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FromTheMoon [43]
3 years ago
8

Find the x-intercept of the graph of the linear equation y = 2x + 4.

Mathematics
2 answers:
Dahasolnce [82]3 years ago
6 0

Answer:

-2

Step-by-step explanation:

Tamiku [17]3 years ago
4 0

Answer:

The x-intercept is -2

Step-by-step explanation:

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Find the function value. tan 240°
ivanzaharov [21]

Answer:

Step-by-step explanation:

240 has a reference angle of 60 in the third quadrant. The side across from 60 is going to be negative in this quadrant, measuring -√3; the side adjacent to the angle is also negative in this quadrant, measuring -1. The tangent ratio is the side opposite the angle over the side adjacent to the angle, so

tan(240) = √3

7 0
2 years ago
A​ hot-air balloon is 160 ftabove the ground when a motorcycle​ (traveling in a straight line on a horizontal​ road) passes dire
Charra [1.4K]

Answer:

73.77 ft/s

Step-by-step explanation:

Let's imagine this situation as a right triangle where the distance between the two points is the hypotenuse.

-Applying Pythagoras theorem:

z^2=x^2+y^2\\\\z=\sqrt{x^2+y^2}\\\\x=dx*t+x_i, x_i=0\\\\y=dy*t+y_i\\\\y_i=160\ ft

#Take the derivative of the first equation and solve for dz:

d(z^2=x^2+y^2)\\\\2z*dz=2x*dx+2y*dy\\\\dz=\frac{x*dx+y*dy}{z}\\\\dz=\frac{x*dx+y*dy}{\sqrt{x^2+y^2}}\\\\\\dz=\frac{dx^2*t+dy(dy*t+160)}{\sqrt{(dx*t)^2+(dy*t)}}

#We then substitute the values given in the question to solve for dz:

dz=\frac{7*66^2+14(14*7+160)}{\sqrt{(66*7)^2+7*14+160}}\\\\=73.78

Hence, the rate of change of the distance between the motorcycle and the balloon 7 seconds ​later is 73.77 ft/s

3 0
3 years ago
Show work on 6 divided by 4256
inessss [21]
6 divided by 4256 would result in the decimal 0.00140977443. You just need to do long division and remember to keep the decimal point in place so you don't make a careless mistake. Also you can "divide" by just simply leaving the division problem as a fraction like 6/4256. Hope this helps! Mark as brainliest!
6 0
3 years ago
Read 2 more answers
(cos6x+6cos4x+15cos2x+10)/cos5x+5cos3x+10cosx
kakasveta [241]
Please see figure for answers

5 0
3 years ago
Help me pleaaseee!!!!!
jarptica [38.1K]

Answer: 5^7

Step-by-step explanation: When multiplying exponents with the same base number you add the exponents together. For example 2^4 x 2^3 will multiply to a product of 2^7.

8 0
3 years ago
Read 2 more answers
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