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Mama L [17]
3 years ago
10

The population of the United States the about 3.2 × 10 ^ 8 the population of the United States is about 80 times the population

of Oregon white right the population of Oregon in scientific notation
Mathematics
1 answer:
Ainat [17]3 years ago
6 0

Answer:

4 x 10^{6}

Step-by-step explanation:

3.2 x 10^{8} = 320,000,000

320,000,000 ÷ 80 = 4,000,000

4,000,000 = 4 x 10^{6}

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A 20 foot ladder is lean against a building. The foot of the ladder is 6 feet from the building. Find the
Vilka [71]
Cos(theta) = adjacent/hypotenuse

cos(theta) = 6/20
cos(theta) = 0.3

Use the inverse cos or cos^-1 on your calculator to get the angle

theta = 72.5
6 0
2 years ago
1 of 3
Nonamiya [84]

Answer:

y = -1/2x + 3.5

Step-by-step explanation:

The gradients of perpendicular lines multiply to make -1. The gradient of the line given is 2, so 2 multiplied by something gives us -1. 2 × -1/2 = -1. The gradient of the perpendicular line is -1/2

y = -1/2x + c

Now we can substitute x = 1 and y = 3 into the equation:

  • 3 = -1/2(1) + c
  • 3 = -1/2 + c
  • c = 3 + 1/2
  • c = 3 1/2 or 3.5 or 7/2

The equation of the line is y = -1/2x + 3.5

Hope this helps!

3 0
3 years ago
Which of the following is the ratio of 5 cm to 10 km​
pshichka [43]

Answer:

1/200000

Step-by-step explanation:

first 10 km equals to 1000000cm

so 5/1000000cm

equals to 1/200000

3 0
2 years ago
Plz help due tomorrow
lina2011 [118]

Answer:

20.5+10x

Step-by-step explanation:

3 0
2 years ago
5/8+3/4 / -2/3 - 5/6 =​
m_a_m_a [10]

Answer:

-11/12

Step-by-step explanation:

Add 5/8+3/4 (6/8) which is 11/8 and then get -2/3 - 5/6 which simplifies to -3/2

Multiply -3/2 by 4 to get it to like terms

11/8 / -12/8

Multiply and then simplify.

If you need help, just comment!!

3 0
3 years ago
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