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Lera25 [3.4K]
3 years ago
8

Can someone help please I’m having trouble with this and I have a test

Mathematics
1 answer:
BigorU [14]3 years ago
8 0

Answer:

x ≈ 36 feet

Step-by-step explanation:

we can use cosine (adjacent side / hypotenuse)to solve this question:

cos 77° = 8 / x

x = 8 / cos 77°

x = 35.5632...

x ≈ 36 feet

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In right triangle ABC, m angle C equals 90 degree. If sin A equals 24 over 25, which function also equals 24 over 25?
Free_Kalibri [48]

Answer:

cos B

Step-by-step explanation:

Let us take a look at angle B

The side adjacent angle B is 24 while the hypotenuse (the side facing the right angle) is 25

The relationship between the adjacent and the hypotenuse can be mapped our using the cosine

So, the cosine is the ratio between the adjacent and the hypotenuse

Hence, cos B = 24/25

7 0
4 years ago
Find the domain of the function f(t)=√t +3√t
Serjik [45]

Answer:

\mathrm{Domain\:of\:}\:4\sqrt{t}\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:t\ge \:0\:\\ \:\mathrm{Interval\:Notation:}&\:[0,\:\infty \:)\end{bmatrix}

The graph is also attached below.

Step-by-step explanation:

Given the expression

f\left(t\right)=\sqrt{t}\:+3\sqrt{t}

We know that the domain of a function is the set of inputs or argument values for which the function is real and defined.

We know that we can not have a negative value of 't' inside the radicals because if we put any negative number inside the radical expression, it would make the function undefined.

In other words,  the value of t ≥ 0.

Therefore, the function domain is:

\mathrm{Domain\:of\:}\:4\sqrt{t}\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:t\ge \:0\:\\ \:\mathrm{Interval\:Notation:}&\:[0,\:\infty \:)\end{bmatrix}

The graph is also attached below.

7 0
3 years ago
Which statement describes the total amount a rewards customer pays for 10 ounces and 12 ounces of yogurt?
romanna [79]

Answer:

can you put the statement

3 0
3 years ago
The table shows data gathered by an environmental agency about the decreasing depth of a lake during the first few months of a d
Elanso [62]
(0,346)(2,344.8)
slope = (344.8 - 346) / (2 - 0) = -1.2 / 2 = -0.6

y = mx + b
slope(m) = -0.6
(0,346)...x = 0 and y = 346
now we sub and find b, the y int
346 = -0.6(0) + b
346 = b
so ur equation is : y = -0.6x + 346....with x being the number of weeks

after 4 weeks...
y = -0.6(4) + 346
y = - 2.4 + 346
y = 343.6 <==== after 4 weeks

after 9 weeks..
y = -0.6(9) + 346
y = -5.4 + 346
y = 340.6 <=== after 9 weeks

7 0
4 years ago
The list below shows the different choices of pizza
Veronika [31]

Answer:

16 or 17 percent.

Step-by-step explanation:

6 out of 20 is 30% 30% of 180 is .166666667

8 0
3 years ago
Read 2 more answers
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