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Tresset [83]
3 years ago
13

Determine if the number 5.1x10^-8 is written in scientific notation

Mathematics
1 answer:
Alecsey [184]3 years ago
6 0

yes ,it is in scientific  notation.

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6. All angles in the figure below are right angles. What is the area of the figure? (4 point)
jok3333 [9.3K]

Answer:

Area the figure = 45 - 9 = 36 units² ⇒ last answer

Step-by-step explanation:

<em>"I have added screenshot of the complete question as well as the diagram"</em>

All the angles of the figure are right angles

<u>From the attached figure:</u> <em>we can find the area of the figure by subtracting the area of the cutting part from the area of the rectangle of dimensions 9 units and 5 units</em>

∵ All the angles of the figure are right angles

∴ We can consider that the figure of dimensions 9 units and 5 units

  as a rectangle

∵ Area of any rectangle A = L × H , where L, H are the dimensions

  of the rectangle

∵ L = 9 units and H = 5 units

∴ Area of the rectangle = 9 × 5 = 45 units²

- The dimensions of the cutting part are 3 units and

  [9 - (2 + 4) = 9 - 6 = 3 units]

∴ The cutting part is a square

∵ Area any square = S², where S is the length of the side of the square

∵ S = 3 units

∴ The area of the cutting part = 3² = 9 units²

∵ Area of the figure = area rectangle - area square

∵ Area the rectangle = 45 units²

∴ Area the square = 9 unit²

∴ Area the figure = 45 - 9 = 36 units²

5 0
3 years ago
Exam pls help 34 points
FrozenT [24]

Answer:

it would be 4/20 I thinkk

Step-by-step explanation:

4 0
3 years ago
How to i put <img src="https://tex.z-dn.net/?f=y%5E%7B2%7D%20%2B20x%2B8y%2B156%3D0" id="TexFormula1" title="y^{2} +20x+8y+156=0"
Svetllana [295]

Answer:

y=−4+2√5(−x−7)

y=−4−2√5(−x−7)

4 0
2 years ago
1. Carter bought 3 oxen, 4 cows and 6 calves for $260. He paid twice as much for a cow as for a calf
valentinak56 [21]

Answer:

120 for oxen, 80 for cows, 60 for calves

o = 2x

Step-by-step explanation:

3o + 4x + 6c = 260

x = 2c

o = 2x

6x + 4x + 3x = 260

13x = 260

260 / 13 = 20

3o = 6x = 120

4x = 80

6c = 3x = 60

o = 2x

4 0
2 years ago
Simplify y^2-6y-7/2y^2-17y+21
Elza [17]
The answer is y^2-23y+-7y^2/2+21
6 0
3 years ago
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