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Nookie1986 [14]
2 years ago
12

NEED HELP FAST!

Mathematics
1 answer:
saveliy_v [14]2 years ago
8 0
That is a 45 45 90 triangle.The hypotenuse of such a triangle equals one of the legs multiplied by the square root of 2.300 * sq root (2)=300 * <span> <span> <span> 1.4142135624 </span> </span> </span> Distance "D" = 300 * <span> <span> 1.4142135624 </span> </span>Distance "D" = <span> <span> <span> 424.3 meters
</span></span></span>(rounded to the nearest 10th of a meter.
<span> </span>
Source:http://www.1728.org/trig2.htm

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An equation that passes through (0, -2/3) and (-3, -2/3)
9966 [12]

Answer:

y = 0x - 2/3

Step-by-step explanation:

We are asked to find the equation of the line

Step1: find the slope

( 0 , -2/3) ( 3 , -2/3)

m = (y_2 - y_1 )/ (x_2 - x_1)

x_1 = 0

y_1 = -2/3

x_2 = 3

y_2 = -2/3

Insert the values into the equation

m =( -2/3 - (-2/3) / (3 - 0)

= -2/3 + 2/3 / 3

= 0 / 3

m = 0

Step 2: sub m into the equation

y = mx + c

y = 0x + c

Step 3: sub any of the two points given into the eqn

y = 0x + c

Let's pick ( 3 , -2/3)

x = 3

y = -2/3

-2/3 = 0(3) + c

-2/3 = 0 + c

c = -2/3

Step4: sub c into the equation

y = mx + c

y = 0x + c

y = 0x - 2/3

Therefore, the equation of the line is

y = 0x - 2/3

8 0
3 years ago
Rational numbers are<br> natural numbers.<br> always<br> sometimes<br> never
kupik [55]

Answer:

sometimes

Step-by-step explanation:

rational numbers can sometimes be natural since all natural numbers also rational but not all rational numbers natural

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3 years ago
Jack and Diane participated in a weight loss program jack lost 6 pounds per Month for seven months Diane lost 4 pounds per month
Korolek [52]

Answer:

Step-by-step explanation:

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5 0
2 years ago
Mount Belinda is the highest point in the South Sandwich Islands, with a peak of 1,370 meters above sea level. The South Sandwic
AveGali [126]

Question is not complete. Complete question is;

Mount Belinda is the highest point in the South Sandwich Islands, with a peak at about 1,370 meters above sea level. The South Sandwich Trench, which lies about 100 kilometers (62 miles) to the east of the South Sandwich Islands, is about 8,428 meters below sea level (at its lowest point).

Part A: What is the difference in elevations between Mount Belinda and the South Sandwich Trench?

Part B: Is the elevation halfway between the peak of Mount Belinda and the South Sandwich Trench above sea level or below sea level? Give your explanation without calculating the exact value.

Part C: What elevation is halfway between the peak Mount Belinda and the South Sandwich Trench?  

Answer:

A) 100478.86 metres

B) Explained below.

C) 50239.43 metres

Step-by-step explanation:

I have attached an image showing the elevations as depicted in the question.

MB represents peak of Mount Belinda while SS represents lowest point of South Sandwich Islands.

A) Now, total vertical distance from peak of MB to lowest point of SS is;

8428 + 1370 = 9798 metres

Since the horizontal distance between MB and SS is 100000 metres, then we can use pythagoras theorem to find the Elevation between MB and SS.

If the Elevation is x.

Thus;

x = √(9798² + 100000²)

x = 100478.86 metres

B) The Elevation between peak of MB and lowest point of SS will be halfway below the sea level because the distance from the lowest point of SS from the sea level is 5 times bigger than the distance from peak of MB to the sea level.

C) The halfway Elevation between peak MB and lowest SS will be;

100478.86/2 = 50239.43 metres

3 0
3 years ago
How much money would Madison make if her "proofreading" money was 20% less than what she was making (remember she used to get $1
frez [133]

Step-by-step explanation:

Part (a):

Since new payment amount is 20% less than the original, we can write

New Earning = N_1 = $18 - (20%) ($18)

N_1  = (80%)($18)

N_1  = 0.8 * 18

N_1  = $14.4

Part (b):

New number of errors are one-third (\frac{1}{3}) of the initial 15 errors,

Therefore, new number of errors = E = 15\;*\;\frac{1}{3}

E = \frac{15}{3}

E = 5

It is given that, earnings per error = n = 15 cents = $0.15

Thus, we can calculate the total earnings for new number of errors as follows,

New Total Earning = N_2 = n * E

N_2 = 0.15 * 5

N_2 = $0.75

4 0
3 years ago
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