3 years ago

What the answer to this?

1 answer:

6 0

You need to set up proportions:
3/8=x/192
(3 cups to 8 ounces = x cups to 192 ounces)

cross multiply:
8x=3×192
8x=576
x=72

72 cups are needed

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Complete the statements.

spayn [35]

Answer:

1. 30

2. 150

Step-by-step explanation:

$3tan^2(x)-1 =0$

Lets assume tan(x) = u

$3u^2(x)-1 =0$

Now we solve for 'u'

add 1 on both sides

$3u^2(x) =1$ , divide both sides by 3

$u^2 = \frac{1}{3}$

Take square root on both sides

$u = +-\frac{1}{\sqrt{3} }$

We replace tan(x) for 'u'

$tan(x) = +-\frac{1}{\sqrt{3} }$

x = 30 because $tan(30) =+\frac{1}{\sqrt{3} }$ in first quadrant

x = 30 (tan is positive in first quadrant)

$tan(x) =-\frac{1}{\sqrt{3} }$

x = 150 because $tan(150) =-\frac{1}{\sqrt{3} }$ in second quadrant

tan is negative in second quadrant

4 0

3 years ago

2. What is the place value of the "6" in the number: 181,452.836? *

matrenka [14]

A. tenths

B. ones

C. oneths

D. thousands

E. others

my answer is A. ones

5 0

3 years ago

diana bnrought a car for 5,000 and plan to sell it to make a 20% profit .what should she sell it for to make the profit she desi

Vikentia [17]

$6,000

5,000•1.2=$6,000

4 0

3 years ago

$750 are deposited into an account quarterly for eight yeara at an interest rate of 7.9% compounded quarterly how much is in the

IgorC [24]

750*7.9%*8=474 is the account at the end of 8 years. Good luck

4 0

4 years ago

Need help with 4-10 pleaseeee

emmainna [20.7K]

Answer:

-6

Step-by-step explanation:

10 - 4 = 6

Turn it to negative.

-6

5 0

3 years ago