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zysi [14]
3 years ago
8

30,050,000 in scientific notation

Mathematics
1 answer:
kogti [31]3 years ago
4 0
3.005 x 10^7  or 10 to the seventh power. i cant type it on the computer.
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When the angle of elevation of the sun is 70 degrees​,a telephone pole that is tilted at an angle of 8 degreesdirectly away from
Evgesh-ka [11]

Answer:

The length of the pole to the nearest feet = 36 ft

Step-by-step explanation:

Let the length of the pole be L

The image of this question is attached to this solution.

From the image,

The two other angles in the triangle formed by the stick, its shadow and the line of angle of elevation can be found.

The first angle to the right of angle of elevation = 90° - 8° = 82°

And the third angle can be found, using the sum of angles in a triangle.

Sum of angles in a triangle = 180°

The third angle = 180° - (70° + 82°) = 28°

Using the sine rule, we can then obtain the length of the pole.

Sine rule

(a/sin A) = (b/sin B) = (c/sin C)

For our question

(L/sin 70°) = (18/sin 28°)

L = (18 × sin 70°)/(sin 28°)

L = 36.03 ft = 36 ft

3 0
3 years ago
{7, 8, 9, 10} {9, 10, 11, 12} Which of the following shows the intersection of the sets? A. {9, 10} B. {7, 8, 9, 10} C. {9, 10,
lara31 [8.8K]

Answer:

<h3> { 9 , 10 }</h3>

Option A is the correct option.

Step-by-step explanation:

Let the sets be A and B

A = { 7 , 8 , 9 , 10 }

B = { 9 , 10 , 11 , 12 }

<u>The intersection of sets A and B is </u><u>the</u><u> </u><u>set</u><u> </u><u>of</u><u> </u><u>all</u><u> </u><u>ements</u><u> </u><u>which</u><u> </u><u>belongs</u><u> </u><u>to</u><u> </u><u>both</u><u> </u><u>A</u><u> </u><u>and</u><u> </u><u>B</u><u>.</u>

The intersection of sets A and N is denoted by ( A ∩ B ) and read as A intersection B.

A ∩ B = { 7 , 8 , 9 , 10 } { 9 , 10 , 11 , 11 , 12 }

Now, list the elements which are present in both sets. A ∩ B = { 9 , 10 }

Hope I helped!

Best regards!

5 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!! Will give brainliest!
NISA [10]
Okay. The x-axis is the time and the y-axis is the amount filled. If you look at the line, you see that less than 1 box is filled per minute. Therefore, B is out. A is also out as well, because those amounts would mean the line would be steeper and hit a number higher than 1 at the one minute mark. But, you do see that 3 boxes are filled every 4 minutes, especially with 6 at the 8 minute mark and 9 at the 12 minute mark. When you divide 3 by 4, that's a unit rate of 0.75 boxes filled per minute. Therefore, the answers are C and D.
6 0
3 years ago
GIVING BRAINLIST........
Bezzdna [24]

Answer:

36

Step-by-step explanation:

for the equation, we have to add 1 cubed, 2 cubed and 3 cubed together to get the answer. That equation would look like this

1^3 + 2^3 + 3^3

or expanded out

(1x1x1)+(2x2x2)+(3x3x3)

Solving that down, the equation turns into this

1 + 8 + 27

Adding those values together leaves us with 36!

Hope this helped, have a good rest of your day!

4 0
3 years ago
Read 2 more answers
How much greater is a magnitude 4 earthquakes than a magnitude 3 earthquake?
MA_775_DIABLO [31]
Each step in magnitude is 10 times greater than the last.
6 0
3 years ago
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