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3 years ago

Find measure angle 3

Mathematics

2 answers:

Marianna [84]3 years ago

7 0

Answer:

∠ 3 = 50°

Step-by-step explanation:

∠ 3 and 50° are corresponding angles and congruent, thus

∠ 3 = 50°

mojhsa [17]3 years ago

4 0

Answer:

Step-by-step explanation:

you add 40+ 50 and it out to 90

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Kathy travels in a taxi which charges $ 5.75 flat rate in addition to $ 2.50 per mile. Kathy has only $25 in her wallet. How man

matrenka [14]

Answer: 7.7 miles

Step-by-step explanation:

2.5x + 5.75 = 25 (<em>x = each mile traveled)</em>

2.5x = 25 - 5.75

2.5x = 19.25

x = 7.7 miles

6 0

2 years ago

What do the <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B12%7D%20" id="TexFormula1" title=" \frac{1}{12} " alt=" \f

Colt1911 [192]

Do as the apples goes up in 4s

3 7 11 the goes 3 +4 = 7, 7+4 = 11

and Sees goes up in 40's

30 70 110

and rate of change is

$\frac{change in y}{change in x}$

its 40/4 or 10/1 (that's the first one)

4 0

3 years ago

Solve using identities

jeka57 [31]

Answer:

Solution given

Cos $\displaystyle \theta_{1}=\frac{13}{15}$

consider Pythagorean theorem

$\bold{Sin²\theta+Cos²\theta=1}$

Subtracting $Cos²\theta$ both side

$\displaystyle Sin²\theta=1-Cos²\theta$

doing square root on both side we get

$Sin\theta=\sqrt{1-Cos²\theta}$

Similarly

$Sin\theta_{1}=\sqrt{1-Cos²\theta_{1}}$

Substituting value of $Cos\theta_{1}$

we get

$Sin\theta_{1}=\sqrt{1-(\frac{-13}{15})²}$

Solving numerical

$Sin\theta_{1}=\sqrt{1-(\frac{169}{225})}$

$Sin\theta_{1}=\sqrt{\frac{56}{225}}$

$Sin\theta_{1}=\frac{\sqrt{56}}{\sqrt{225}}$

$Sin\theta_{1}=\frac{\sqrt{2*2*14}}{\sqrt{15*15}}$

$Sin\theta_{1}=\frac{2\sqrt{14}}{15}$

Since

In III quadrant sin angle is negative

<h3> $\bold{Sin\theta_{1}=-\frac{2\sqrt{14}}{15}}$ </h3>

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horrorfan [7]

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