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4 years ago

In ΔXYZ the measure of

1 answer:

fomenos4 years ago

7 0

Answer:In ΔXYZ, the measure of ∠Z=90°, YZ = 13 feet, and ZX = 31 feet. Find the measure of ∠Y to the nearest degree.

Step-by-step explanation:

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Solve nonhomogenous equation: x"+4x=cost

motikmotik

Answer:

$x(t) = Acos 2t + B sin 2t+\frac{cost}{3}$

Step-by-step explanation:

Given is a non homogeneous second degree equation as

$x"+4x=cost$

Auxialary equation is

$m^2+4 =0\\m = 2i, -2i$

Hence general solution is

x = Acos 2t + B sin 2t

Particular integral is = $\frac{cost}{D^2+4}$

Since t has coefficient 1, we substitute

$D^2 =-1\\PI = \frac{cost}{-1+4} =\frac{cost}{3}$

Hence full solution is

$x(t) = Acos 2t + B sin 2t+\frac{cost}{3}$

6 0

3 years ago

A restaurant sells taco salads for $4 each and churros

Darina [25.2K]

Answer:

4$ = 6pcs churros and 1.5$= 14 pcs taco salads

Step-by-step explanation:

7 0

3 years ago

Please help me....Use the Pythagorean identity

RideAnS [48]

Using the Pythagorean identity, the value of the cosine ratio is $\cos(\theta_1) = \frac{84}{85}$

<h3>How to determine the cosine ratio?</h3>

The given parameter is:

$\sin(\theta_1) = -\frac{13}{85}$

By the Pythagorean identity, we have:

$\sin^2(\theta_1) + \cos^2(\theta_1) = 1$

So, we have:

$(-\frac{13}{85})^2 + \cos^2(\theta_1) = 1$

This gives

$\cos^2(\theta_1) = 1 - (-\frac{13}{85})^2$

Evaluate

$\cos^2(\theta_1) = 1 - \frac{169}{7225}$

Take LCM

$\cos^2(\theta_1) = \frac{7225 -169}{7225}$

This gives

$\cos^2(\theta_1) = \frac{7056}{7225}$

Take the square root of both sides

$\cos(\theta_1) = \pm \frac{84}{85}$

Cosine is positive in the fourth quadrant.

So, we have:

$\cos(\theta_1) = \frac{84}{85}$

Hence, the cosine value is $\cos(\theta_1) = \frac{84}{85}$

Read more about Pythagorean identity at:

brainly.com/question/1969941

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4 0

3 years ago

???? Anyone know the answer ASAP

777dan777 [17]

Answer:

YES

Step-by-step explanation: I DID IT

7 0

3 years ago

Read 2 more answers

Anja represents the inequality startfraction 4 minus g over 8 endfraction less-than-or-equal-to negative 15 with the phrase "the

Thepotemich [5.8K]

Anja’s phrase should have ended with “less than –15”, not “at least –15”.

Given statement:

Anja represents the inequality (4-g)/8 <-15

With the phrase “the quotient of the difference of 4 and a number and 8 is at least –15.”

Let the number be g.

“the quotient of the difference of 4 and a number and 8" translated to (4-g/8)

"at least" means : <

“the quotient of the difference of 4 and a number and 8 is at least –15.” translated to (4-g)/8 <-15

Therefore, Anja’s phrase should have ended with “less than –15”, not “at least –15”.

Learn more about Inequality on:

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6 0

2 years ago