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disa [49]
3 years ago
6

Type the correct answer in the box. In this triangle, =

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer: Hence, the value of \frac{\cos A}{\cos B}=\frac{0.7}{0.7} is 1.

Step-by-step explanation:

Since we have given that

ABC is a right angled triangle.

We need to find the value of \frac{\cos A}{\cos B}

As we know the formula for "Cosine Rule ":

\cos A=\frac{Adjacent\ side\ to\ A}{Hypotenuse}\\\\\cos A=\frac{3}{4.24}=0.7

similarly,

\cos B=\frac{Adjacent\ side\ to\ B}{Hypotenuse}\\\\\cos B=\frac{3}{4.24}=0.7

So, \frac{\cos A}{\cos B}=\frac{0.7}{0.7}=1

Hence, the value is 1.

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Tristen walked 13 1/4 hours in May and June. In May he walked 6 4/6 hours. How many hours did he walk inJune
valina [46]

Answer:

6  7/12 hours in June

Step-by-step explanation:

Find the answer to this question by subtracting 6  4/6 hours from the total 13  1/4 hours:

13  1/4 hours   is equivalent to 12  5/4 hours (we borrow '1' from 13  1/4).

Thus, we have

 12  5/4 hours              Note that the LCD of 5/4 and 4/6 is 12.  Thus

-   6  4/6 hours               we have

 12  15/12 hours

-  6    8/12 hours

--------------------------

   6    7/12 hours

Tristen walked 6  7/12 hours in June.

7 0
3 years ago
Consider the function y 2x+3. which is true
Bess [88]

Answer:

True

Step-by-step explanation:

if you really think about it you can use y for anything an dy is the most replaceable to have so i agree with your think hope it help man

6 0
3 years ago
Read 2 more answers
HELP NEEDED! 15 POINTS!<br> Given that m
S_A_V [24]

Answer:

140°

Step-by-step explanation:

arc ER = 2×70° = 140°

7 0
3 years ago
Situation: a 25 gram sample of a substance that’s used for drug research has a K-value of 0.1205
Lelu [443]
The decay model is given as

N=N_0e^{-Kt}

The substance's half-life is the time it takes for the substance to decay to half its original amount. In other words, it's the time t such that N=\dfrac{N_0}2. Substituting into the model, you have

\dfrac12=e^{-Kt}

You can solve for t now.

\dfrac12=e^{-Kt}
\implies\ln\dfrac12=\ln e^{-Kt}
\implies-\ln2=-Kt\ln e
\implies\dfrac{\ln2}K=t\approx5.7523\text{ days}
8 0
3 years ago
What is the missing length?<br> с<br> 4 mm<br> 3 mm<br> 2<br> area = 10 mm
Anarel [89]

Answer:

4mm

Step-by-step explanation:

That is the answer thank you hehehe

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3 years ago
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