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denpristay [2]
3 years ago
5

132 48 19 21 ... please help!!! doing a quiz it’s timed

Mathematics
2 answers:
Citrus2011 [14]3 years ago
5 0

Answer:

21°

Step-by-step explanation:

set it up

7x-1+3x-9=180

combine like terms

10x-10=180

take the ten to the other side

10x=190

divide both sides by 10

x=19

plug x in

3(10)-9

30-9

21

(Incase you need it the other angle is 159°)

LiRa [457]3 years ago
3 0

Answer:

48

Step-by-step explanation:

7x-1+3x-9=180

10x-10=180

190/10

x=19

3*19-9=48

ANSWER:48

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Find the value of x and y
slava [35]

Answer:

Step-by-step explanation:

OS ≅ OU, so we will set those 2 expressions equal to each other and solve for y:

6y = 42 so

y = 7

Same goes for OT and OV:

x + 5 = 23 so

x = 18 and

SU = 84

5 0
3 years ago
The perimeter of a semicircle is 5.14 feet. What is the semicircle’s area?
hammer [34]
\bf \textit{circumference of a semi-circle}\\\\
C=\pi r\qquad 
\begin{cases}
r=radius\\
-----\\
C=5.14
\end{cases}\implies 5.14=\pi r\implies \boxed{\cfrac{5.14}{\pi }=r}\\\\
-------------------------------\\\\
\textit{area of a semi-circle}\\\\
A=\cfrac{\pi r^2}{2} \implies A=\cfrac{\pi }{2}r^2\implies A=\cfrac{\pi }{2}\left( \boxed{\cfrac{5.14}{\pi }} \right)^2
\\\\\\
A=\cfrac{\pi }{2}\implies \cfrac{5.14^2}{\pi ^2}\implies A=\cfrac{26.4196}{2\pi }\implies A=\cfrac{13.2098}{\pi }
5 0
3 years ago
An observer is standing in a lighthouse 96 feet above the level of the water. The angle of depression of a buoy is 22. What is t
lorasvet [3.4K]
Tan(theta)=opp/adj
Tan(22)=96/x
X=96/tan(22)
4 0
3 years ago
Read 2 more answers
You are working as a sales clerk in a fabric store and need to determine the price on some fabric. The fabric store sells for $6
mariarad [96]

Answer:

$6.10

Step-by-step explanation:

Given the fabric store sells the fabric for $6.97 per yard

Given that a customer buys 7/8 yard of fabric.

Let the cost the customer pays be x then

1 yard---->6.97

\frac{7}{8} yard---->x

on cross multiplication we get

x\time 1=6.97\times \frac{7}{8}

x=6.01

Therefore the amount the customer should pay is $6.01

6 0
3 years ago
A) NO CHANGE
ollegr [7]

The most appropriate choice for sentence correction will be given by:

<h3>What is sentence correction?</h3>

Sentence correction is a type of grammatical practice where a sentence is given with a word or a phrase that requires grammatical changes or improvement.

Now,

  • In the given sentence, "Wilmers and Estes caution, however, that <u>having more otters</u> will not automatically solve the problem of higher levels of carbon dioxide in the air".
  • The most appropriate choice for sentence correction will be given by: the otters multiplying (option B).

To learn more about sentence correction, refer to the link: brainly.com/question/14632568

#SPJ4

6 0
1 year ago
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