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JulsSmile [24]
3 years ago
13

What is the value of x.

Mathematics
2 answers:
Mazyrski [523]3 years ago
5 0
98. Because 53+45=98 and then the sum of all the angles are 180 so 180-98=82 and then 180-82 to get X is 98.
horsena [70]3 years ago
4 0

Answer:

x = 98 degrees

Step-by-step explanation:

All angles in a triangle add up to 180

Solve for the missing angle

53 + 45 = 98

180 - 98 = 82

The angle next to it forms a linear pair which also adds up to 180 degrees.

180 - 82 = 98

X = 98 degrees

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Solve the triangle. Round your answers to the nearest tenth.
Tresset [83]

Answer:

<B = 47°

<C = 28°

b = AC = 28.0

Step-by-step explanation:

Given:

∆ABC

AB = c = 18

BC = a = 37

<A = 105°

Required:

Length of AC = b

measure of angle B and angle C

SOLUTION:

==>Use the sine rule, sin A/a = sinC/c to find the angle of C:

SinA = sin(105) = 0.9659

a = 37

sinC = ?

c = 18

0.9659/37 = sinC/18

Cross multiply

0.9659*18 = 37*sinC

17.3862 = 37*sinC

Divide both sides by 37

17.3862/37 = sinC

0.4699 = sinC

sinC = 0.4699

C = Sin-¹(0.4699)

C = 28.0° (nearest tenth)

==>Find angle B using sum of angles in a triangle:

Angle B = 180 - (105+28)

Angle B = 180 - 133

Angle B = 47°

==>Find length of b using sine rule, b/sinB = c/sinC:

SinC = sin(28) = 0.4695

SinB = sin(47) = 0.7314

c = 18

b = ?

b/0.7314 = 18/0.4695

Cross multiply

b*0.4695 = 18*0.7314

b*0.4695 = 13.1652

Divide both sides by 0.4695

b = 13.1652/0.4695

b = 28.0 (nearest tenth)

6 0
3 years ago
3 3/5 greater than 1
GalinKa [24]

Answer: True

Step-by-step explanation: The left side 3.6 is greater than the right side 1, which means that the given statement is always true.

I hope this helps you out!

4 0
2 years ago
Define prism and itz color​
Drupady [299]

Answer:

An optical prism is a transparent optical element with flat, polished surfaces that refract light. ... A dispersive prism can be used to break white light up into its constituent spectral colors (the colors of the rainbow).

Step-by-step explanation:

5 0
2 years ago
"Anik" is the name of a series of Canadian communications satellites. The first Anik shown here, was launched in 1972. It was a
Ann [662]
The surface area would be 26.5487 m².

The surface area of a cylinder is equal to the area of the circles at both ends, added to the area of the rectangular portion in the middle.  The rectangle in the middle has a width equal to the circumference of the circle and a length equal to the height of the cylinder. 

The circumference of a circle is given by C = πd, and the area of the circles is given by A=πr².  

Since the height is in meters, we will convert it to cm.  3.5 m = 350 cm.
The diameter is 190 cm, so the radius is 190/2 = 95 cm.

This gives us:
SA = 3.14(190)(350)+2(3.14)(95)²
= 208810 + 56677 = 265487 cm² = 26.5487 m²
8 0
3 years ago
Compare using &lt;, &gt;, = 5+(-4)____-4 + (-7)
nikitadnepr [17]

Good morning,

Answer:

<h2>5+(-4) > -4 + (-7)</h2>

Step-by-step explanation:

5+(-4) = 5 - 4 = 1

-4 + (-7) = -(4+7) = -11

since  1 > -11 then 5+(-4) > -4 + (-7)

:)

4 0
3 years ago
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