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2 years ago

Help me please! just answer one question! thats enough for me!

Mathematics

1 answer:

Bond [772]2 years ago

4 0

Answer:

1. 5, 11, 18, 26, 35, 45

Step-by-step explanation:

5, 11, 18, 26,

The difference between 5 and 11 is 6.

The difference between 11 and 18 is 7.

The difference between 18 and 26 is 8.

As you can see their difference increases by 1, so the next difference would be 8 + 1 = 9.

26 + 9 = 35

And the next difference would be 9 + 1 = 10.

35 + 10 = 45

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ziro4ka [17]

2x^2 + 8x = 0
2x(× + 4) = 0

2x = 0
x = 0/2 =0

x + 4 = 0
x = -4

3 0

2 years ago

The standard deviation of the midterm scores at ucb for stats 2 is 50 points. the teacher takes a sample of 100 students' scores

Alborosie

The measure standard deviation quantifies the amount of variation or dispersion of a set of data values.The standard deviation is the square root of the variance.
The standard deviation in this case is 50/ sqrt(100)= 50/10=5.

6 0

2 years ago

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...?

Masteriza [31]

Answer:

80°

Step-by-step explanation:

Since a triangle has three angles that add up to 180°, you add the two given angles and subtract it from 180°.

70° + 30° = 100°

180° - 100° = 80°

7 0

2 years ago

Does anyone know the answer???

irakobra [83]

Answer:

Step-by-step explanation:

The formula of a surface area of a sphere:

$SA=4\pi R^2$

R - radius

We have R = 30m.

Substitute:

$SA=4\pi(30^2)=4\pi(900)=3600\pi\ m^2$

5 0

3 years ago

Please help i will mark as brainlest please help me

uysha [10]

Answer:

Step-by-step explanation:

Here is how I found it:

Flip the picture 180°.
Then, measure the angle.

Required:

The angle is 90°.
If you don't pay attention, you might mistake it for a 150° angle.

Correct choice is A.

5 0

2 years ago