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lakkis [162]
3 years ago
9

If cos θ > 0 and tan θ > 0, which of the following statements MUST be true? (5 points)

Mathematics
1 answer:
solniwko [45]3 years ago
5 0

Yo sup??

cosx>0 in the 1st and 4th quadrant.

tanx>0 in the 1st and 3rd quadrant.

therefore the common solution is x lies in 1st quadrant.

Hence the correct answer is option A.

Hope this helps

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The square root of 40 is between what 2 numbers ?
Alika [10]

Answer:

between 6 and 7

hope it helps you budy

3 0
3 years ago
Read 2 more answers
What percentage of muscle weight would you have if 60 pounds out of 140 pounds is muscle weight? If muscle weight is 90 pounds,
Dmitry_Shevchenko [17]
\bf \begin{array}{ccllll}
total\ weight&muscle\ weight\\
-----&-----\\
140&60\\
x&90
\end{array}\implies \cfrac{140}{x}=\cfrac{60}{90}

solve for "x".
6 0
3 years ago
Two banks offer compound intereston your investment while you deposit with them. Bank A calculates compound interest annuallyand
sladkih [1.3K]

Answer:

Bank B because the more often you compound interest, the more interest you earn.

Step-by-step explanation:

Bank A compounds the interest once a year.

Bank B compounds the interest twice a year.

Let's create an example of two investments of the same amount of money, the same interest rate, and the same time. The only difference will be the number of times the interest is compounded per year.

Compound interest formula:

A = P(1 + \dfrac{r}{n})^{nt}

where

A = future value

P = principal invested

r = interest rate

t = number of years

n = number of times interested is compounded in 1 year

Example:

P = $1000

r = 5%

t = 5 years

Bank A: n = 1

Bank B: n = 2

Bank A:

A = $1000(1 + \dfrac{0.05}{1})^{1 \times 5} = $1276.28

Bank B:

A = $1000(1 + \dfrac{0.05}{2})^{2 \times 5} = $1280.08

Bank A's investment is worth $1276.28 after 5 years, but Bank B's investment is worth $1280.08 after the same 5 years. Compounding twice per year instead of only once per year earns more interest.

3 0
2 years ago
Evaluate each function for x = 4<br> g(x) = -2x - 3
Olin [163]

Answer:

g(4) = -11

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = -2x - 3

x = 4

<u>Step 2: Evaluate</u>

  1. Substitute:                    g(4) = -2(4) - 3
  2. Multiply:                        g(4) = -8 - 3
  3. Subtract:                       g(4) = -11
3 0
3 years ago
Read 2 more answers
How many subsets can you make from the set of (1, 2, 3, 4, 5, 6)?
rusak2 [61]

Answer:

64

Step-by-step explanation:

For a set of x elements, there are 2^x subsets, including a full and empty subset.

In the set \displaystyle \{1, 2, 3, 4, 5, 6\}, there are 6 elements and therefore 2^6=\boxed{64} subsets

8 0
2 years ago
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