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mezya [45]
3 years ago
15

What is always true about a line that slants downward from left to right? Select all that apply.

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
5 0
The answers are A,B, and ac
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The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is w
Masteriza [31]
Hi there

14000=-2000t+20000
Solve for t to find the age of the car
2000t=20000-14000
2000t=6000
T=6000/2000
T=3 years

Hope it helps
5 0
3 years ago
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Estimate the percent of the number.<br> ​11% of 504
solmaris [256]
55 is the estimated answer
5 0
2 years ago
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Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


6 0
3 years ago
Help please..................
serious [3.7K]

Answer:

43.7

Step-by-step explanation:

4 secs on was 78.4 meters, 5 was 122.5, 122.5-78.8=43.7

3 0
2 years ago
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A car can travel 120km ik 2 hours How long will it take the car to travel 300km
ehidna [41]
It would take the car 5 hours to travel 300km.

Equation used to solve: (120÷2)×6
3 0
3 years ago
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