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scZoUnD [109]
3 years ago
15

Sine 77 degrees = 200 ft./ x a. .974 ft. b. 974 ft. c. 194.8 ft. d. 205.3388 ft.

Mathematics
1 answer:
Nikolay [14]3 years ago
8 0
Its C. im pretty sure
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Write the standard form of the equation of the line that passes through (-2, -3) and (2,-5).
Naily [24]

Answer:

y= -1/2x-4

Step-by-step explanation:

By standard form, I'm assuming you mean slope-intercept form, which is y=mx+b. First, we need to find m, or the slope. To do this, we need to plug it into this equation: m= y2-y1/x2-x1. We can rewrite this with our two points, so we make it into m= -5+3/2+2. I did plus signs because if you subtract a negative number from a number, it has the same effect as addition does. Now, we have m= -2/4, which we can simplify to -1/2. Now, we have y=-1/2x+?. Now, let's plug in the numbers in slope-intercept form. I'll choose the ordered pair (-2, -3) for this example. Now that I've plugged the numbers in y=mx+b form (slope-intercept form), we have -3=(-1/2⋅-2)+b. Now, we solve it. First, we do the problem in the parenthesis, from that, we get 1. Now, we have -3=1+b, let's subtract 1 from both sides. Now, we have -4=b. That means our y-intercept is -4. Let's plug this back in the equation. We get y=-1/2x-4. I hope this helps!

5 0
3 years ago
An owl begins at rest on a tree branch searching for prey. Once the owl locates the prey it flies from its perch and four second
aleksklad [387]
Answer: 1.4 m/s

Explanation: the acceleration equation is a = change in velocity/change in time.

Plug the values in and you get 5.6/4

Divide and get 1.4 m/s
6 0
3 years ago
Using integers what is this answer 7-(-5)
ICE Princess25 [194]
7-(-7)=7+7=14. So the answer is 14
5 0
3 years ago
RCX)=2VX SCx) = x(RSX4=
aev [14]

Given the two functions:

\begin{gathered} R(x)=2\sqrt[]{x} \\ S(x)=\sqrt[]{x} \end{gathered}

We need to find (RoS)(4). THis is the functional composition. We take S(x) and put it into R(x) and then put "4" into that composed function. Shown below is the process:

(RoS)(x)=2\sqrt[]{\sqrt[]{x}}

When we plug in "4", into "x", we have:

\begin{gathered} (RoS)(x)=2\sqrt[]{\sqrt[]{x}} \\ (RoS)(4)=2\sqrt[]{\sqrt[]{4}} \\ =2\sqrt[]{2} \end{gathered}

3 0
1 year ago
If 8 g of a radioactive substance are present initially and 2 yr later only 4 g remain, how much of the substance will be presen
My name is Ann [436]

Answer:

none

Step-by-step explanation:

8-4=4

if every 2 years, 4 gallons disappear

then every 1 year, 2 gallons disappear

meaning that by 5 years there will be no substance left.

(5*2=10)

7 0
2 years ago
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