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alexandr402 [8]

3 years ago

11

Are the angles with the given measures complementary, supplementary, or neither?

1 answer:

Vlada [557]3 years ago

4 0

The two angles are supplementary angles. Two angles are considered to be supplementary when the sum of the measurement of their angles is 180 degrees. The measurement of angle T is 76 degrees and the measurement of angle U is 104 degrees. If you try to add the measurement of the two angles, the answer would be 180 degrees. Therefore, the two angles are supplementary angles.

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Gen is making a quilt and needs to measure out 0.25. What fraction of a foot is that, and how many inches is that equivalent to?

Naddik [55]

.25=25/100=1/4
T<span>hat is one fourth of a foot.</span>
1/4 x 12=3
And three inches.

Hope this helps :)

4 0

3 years ago

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Galina-37 [17]

Answer:

2 hours, 15 minutes

B.

Step-by-step explanation:

3:30 to 5:30 is 2 hours elapsed time.

5:30 to 5:45 is 15 minutes elapsed time.

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for v= 4i - 5j, find unit vector u in the direction of v, and write your answer as a linear combination of the standard unit vec

umka21 [38]

Answer:

a. $u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}$

Step-by-step explanation:

The given vector is v= 4i - 5j

The magnitude of this vector is;

$|v|=\sqrt{(-4)^2+(-5)^2}$

$|v|=\sqrt{16+25}$

$|v|=\sqrt{41}$

The unit vector u in the direction of v is;

$u=\frac{v}{|v|}$

$u=\frac{4i - 5j}{\sqrt{41}}$

$u=\frac{4i }{\sqrt{41}}-\frac{5j}{\sqrt{41}}$

We rationalize to get

$u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}$

4 0

3 years ago

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What is the exact value of tan 30° ? enter your answer, as a simplified fraction, in the box?

attashe74 [19]

In this question , we have to find the value of tan 30 and we need to write the answer in simplified form .

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Substituting the values of sin (30) and cos(30, we will get

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Multiplying both numerator and denominator by 2, we will get

$tan(30 ) = \frac{1}{ \sqrt3}$

TO simplify it, we need to multiply both numerator and denominator by square root 3.

$tan(30) = \frac{ \sqrt 3}{ \sqrt3 * \sqrt 3} = \frac{ \sqrt 3}{3}$

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If 2x +y=8, x+2y=4, find the value of x-y.<br> Please, help me

kifflom [539]

y = 8 -2x

x + 2 (8 - 2x) = 1

x + 16 - 4x = 1

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If x = 5, then we can substitute in...

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y = -2

Now let us check that by substituting those values in to the equation

2x + y = 8

2 (5) + (-2) = 8

That is correct so we have the right values for x and y/

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3 years ago