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chubhunter [2.5K]
3 years ago
12

What is the value of c?

Mathematics
2 answers:
yulyashka [42]3 years ago
3 0

Answer:

71

Step-by-step explanation:

kap26 [50]3 years ago
3 0
The answer is 71 degrees, considering that one is a right angle we know that it is 90 degrees and because all of the angles of a triangle added up is 180 we can do 180 - (90 + 42) = 48, 48 is a, then we know that angle B is on a supplementary angle with a so it would be 90 - a = b, plug it in it would be 90 - 48 = 42 then we would do the same thing to find angle c, 180 - (42 + 67) which equals 71
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A ladder placed 7 feet away from a wall,and makes 45 angle with ground.what is the length of the ladder?
elixir [45]

Answer:

L = 14/\sqrt2} <u>OR</u> 9.899

Step-by-step explanation:

cos(angle) = adjacent/ hypotenuse

hypotenuse = length of ladder

adjacent = 7 feet

length of ladder = L

1/L = cos(45)/7

L = 7/cos(45)

<u><em>MAKE SURE CALCULATOR IS IN DEGREE MODE</em></u>

L = 7/(\sqrt{2}/2)

L = 14/\sqrt{2}

5 0
4 years ago
Please help and shows workings of the attached screenshot
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Answer:

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Step-by-step explanation:

7 0
3 years ago
What phrase describes the variable expression m+5
pentagon [3]
It's a linear binomial because it has two terms (binomial) and one degree (linear).
6 0
4 years ago
What is the correct answer for this equation here?<br>3(4x – 7) = 135​
S_A_V [24]

Answer:

x=13

Step-by-step explanation:

1. divide both sides by 3

2. simplify: 4x-7=45

3. add 7 to both sides

4. 4x=52

5. divide both sides by 4

6. x=13

7 0
4 years ago
A health club charges a $50 initial fee , plus $2 for each visit . Marsha has spent a total of $144 at the health club this year
AVprozaik [17]
Use these variables to make an equation-
y is the total amount.
$50 is where you start charging(y intercept, variable b).
x is how many visits Marsha made.
The equation can be in slope-intercept form (y=mx+b)-
$144=$2x+50
Solve for x using inverse operations.

Subtract 50 from both sides-
144-50=2x+50-50
94=2x

Divide 2 from both sides-
94/2=2/2
x=47

Marsha made 47 visits to the health club.

6 0
3 years ago
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