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vova2212 [387]
3 years ago
6

Help on precal, what are the answers?

Mathematics
1 answer:
Sloan [31]3 years ago
5 0
1) cscΘ = - 2

=>

        1
      ------ = - 2
      sinΘ

=> sinΘ = - 0.5 => Θ is in the third and fourth quadrant

=> Θ = 180° + 30° = 210°

and Θ = 360° + 30° = 330°

2) tan Θ = √3

=> Θ = 60° and Θ = 180° + 60° = 240°
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Rodrigo applied for a $14,000 loan at an interest rate of 5.4% for 6 years. Use the monthly payment formula to complete the stat
EastWind [94]

Answer:

A= $19354.71

At the end of 6 years

Step-by-step explanation:

$14,000 loan at an interest rate of 5.4% for 6 years.

Amount to be paid at the end of the six years is

A= p(1+r/n)^(nt)

P= $14000

r= 0.054

t = 6

n = 6*12 = 72

A= 14000(1+0.054/72)^(72*6)

A= 14000(1+ 0.00075)^(432)

A= 14000(1.00075)^(432)

A= 14000(1.38247941)

A= 19354.71

A= $19354.71

3 0
3 years ago
Read 2 more answers
tim measures a water tower (cylinder) with the circumference of 62.8cm and height of 11.5cm, in his town a person needs 300cm3 o
miss Akunina [59]

Answer:

about 12 people

Step-by-step explanation:

cir.=2πr=62.8 , so r=31.4/π , vol of tower= base area × hight = πr² × 11.5 ≈ 3609.17 cm³ , number of people= vol/300 ≈ 12

7 0
3 years ago
You are stacking wooden blocks (cubes) whose sides are all 1 1/4 inches how many blocks do you need to stack or build a block to
ASHA 777 [7]

Answer: You need to stack 6 blocks to build the block tower.

Step-by-step explanation:

Hi, to answer this question we simply have to divide the tower's height (7 1/2) by the side length of the cubes (1 1/4).

Mathematically speaking:

7 1/2 ÷1 1/4 = (7x2+1) /2 ÷ (1x4+1)/4 = 15/2 ÷ 5/4 = (15x4) / (2x5) = 60/10 =6 cubes

You need to stack 6 blocks to build the block tower.

Feel free to ask for more if needed or if you did not understand something.

7 0
3 years ago
Finding x :8x + 10 - 5x = 15.​
Misha Larkins [42]

Answer:

Here you go! 8x+10-5x!

Just kidding. here you go. x=1.66

Step-by-step explanation:

you can simplifiy the x´s by making it 3x by subtracting. You can also subract 10 from both sides. That leaves you with 3x=5.

x=1.66

7 0
4 years ago
Read 2 more answers
Nicole used a total of 5 1/6 gallons of gas while driving her car. Each hour she was driving, she used 5/9 gallons of gas what w
Gennadij [26K]

Let's write the total of gallons in improper fraction:

Step 1: Multiply the denominator by the whole number

6 × 5 = 30

Step 2: Add the answer from Step 1 to the numerator

30 + 1 = 31

Step 3: Write answer from Step 2 over the denominator

5 1/6  = 31 / 6

Let's divide the total gallons by what she used each hour to get the number of hours:

\dfrac{31}{6} \ : \ \dfrac{5}{9} = \dfrac{31}{6}\  \cdot \ \dfrac{9}{5} =  \dfrac{31}{2}\  \cdot \ \dfrac{3}{5} = \dfrac{93}{10}

Let convert the improper fraction to mixed number:

93/10 = 9 3/10

<h2>She was driven a total of 9 3/10 hours</h2>
6 0
1 year ago
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