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4 years ago

Could anyone solve how to get x? thank you^

Mathematics

2 answers:

Lorico [155]4 years ago

8 0

Answer:

40 deg

Step-by-step explanation:

This is just m anglex=.5(58+22)=.5(80)=40

fiasKO [112]4 years ago

6 0

Answer:

x = 40

Step-by-step explanation:

When 2 chords intersect inside a circle then the measure of the angle formed is half the sum of the arcs intercepted by the angle and it's vertical angle, so

x = 0.5(58 + 22)° = 0.5 × 80° = 40°

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tamaranim1 [39]

Answer:

$\sqrt{60}$

Step-by-step explanation:

Use the Pythagorean theorem a^2 + b^2 = c^2

In this case you are given a and c, so set the equation up like

2^2 + b^2 = 8^2

b^2 = 8^2 - 2^2

b = $\sqrt{8^{2} -2^{2} }$

b = $\sqrt{60}$

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2 years ago

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LenaWriter [7]

I’m almost positive that the anwser is -20.

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3 years ago

Read 2 more answers

Qué número es 3 unidades mayor que +5

BaLLatris [955]

Answer:

Step-by-step explanation:

5 + 3 = 8

7 0

3 years ago

Jason has x nickels and y dimes. He has no less than 15 coins worth a maximum of $1 combined. Solve this system of inequalities

Juli2301 [7.4K]

Answer:

x + y > 15

10x + 5y < 100

we will put it in terms of y

y > 15 - x

and

5y < 100 - 10x

y < 20 - 2x

-TheUnknownScientist

4 0

3 years ago

A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

frutty [35]

Answer:

The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

The wire makes an angle of 58deg 20min with the ground.

1 degree = 60 min

Using this conversion convert the given angle in degree.

$58^{\circ}20'=58^{\circ}\frac{20}{60}^{\circ}=58\frac{1}{3}^{\circ}=\frac{175}{3}^{\circ}$

In a right angled triangle

$\cos \theta=\frac{adjacent}{hypotenuse}$

$\cos (\frac{175}{3}^{\circ})=\frac{40}{hypotenuse}$

$0.525=\frac{40}{hypotenuse}$

$hypotenuse=\frac{40}{0.525}$

$hypotenuse=76.190$

Therefore the length of the wire is 76.19 m.

3 0

3 years ago