2 years ago

Find the missing angles. Round to the nearest hundredth.

Mathematics

1 answer:

deff fn [24]2 years ago

5 0

Answer: 1. Tan(a)=350/650

2.cos(a)= 8.5/10

3. Cos(x)= 2.7/4.9

Step-by-step explanation:

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7. It is best to save _____ months of fixed expenses for an emergency fund. (1 point)

patriot [66]

I think the best answer is 3 to 9 but thats not a answer so 3 to 6

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3 years ago

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One angle of a triangle measures 136º. The other two angles are congruent.

WINSTONCH [101]

Answer:

22°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , then

x + x + 136° = 180°

2x + 136° = 180° ( subtract 136° from both sides )

2x = 44° ( divide both sides by 2 )

x = 22°

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2 years ago

Find the lateral surface area of the cylinder. Round your answer to the nearest tenth.

Svet_ta [14]

Answer:

A=2πrh

Step-by-step explanation:

A=2*22/7*4*9

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3 years ago

Solve -7x^2+x+9=-6x quadratic formula

myrzilka [38]

Answer:

$-7x^2+x+9=-6x$

$-7x^2+x+9+6x=-6x+6x$

$-7x^2+7x+9=0$

$quadratic\: formula$

$x_{1,\:2}=\frac{-7\pm \sqrt{7^2-4\left(-7\right)\cdot \:9}}{2\left(-7\right)}$

$\sqrt{-7^{2} -4(-7)\times9} =\sqrt{301}$

$x_{1,\:2}=\frac{-7\pm \sqrt{301}}{2\left(-7\right)}$

$\frac{-7+\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7+\sqrt{301}}{-2\cdot \:7}$

$=\frac{-7+\sqrt{301}}{-14}$

$\frac{-7-\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7-\sqrt{301}}{-2\cdot \:7}$

$=\frac{-7-\sqrt{301}}{-14}$

$answer=\frac{7+\sqrt{301}}{14}$

$OAmalOHopeO$

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2 years ago

X) sec’A + cosec?A<br>secA. cosecA

VikaD [51]

Answer:

(Sin A + Cos A)/Sin A. Cos A

Step-by-step explanation:

As we know

Sec A = 1/Cos A

and Cosec A = 1/Sin A

Given Equation

Sec A + Cosec A

Substituting the given values, we get -

1/cos A + 1/Sin A

(Sin A + Cos A)/Sin A. Cos A

3 0

2 years ago