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Oxana [17]
3 years ago
9

Use the quadratic formula to find all degree solutions and θ if 0° ≤ θ < 360°. Use a calculator to approximate all answers to

the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) cos2 θ cos θ − 1

Mathematics
1 answer:
tigry1 [53]3 years ago
5 0

Answer:

Step-by-step explanation:

f(x)=cos2xcosx-1

Root f(x)=(1,0)

y-intercept=(0,-1)

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Which graph represents the function f(x) = -|x| -2
Svet_ta [14]

Answer:

my answer is in this picture

5 0
2 years ago
Tyler's mom purchased a savings bond for Tyler. The value of the savings bond increases by 4% each year. One year after it was p
Alla [95]

Answer:

150

Step-by-step explanation:

Since the value of the bond increases by 4% each year and only 1 year passed by then the ROI is not compounded and we only need to find the value before the 4% was implemented. In order to add 4% to a value we would multiply that value by 1.04 which increases that value by 4%. So, to find the value before the interest was added we would need to divide the new value by 1.04 instead.

$156 / 1.04 = $150

Finally, we can see that the value of the bond when Tyler's mom purchased it was 150

6 0
3 years ago
Melissa bought 2 shirts and 3 skirts and spent between $45 and $60. Each shirt costs the same amount. Each skirt costs the same
sukhopar [10]

Answer:

Least is 7

Most is 12

Step-by-step explanation:

So 2 shirts for 12.

So 24

Take 24 off of both

Left with 21 to 36

21÷3 is 7

36÷3 is 12

Hope this helps

6 0
3 years ago
Read 2 more answers
Ali was swimming along the bottom of his backyard pool at a depth of 6 feet then he pushed off the bottom and rose 4 feet what i
olga nikolaevna [1]

Answer:

2 feets

Step-by-step explanation:

Given that :

Alli's Initial depth = 6 feets

Number of feets in which Alli rose = 4 feets

Alli's new position relative to the surface of the pool:

Difference of Alli's initial depth and feets risen :

6 feets - 4 feets = 2 feets

Hence, Alli is now 2 feets below the surface of the pool.

7 0
3 years ago
What is the quotient of 2/3 : 4 in simplest form? ​
weeeeeb [17]

Answer:

1/6

Step-by-step explanation:

2/3 divided by 4= 2/3 x 1/4

2/3 x 1/4=2/12

2/12 simplifies to 1/6

4 0
2 years ago
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