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garri49 [273]
4 years ago
6

How many significant figures does this number contain? 9,400

Mathematics
1 answer:
ohaa [14]4 years ago
5 0
Its has two significant figures

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12. Use the diagram to determine the value of x
Misha Larkins [42]

Answer:

127 degrees = x

Step-by-step explanation:

A six sided polygon has interior angles that sum to

(n-2)(180) =  (6-2)(180 = 720

so all of the angles in the question add to 720

 98 + 133 + x + x + 155 + 80 = 720

  solve for x = 127 degrees

8 0
2 years ago
Read 2 more answers
Help with all please!
babunello [35]
I'll do 14 and 18, and you can apply those techniques for the other problems!

For 14, we get 30*(1/10^8). This means that you move the decimal place in 00.0000030.0 seven places to the left, resulting in 0.00000300

For 18, we can use the associative property of multiplication to get 
5*3.5*10^3*10^(-1)=17.5*10^2. We get 10^2 by adding 3 and -1 up. Since it's positive 2, we simply move the decimal 2 places to the right to get 1750
6 0
3 years ago
Find the area of the shape.
stepan [7]

<u>Given</u>:

Given that the radius of the circle is 4 units.

The given figure is \frac{3}{4}th of the circle.

We need to determine the area of the \frac{3}{4}th of the circle.

<u>Area of the circle:</u>

The area of the circle can be determined using the formula,

A=\pi r^2

Substituting r = 4, we have;

A=\pi (4)^2

A=16 \pi

Thus, the area of the circle is 16π units².

<u>Area of the </u>\frac{3}{4}<u>th of the circle:</u>

The area of the \frac{3}{4}th of the circle is given by

A=\frac{3}{4}(16 \pi)

A=12 \pi

Therefore, the area of the shape is 12π units².

8 0
3 years ago
Vertical angles are ____?
Lostsunrise [7]

Answer:

congruent.. because they are opposite another..

6 0
3 years ago
Read 2 more answers
Write the equation of the line passing through the point (−2, 1) that is parallel to y=−4x+3.
Roman55 [17]

Answer:

y = -4x - 7

Step-by-step explanation:

y = mx + b

parallel lines have the same slope m, which in this case is -4

y = -4x + b

now plug in the desired included point to find the y intercept

1 = -4(-2) + b

1 = 8 + b

b = -7

5 0
3 years ago
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