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sesenic [268]
2 years ago
14

TRIG. HELP GIVE BRAINLEST AND EARN POINTS​

Mathematics
1 answer:
cricket20 [7]2 years ago
5 0

Answer:

c ≈ 4.2 ft

Step-by-step explanation:

Using the cosine rule with a = 7, b = 8 and C = 32°, then

c² = 7² + 8² - (2 × 7 × 8 × cos32°)

   = 49 + 64 - (112 × cos32°)

   = 113 - 94.98

c = \sqrt{113-94.98} ≈ 4.2 ft ( to the nearest tenth )

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I GIVE BRAINLIEST :)<br><br> Question is in picture, tysm
77julia77 [94]

Answer:

No x^3 times x^5 is not equal to x^15. It is equal to x^8

Step-by-step explanation:

x3x5

=x3*x5

=(x*x*x)*(x*x*x*x*x)

=x*x*x*x*x*x*x*x

=x8

7 0
3 years ago
Read 2 more answers
Consider the limaçon with equation r = 3 4cos(θ). how does the quotient of a and b relate to the existence of an inner loop?
Delicious77 [7]

If the equation is r = 3 +4cos(θ) then because b/a>1 the curve is a limacon with an inner loop.

Given limacon with equation r=3+4cos(θ) and we have to answer how the quotient of a and b relate to the existence of an inner loop.

Equation is like a relationship between two or more variables expressed in equal to form and it is solved to find the value of variables.

formula of polar graph is similar to r= a+ b cos (θ).

Case 1. If a<b or b/a>1

then the curve is a limacon with inner loop.

Case 2. If a>b or b/a<1

Then the limacon does not have an inner loop.

Here given that r=3+4cos (θ)

It is observed that , a<b or b/a>1

Therefore the curve is limacon with an inner loop.

Hence because b/a>1 the curve is a limacon with an inner loop.

Learn more about limacon at brainly.com/question/14322218

#SPJ4

5 0
2 years ago
Sharon is five years older than Robert. Five years ago, Sharon was twice as old as Robert was then. How old is Robert?
Rama09 [41]

Answer:

15

Step-by-step explanation

8 0
3 years ago
Your food bill at a restaurant is $30. You leave a 20% tip. The sales tax is 6%. What is the total cost of the meal?
ohaa [14]
The total cost of the meal is $37.80

Given:
Food bill = $30
tip = 20%
sales tax = 6%

Tip and sales tax must be based on the food bill.

Tip = $30 x 20% = $6
Sales Tax = $30 x 6% = $1.80

Food bill :   30.00
Tip               6.00
Sales tax  <u>   1.80</u>
Total cost 37.80


7 0
3 years ago
Read 2 more answers
X = 22 + 10x<br> How to find x?
GrogVix [38]

Answer:

x = -2.44

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Subtract 10x from both sides:

x (-10x) = 22 + 10x (-10x)

x - 10x = 22

-9x = 22

Isolate the variable, x. Divide -9 from both sides:

(-9x)/-9 = (22)/-9

x = 22/-9

x = -(22/9)

x = -2.44 (repeating).

x = -2.44 (rounded) is your answer.

~

7 0
3 years ago
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