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3 years ago

Line CD passes through points C(3,-5) and D(6,0). What is the equation of line CD in standard form?

Mathematics

1 answer:

Serga [27]3 years ago

3 0

Answer:

hope this helps

the explanation is in the picture

please like and Mark as brainliest

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1.4 pounds of almonds, 0.8 pound of cashews, and 2.6 pounds of peanuts. How much does Mila spend in all

Delicious77 [7]

Answer:

the total amount spent is $31.68

Step-by-step explanation:

The computation of total amount spent as follows:

= 1.4 pounds × $9.15 + 0.8 pounds × $10.75 + 2.6 pounds × $3.95

= $12.81 + $8.6 + $10.27

= $31.68

hence, the total amount spent is $31.68

We simply apply the pounds with its price

4 0

3 years ago

You tried to get every semi truck to honk but only 7 did what fraction if semi trucks you saw honked

Anton [14]

Answer:

I am so lost but if it's how many honk out of how many you saw I would assume 7/7

5 0

3 years ago

Write this phrase as a math expression. Jack's time in the 50 meter freestyle is 26 seconds.

-Dominant- [34]

This question doesn't say what type of math expression is desired. Given the input data, I've chosen to find Jack's average speed during the 50 meter freestyle:

50 m

------------ = 1.92 m/sec

26 sec

5 0

3 years ago

Integrate the following

enot [183]

I suppose you mean to have the entire numerator under the square root?

$\displaystyle\int_2^4\frac{\sqrt{x^2-4}}{x^2}\,\mathrm dx$

We can use a trigonometric substitution to start:

$x=2\sec t\implies\mathrm dx=2\sec t\tan t\,\mathrm dt$

Then for $x=2$ , $t=\sec^{-1}1=0$ ; for $x=4$ , $t=\sec^{-1}2=\frac\pi3$ . So the integral is equivalent to

$\displaystyle\int_0^{\pi/3}\frac{\sqrt{(2\sec t)^2-4}}{(2\sec t)^2}(2\sec t\tan t)\,\mathrm dt=\int_0^{\pi/3}\frac{\tan^2t}{\sec t}\,\mathrm dt$

We can write

$\dfrac{\tan^2t}{\sec t}=\dfrac{\frac{\sin^2t}{\cos^2t}}{\frac1{\cos t}}=\dfrac{\sin^2t}{\cos t}=\dfrac{1-\cos^2t}{\cos t}=\sec t-\cos t$

so the integral becomes

$\displaystyle\int_0^{\pi/3}(\sec t-\cos t)\,\mathrm dt=\boxed{\ln(2+\sqrt3)-\frac{\sqrt3}2}$

7 0

3 years ago

Help me with my math

shutvik [7]

Answer:

The first unanswered one is a greater than symbol. The second unanswered one is the group of two friends.

7 0

3 years ago