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Iteru [2.4K]
4 years ago
15

Can anyone solve these for me?

Mathematics
1 answer:
alex41 [277]4 years ago
3 0
\theta = 38^o
\\\ tan(38^o) = \frac{x}{3}, x = 3tan(38^o), x\approx2.344
\\\ sin(38^o) = \frac{2.344}{y}, y = \frac{2.344}{sin(38^o)}, y \approx 3.807Geometry Rule: SOH CAH TOA.
Sine = opposite over hypotenuse
Cosine = adjacent over hypotenuse
Tangent = opposite over hypotenuse
I won't solve all of these for you because I find that solving it on your own is an important step in learning to actually understand how this works.

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A family swimming pool holds 60m2 of water. The function below gives the cubic
adelina 88 [10]

Answer:

58.74 cubic meters

Step-by-step explanation:

The function is actually  f(x)=60-0.18x

Here x is the number of days and the corresponding value of "f(x)" would be the water REMAINING after x days.

Since, we want to figure out how much water (from 60 m^3) is remaining after 7 days, we simply have to plug in x = 7 into the function. Whatever number we get, is the AMOUNT OF WATER REMAINING AFTER 7 DAYS.

So,

f(x)=60-0.18x\\f(7)=60-0.18(7)\\=58.74

Thus, the amount of water remaining in the pool after 7 days is 58.74 cubic meters

3 0
3 years ago
What is 3x+4y=12 solve for y
Alex777 [14]

Answer:

y= -3/4x+3

Step-by-step explanation:

3x+4y=12    first step is to isolate the variable

-3x       -3x  subtract 3x on both sides

4y=-3x+12  

/4          /4   divide both sides by 4

y= -3/4x+3

6 0
4 years ago
AC =<br> Round your answer to the nearest hundredth.<br> B<br> 6<br> 70degrees<br> A<br> ?<br> с
Tom [10]

Answer:

AC ≈ 2.18 units

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan70° = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{6}{AC} ( multiply both sides by AC )

AC × tan70° = 6 ( divide both sides by tan70° )

AC = \frac{6}{tan70} ≈ 2.18 ( to the nearest hundredth )

6 0
3 years ago
Canz someone help me this is very confusing
andrew-mc [135]

Answer:

$48

75 minutes

Step-by-step explanation:

36/75=0.48 so %1 of her money is 0.48 but if you multiply that by 100 then you get $48, im pretty sure there's an easier way to do that but thats how i got it

18/24=0.75

0.75x100=75

8 0
3 years ago
Plsss I need help ASAP
BartSMP [9]

Answer:

The first is True.

The second is False.

The third is True.

The fourth is True.

The Fifth is False.

6 0
3 years ago
Read 2 more answers
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