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ira [324]
3 years ago
6

In the figure, angle D measures 31° and angle A measures 27°.

Mathematics
2 answers:
OverLord2011 [107]3 years ago
8 0
Angle b is 63
Angle f is 59
lubasha [3.4K]3 years ago
4 0
In the angle name, it'd be in Acute.
But for degrees, it'd be at 58*, because I saw that the A and D angles were 31, and 27, so I got 58.
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A culture of bacteria has an initial population of 650 bacteria and doubles every 9 hours. Using the formula Pt=P0⋅2tdP_t = P_0\
Ghella [55]
So is doubling, first off, meaning, if the current amount say P, then when it doubles is 2P, or double that, or P + P, so the rate of growth is 100%, since it's doubling.

and is doing it every 9 hour cycle, thus

\bf \textit{Periodic/Cyclical Exponential Growth}\\\\
A=P(1 + r)^{\frac{t}{c}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &650\\
r=rate\to 100\%\to \frac{100}{100}\to &1.00\\
t=\textit{elapsed time}\to &10\\
c=period\to &9
\end{cases}
\\\\\\
A=650(1 + 1)^{\frac{10}{9}}\implies A=650(2)^{\frac{10}{9}}\implies A=650\sqrt[9]{2^{10}}
4 0
3 years ago
PLS HELP I HAVE 4 HOURS
Alenkasestr [34]

Answer: Reflection

Step-by-step explanation:

7 0
3 years ago
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Can someone help me with this question please! I have nooo idea how to complete it!
natulia [17]

Answer:

y = 3\sqrt{2} + 4

Step-by-step explanation:

Create 2 equations using values from the table to find a and b.

Using (0, 10), then

10 = acos0° + b ( cos0° = 1 ), thus

a + b = 10 → (1)

Using (90, 4), then

4 = acos90° + b ( cos90° = 0 ), thus

b = 4

Substitute b = 4 into (1)

a + 4 = 10 ( subtract 4 from both sides )

a = 6

Thus

y = 6cosx° + 4

When x = 45°, then

y = 6cos45° + 4 = 6 × \frac{\sqrt{2} }{2} + 4 = 3\sqrt{2} + 4

6 0
3 years ago
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I need help please ​
Korolek [52]

Answer:

it's obtUsE

Step-by-step explanation:

yes obtuse

3 0
3 years ago
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Which value of x is in the domain of f(t) = squared x - 7
zloy xaker [14]

Given:

The given function is:

f(x)=\sqrt{x-7}

To find:

The value of x that is in the domain.

Solution:

Domain is the set of input values.

We have,

f(x)=\sqrt{x-7}

We know that the square root is defined for non negative values. So,

x-7\geq 0

x\geq 0+7

x\geq 7

Thus, the domain of the given function is all real number that are greater than or equal to 7.

In the given options 0, -3, 6 are less than 7 but 8 in option A is the only value that is greater than 7. So, x=8 is in the domain of the given function.

Therefore, the correct option is A.

8 0
3 years ago
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