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Fittoniya [83]
3 years ago
15

In △JKL, KN=21 m.

Mathematics
2 answers:
Likurg_2 [28]3 years ago
8 0

Answer:

14

Step-by-step explanation:

yKpoI14uk [10]3 years ago
4 0

Answer:

45m

Step-by-step explanation:

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How many solutions does this equation have?
Leto [7]

Answer:

The given equation having only one solution i.e., "w = 3". A further explanation is provided below.

Step-by-step explanation:

The given equation is:

⇒ 9(w-9)-2=-7w+7(w-8)

By opening the brackets, we get

⇒ 9w-81-2=-7w+7w-56

⇒ 9w-83=-56

On adding "83" both sides, we get

⇒ 9w-83+83=-56+83

⇒                 9w=27

⇒                   w=\frac{27}{9}

⇒                       =3

4 0
2 years ago
AHHHH please help answer and I’ll give you points
german

Answer: Yes She is correct

Step-by-step explanation:

4 0
3 years ago
Which of these is a correct step in constructing an angle bisector​
Anastaziya [24]

Answer:

  Use a compass to draw two equal arcs ...

Step-by-step explanation:

The attached diagram shows the construction of an angle bisector. First you draw arc DE, then arcs from D and E with the same radius that cross at F.

So, the step on your list is, "use a compass to draw two equal arcs from the intersection points of a previous arc and the legs."

4 0
3 years ago
Sophia determined that the expression Negative (4 x minus 5) + 2 (x minus 3) is equivalent to –2x – 5 by using the steps below.
strojnjashka [21]

Answer:

She is not correct because she did not substitute the same number in both expressions in Step 1

Step-by-step explanation:

CASE 1: substitute 1 for x  to both sides of the equations

L.H.S

-(4x-5)+2(x-3)

-(4 (1) - 5)+ 2(1-3) = - (-1) + 2(-2) = 1 - 4 = -3

R.H.S

-2x - 5

-2(1) - 5 = -2-5 = -7

Hence for x= 1

-(4x-5)+2(x-3) ≠ -2x -5

Because -3 ≠ -7

CASE 2: substitute -1 for x  to both sides of the equations

L.H.S

-(4x-5)+2(x-3)

-(4 (-1) - 5)+ 2(-1-3) = - (-9) + 2(-4) = 9 - 8 = 1

R.H.S

-2x - 5

-2(-1) - 5 = 2-5 = -3

Hence for x= -1

-(4x-5)+2(x-3) ≠ -2x -5

Because 1 ≠ -3

Answer:

She is not correct because she did not substitute the same number in both expressions in Step 1

6 0
2 years ago
Read 2 more answers
Miguel has $25. He spends $7.00 on a movie ticket, $3.65 for snacks, and $2.00 for bus fare each way.
Mrac [35]

Answer:

$10.35

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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