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stiv31 [10]
3 years ago
6

Help please, I have a test!! HELP

Mathematics
2 answers:
Leto [7]3 years ago
8 0

Answer:

y=126°

Step-by-step explanation:

180°=80°+46°+x

180°=126°+x

180°-126°=x

54°=x

180°=x+y

180°=54°+y

180°-54°=y

126°=y

vazorg [7]3 years ago
6 0

Answer:

Step-by-step explanation:

690

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Can somebody please help answer this word problem using grass method? And showing how u get the answer thanks!!!
siniylev [52]

Answer:

0.25m or 1/4m

Step-by-step explanation:

Given Height of Dorsal Fin = 1/6 of Length of whale Sculpture,

and given length of whale sculpture = 1.5m or 1\frac{1}{2} m\\

Height of Dorsal fin on scuplture = (\frac{1}{6})(1\frac{1}{2} )\\

= (\frac{1}{6} )(\frac{3}{2}) \\= \frac{3}{12} \\= \frac{1}{4}m or 0.25m

5 0
2 years ago
A scuba diving company currently charges $100per dive. On average, there are 30 customers per day. The company performed a study
Semenov [28]

A. Total Revenue (R) is equal to price per dive (P) multiplied by number of customers (C). We can write R=PC.

Per price increase is $20. So four price increase is $20*4=$80. Hence, price per dive is 100+80=$180.

Also per price increase, 2 customers are reduced from 30. For 4 price increases, 4*2=8 customers are reduced. Hence, total customers is 30-8=22.

So Total Revenue is:

R=180*22=3960


B. Each price increase is 20. So x price increase is 20x. Hence, new price per dive would be equal to the sum of 100 and 20x.

Also per price increase, customers decrease by 2. So per x price increases, the customer decrease is 2x. Hence, new number of customers is the difference of 30 and 2x.

Therefor we can write the quadratic equation for total revenue as the new price times the new number of customers.

R=(100+2x)(30-2x)=-40x^{2}+400x+3000


C. We are looking for the point (x) at which the equation modeled in part (B) gives a maximum value of revenue (y). That x value is given as x=-\frac{b}{2a}, where a is the coefficient of x^{2} and b is the coefficient of x. So we have,

x=-\frac{b}{2a}=- \frac{400}{(2)(-40)}=5

That means, the greatest revenue is achieved after 5 price increases. Each price increase was 20, so 5 price increase would be 5*20=100. So the price that gives the greatest revenue is 100+100=200.

ANSWERS:

A. $3960

B. R=-40x^{2}+400x+3000

C. $200

4 0
3 years ago
Could a circle be circumscribed around this?​
djyliett [7]

Answer:

no

Step-by-step explanation:

4 0
2 years ago
Arrange numbers in ascending order (smallest on top, largest at the bottom)
Alex Ar [27]

Answer:

1. -50

2. -49

3. 38

4. 175

Step-by-step explanation:

hope it helps

8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP 390I290WJKEFDMSFJFSDFSD
Genrish500 [490]

Answer:

sure with wat? there is nothing and which subject is it math im  really good at math

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Step-by-step explanation:

6 0
3 years ago
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