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postnew [5]
3 years ago
10

Know these measurements?​

Mathematics
1 answer:
Nookie1986 [14]3 years ago
8 0

Answer:

a=90

c=40

b=70

Step-by-step explanation:

a is right angle so 90

c is 160-90-30=40

b is 150-80=70

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Solve the equation 2m2 – 6m + 14 = 0.
11111nata11111 [884]

Answer: m= 7

Step-by-step explanation:

2m2-6m+14=0

4m-6m+14=0

-2m+14=0

-2m=-14

M=7

6 0
3 years ago
Read 2 more answers
Given that (-8,-5) is on the graph of f(x), find
Lemur [1.5K]

Answer:

(-6,-5)

Step-by-step explanation:

Let a function be f(x)

So, f(x-a) would be the same function BUT translated a units to the RIGHT.

So, that changes all x coordinates a units to the right (+a) and all the y-ccordinates remains same.

Our function goes through the transformation f(x-2), which means 2 units to the right, so we "ADD" 2 to all x-coordinates and y remains same.

Thus, the point (-8,-5) would become (-8+2,-5) = (-6,-5)

7 0
3 years ago
N an
Lostsunrise [7]
<h3>Answer:</h3>

C)\ a_n=2a_{n-1}-1

<h3>Explanation:</h3>

You can try the choices to see which one works. The differences between an values double each time. They have the sequence 1, 2, 4, 8. So, you know that choices A) and D) do not work. They show the difference to be constant at 1 or 8. Since the differences are multiplied by 2, C) is a reasonable choice. Trying that, we find it describes the sequence perfectly:

a2 = 2·2 -1 = 3

a3 = 2·3 -1 = 5

a4 = 2·5 -1 = 9

a5 = 2·9 -1 = 17

___

Trying choice B on the last term, we have

... a5 = 3·a4 -3 = 3·9 -3 = <em>24 ≠ 17</em>

7 0
3 years ago
A person is strolling along a moving walkway at a constant velocity of +1.00 m/s with respect to the walkway, which moves at a c
Bezzdna [24]
Refer to the diagram shown below.

The velocity of the person on the walkway relative to the ground is the velocity of the walkway (relative to the ground) plus the velocity of the person relative to the walkway.
It is
1.0 + 0.5 = 1.5 m/s

The person on the ground moves at - 0.2 m/s, which is in the opposite direction to that of the walkway and the person on the walkway.
Therefore the velocity of the person on the walkway relative to the person on the ground is
105 - (-0.2) = 1.7 m/s

Answer: 1.7 m/s

7 0
3 years ago
34 &lt; 5x + 9 &lt; 44<br> Inequality
Ksivusya [100]

Answer:

5 < x < 7

Step-by-step explanation:

- Move all terms not containing  x  from the center section of the inequality.

25  <  5 x  <  35

- Divide each term in the inequality by  5 .

5 < 1x < 7

5 < x < 7

i hope this helps :)

5 0
3 years ago
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