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skelet666 [1.2K]
2 years ago
9

Whats the answer to question b???? please help

Mathematics
1 answer:
irinina [24]2 years ago
7 0

Answer:

Step-by-step explanation:

Yes they would.

2x+3x+x+90=360

6x=270

x=45

Angle A=2x

Angle A=2(45)=90 degrees

So both AD and BC are vertical lines which are parallel to each other.

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The perimeter of a rectangle is 19 centimeters. Its length is 6 centimeters. What is its width?
Sedaia [141]

Answer:

3.5 cm

Step-by-step explanation:

Perimeter of rectangle = 2 × (w + h)

w = width

h = height

We have: 2 x (w + 6) = 19

w + 6 = 19 : 2 = 9.5

w = 9.5 - 6 = 3.5 (cm)

7 0
3 years ago
What number does the square root of 82 fall between
Yanka [14]
Listing out a few elements of the set of perfect squares, we get the following values

{1, 4, 9, 16, 25, 36, 49, 64, 81, 100, ...}

we can stop there because 82 is between 81 and 100

So if x^2 = 82, then x^2 is between 81 and 100 meaning

81 < x^2 < 100

apply the square root to all sides of the compound inequality and we get

9 < x < 10

So the square root of 81 is between 9 and 10

Answer: the value falls between 9 and 10
3 0
3 years ago
How many 5-digit numbers less than 60000 can be formed by writing the digits 0,3,5,6 and 7 in different orders?
sleet_krkn [62]

48

Here are all the possible 5 digit answers:

30567 30657 30765 30657 30576 30675

35067 36057 37065 36057 35076 36075

35607 36507 37605 36507 35706 36705

35670 36570 37650 36570 35760 36750

 

50367 50376 50637 50736 50763 50673

53067 53076 56037 57036 57063 56073

53607 53706 56307 57306 57603 56703

53670 53760 56370 57360 57630 56730

5 0
3 years ago
Which equation represents this number sentence? Two more than one-third of a number is 8. a. (2+1/3)n=8 b. 2+1/3n+8=0 c. 2=1/3n
Rina8888 [55]

Answer:

d

Step-by-step explanation:

let the number be n then one third of the number is

\frac{1}{3} n and 2 more than this is

2 + \frac{1}{3} n = 8 ( is 8 means = 8 ) → d


5 0
3 years ago
Is x = -3 a solution to 5x + 7 = 4
SVEN [57.7K]
So, 5 x (-3) + 7 = -15 + 7 = - 8 , but not 4;
Then, -3 is not a solution to 5x + 7 = 4;
6 0
3 years ago
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