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olga_2 [115]
4 years ago
11

Function f is a cosine function with period 8π, amplitude 3, and a local maximum at f(0) = –3. What is the equation of the midli

ne of the graph of f?
Mathematics
2 answers:
alisha [4.7K]4 years ago
8 0

Answer:

y = 0

Step-by-step explanation:

Since there is no indication of a shift in the graph of f(x) = 3cos(-0.25x), then the midline must be the normal midline for a cosine or sine function which is: y = 0.

Lana71 [14]4 years ago
8 0

Answer: Is there suppose to be a picture or something?

Step-by-step explanation:

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The total cost of a new autombile, including a 4% sales tax on the price of the automobile, is $28,835. how much of the total co
lara [203]

We can write the first part of this problem as: What is 6.5% of $29,990.

"Percent" or "%" means "per 100" or "out of 100". Therefore

6.5 hope this helps (:

%

can be written as

6.5

100

.

When dealing with percentages the word "of" means the product of or to multiply.

Let's call the sales tax amount we are looking for

s

.

We can now write the problem as:

s

=

6.5

100

×

$

29990

s

=

$

194935

100

s

=

$

1949.35

The sales tax on the car is: $1,949.35.

The total price of the car is then:

$

29

,

990.00

+

$

1

,

949.35

=


8 0
3 years ago
Number 3 and how you got the answer
melomori [17]
You have the correct steps and final answer. The area of the room is 196 square feet, so each side is sqrt(196) = 14. The perimeter is 14*4 = 56 feet. You'll need 6 boards (each 10 ft long) to get 60 ft total. You'll have 60-56 = 4 ft of board left over. This is assuming that there isn't any other type of waste or mistakes made in cutting. 

Nice work on getting the correct steps and final answer.
8 0
3 years ago
a cookie recipe for 5 dozen cookies calls for 4 cups of flour. how much flour is needed to make 90 cookies
alexandr1967 [171]

you need 30 cup of flower


7 0
3 years ago
Read 2 more answers
PLEASE HELP ME ASAP<br><br> Find the value of x.
Crazy boy [7]

Answer:

x=130

Step-by-step explanation:

Find the base angles of the isosceles triangle: 2y+50=180

2y=130

y=65

x=2(65)=130

Therefore, x=130

I hope this helped and have a good rest of your day!

5 0
3 years ago
Read 2 more answers
Divide 80 into two parts such that greater part is 4 times the smaller.
brilliants [131]

Answer:

here u go

Step-by-step explanation:

pls mark me as brainlist

thx

4 0
3 years ago
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