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3 years ago

NEED HELP ASAP!!!!

Mathematics

1 answer:

Sonja [21]3 years ago

7 0

The answer is C. Add 25 and 90 together and you should get 115. Then subtract that from 180 to get the miss angle brains P which is 65. Subtract 65 from 180 bc angle P and 60 make a straight line (180°). You should end up w/ 115

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Find DE (trigonometry) Show work pls

Ksju [112]

Answer:

Step-by-step explanation:

tan61=FD/24

FD=24tan61

tan19=DE/FD

DE=FDtan19, since FD=24tan61

DE=(24tan61)(tan19) (exact)

DE=14.9 units (rounded to nearst tenth)

Though they might round to 15 units...

7 0

3 years ago

Model Exponential Growth Question :A sample of bacteria is growing at a continuously compounding rate. The sample triples in 10

Iteru [2.4K]

Answer:

The number of bacteria $B$ after $d$ days is given by

$B = B_0 (3)^{\frac{1}{10} d}$

where $B_0$ is the initial number of bacteria.

Step-by-step explanation:

The number of bacteria $B$ in the sample triples every 10 days, this means after the first 10th day, the number of bacteria is

$B = B_0 *3,$

where $B_0$ is the initial number of bacteria in the sample.

After the 2nd 10th days, the number of bacteria is

$B = (B_0 *3)*3$

after the 3rd day,

$B =( B_0 *3*3)*3$

and so on.

Thus, the formula we get for the number of bacteria after the nth 10-days is

$B = B_0 (3)^n$

where $n$ is is the nth 10-days.

Since, $n$ is 10 days, we have

$d =10n$

$n =\dfrac{1}{10}$

Substituting that into $B = B_0 (3)^n$ , we get:

$\boxed{ B = B_0 (3)^{\frac{1}{10} d}}$

8 0

3 years ago

PLEASE HELP IMPORTANT MATH

aksik [14]

Answer:

The answer to your problem is b because if she wants to spend 20 minutes on the piano and she has 50 minutes until dinner than she would have 30 minutes on the computer.

Step-by-step explanation:

8 0

3 years ago

What is the corresponding growth decay factor of the given annual rate of +200%

Alina [70]

2000 should be it I'm pretty sure

4 0

3 years ago

Jack had 15 rosebushes he has the same number of yellow,red,and pink bushes,and 3 multicolored bushes find the number of yellow

Masteriza [31]

Answer:

4 yellow rosebushes

Step-by-step explanation:

Givens(What the question tells us):

m = 3(There are 3 multicolored bushes)

r + y + p = 15 - m( total red bushes plus total yellow bushes plus total pink bushes equals 15 - the amount of multicolored bushes)

r = y = p (total red bushes equals total yellow bushes which also equals total pink bushes)

Since we know m =3 we can substitute m for 3 in the second equation:

r + y + p = 15 - 3.

r + y + p = 12

Now since r, y, and p are equal we can divide the total amount left (12) by the 3 kinds of roses left to get our answer:

12/ 3 = 4 red, 4 yellow, and 4 pink

Since we are solving for the amount of yellow the answer is:

4 yellow rosebushes

5 0

3 years ago

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