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1 year ago

How many rays intersect at point O 1. 5 2. 4 3. 6 4. 3

Mathematics

1 answer:

Vilka [71]1 year ago

5 0

Answer:

3 is correct ans

ray on point o

is 3

option 4 3 is correct

line intersecting on same point on o

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Triangle XYZ is pictured below.

Butoxors [25]

Answer:

Step-by-step explanation:

sine uses opposite over hypotenuse

the opposite of x is 20 and the hypotenuse is 29

so the answer is 20/29

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2 years ago

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Write down the ratio of baking soda to baking powder if baking soda is 5ml and baking powder is 15ml

fomenos

Answer:

1:3

Step-by-step explanation:

That ratio would be 5 :15 or 1:3

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1 year ago

Solve the given initial-value problem. the de is of the form dy dx = f(ax + by + c), which is given in (5) of section 2.5. dy dx

shutvik [7]

$\dfrac{\mathrm dy}{\mathrm dx}=\cos(x+y)$

Let $v=x+y$ , so that $\dfrac{\mathrm dv}{\mathrm dx}-1=\dfrac{\mathrm dy}{\mathrm dx}$ :

$\dfrac{\mathrm dv}{\mathrm dx}=\cos v+1$

Now the ODE is separable, and we have

$\dfrac{\mathrm dv}{1+\cos v}=\mathrm dx$

Integrating both sides gives

$\displaystyle\int\frac{\mathrm dv}{1+\cos v}=\int\mathrm dx$

For the integral on the left, rewrite the integrand as

$\dfrac1{1+\cos v}\cdot\dfrac{1-\cos v}{1-\cos v}=\dfrac{1-\cos v}{1-\cos^2v}=\csc^2v-\csc v\cot v$

Then

$\displaystyle\int\frac{\mathrm dv}{1+\cos v}=-\cot v+\csc v+C$

and so

$\csc v-\cot v=x+C$

$\csc(x+y)-\cot(x+y)=x+C$

Given that $y(0)=\dfrac\pi2$ , we find

$\csc\left(0+\dfrac\pi2\right)-\cot\left(0+\dfrac\pi2\right)=0+C\implies C=1$

so that the particular solution to this IVP is

$\csc(x+y)-\cot(x+y)=x+1$

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2 years ago

A candle maker has 4 1/2 pound of clear wax. He wants to cut the wax into pieces that are 2/3 pound each.

Vedmedyk [2.9K]

4 1/2 / 2/3 = 6 3/4

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2 years ago

State the solution to the equations f(x) and g(x).

Digiron [165]

Answer:

x = -1

Step-by-step explanation:

f(x) = g(x) when x = -1

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2 years ago

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