answers
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