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4 years ago

Solve for x ! I need help

Mathematics

2 answers:

OlgaM077 [116]4 years ago

7 0

Answer:

x=45.6

Step-by-step explanation:

(2x-2)+x+45=180

Combine like terms.

3x+43=180

Subtract 43 on both sides.

3x+43=180

-<u>43 -43</u>

3x=137

Divide by 3 on both sides.

3x=137

x=45.6

(I'm not sure if it's right because it's a decimal, but...)hope this helps!!!!! Have an amazing day c:

Leya [2.2K]4 years ago

5 0

Answer:

x = 47°

Step-by-step explanation:

This is an exterior angle property, one of the properties in a triangle. The exterior angle theorem states that if a triangle's side gets an extension, then the resultant exterior angle would be equal to the sum of the two opposite interior angles of the triangle.

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Whats is the slope of the line that passes through the points (3,-1) and (-2,-5)

Alchen [17]

You just subtract the x's and subtract the y's. So it will be 3- -2 and -1 - -5. Subtracting a negative is like adding a positive so your answer will be 5/4.

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3 years ago

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The tallest building in Franklin is two-thirds the

drek231 [11]

Answer:

The height of tallest building in Franklin is $\frac{431}{8}$ feet or $53\[\frac{7}{8}\]$ feet.

Step-by-step explanation:

Given:

The height of tallest building in Mayville is $80\[\frac{13}{16}\]$ feet or $\frac{1293}{16}$ feet. (Simplifying the fraction)

And the tallest building in Franklin is 2/3rd of the tallest building in Mayville.

So, multiply the height of Mayville with $\frac{2}{3}$ to get the height of tallest building in Franklin.

Thus, the height of tallest building in Franklin will be,

$h=\[\frac{1293}{16}\]\times\frac{2}{3}\\h=\frac{431}{8}\\h=53\frac{7}{8}$

The height of tallest building in Franklin is $\frac{431}{8}$ feet or $53\[\frac{7}{8}\]$ feet.

For more details, refer to the link:

brainly.com/question/6201432?referrer=searchResults

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3 years ago

You must be at least 48 inches tall to ride an amusement park ride and your little sister is 39 inches tall.How many more inches

mafiozo [28]

Answer:

9 inches

Step-by-step explanation:

48-39

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3 years ago

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(3cosx-4sinx) + (3sinx+4cosx) = 5

Ksenya-84 [330]

(3 cos x-4 sin x)+(3sin x+4 cos x)=5
(3cos x+4cos x)+(-4sin x+3 sin x)=5
7 cos x-sin x=5
7cos x=5+sin x
(7 cos x)²=(5+sinx)²
49 cos²x=25+10 sinx+sin²x
49(1-sin²x)=25+10 sinx+sin²x
49-49sin²x=25+10sinx+sin²x
50 sin² x+10sinx-24=0

Sin x=[-10⁺₋√(100+4800)]/100=(-10⁺₋70)/100
We have two possible solutions:
sinx =(-10-70)/100=-0.8
x=sin⁻¹ (-0.8)=-53.13º (360º-53.13º=306.87)

sinx=(-10+70)/100=0.6
x=sin⁻¹ 0.6=36.87º

The solutions when 0≤x≤360º are: 36.87º and 306.87º.

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3 years ago

Rectangle has a width of 14 cm in a diagonal 20 cm what’s the length of the rectangle

Advocard [28]

Answer:

I think it might be 14.28.

Step-by-step explanation:

I used a triangle calculator "cossincalc.com"

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3 years ago

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