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Ludmilka [50]
3 years ago
8

PLEASE HELP!! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
hjlf3 years ago
4 0

\text{Look at the picture}

\text{The slope:}\ m=\dfrac{\Delta y}{\Delta x}\\\\\Delta y=3,\ \Delta x=1\\\\m=\dfrac{3}{1}=3

\text{The point-slope formula:}\ y-y_1=m(x-x_1)

(1,\ 5)\to x_1=1,\ y_1=5\\\\y-5=3(x-1)\to\boxed{Answer:\ 4.}

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Can anyone explain how to do this? The answer isn't as important as the explanation. My teacher gave us a video w/o an example l
solong [7]

Answer:

x = 182.53

Step-by-step explanation:

Use trigonometric ratios to find the whole side length (a) adjacent to 20° and the side length (b) adjacent to 57° respectively. Then find the difference. That would give you the value of x. That is: a - b = x

Let's solve.

✍️Finding the whole side length adjacent to 20°:

Opp = 87

Adjacent length = ? = a

\theta = 20

Thus,

tan(\theta) = \frac{opposite}{adjacent}

Plug in the values

tan(20) = \frac{87}{a}

Multiply both sides by a

tan(20) \times a = \frac{87}{a} \times a

tan(20) \times a = 87

Divide both sides by tan(20)

\frac{tan(20) \times a}{tan(20)} = \frac{87}{tan(20)}

a = \frac{87}{tan(20)}

a = 239.03

Finding the side length adjacent to 57°:

Opp = 87

Adjacent length = ? = b

\theta = 57

Thus,

tan(\theta) = \frac{opposite}{adjacent}

Plug in the values

tan(57) = \frac{87}{b}

Multiply both sides by b

tan(57) \times b = \frac{87}{b} \times b

tan(57) \times b = 87

Divide both sides by tan(57)

\frac{tan(57) \times b}{tan(57)} = \frac{87}{tan(57)}

b = \frac{87}{tan(57)}

b = 56.50

Therefore:

x = a - b

x = 239.03 - 56.50

x = 182.53

4 0
3 years ago
I think I got this for the most part just need to be surs
defon

Answer:

a) 37.33 tons

b) 96 tons

c) Week 2

Step-by-step explanation:

a) 40+40+32=112÷3=37.33 tons

b) 32+40+24=96 tons

c) Week 2

6 0
3 years ago
A newborn child receives a $5000 gift toward a college education from her grandparents. How much will the $5000 be worth in 20 y
igomit [66]

Step-by-step explanation:

5000:100=50

50×7,3=365

365×20=7,300$

3 0
3 years ago
There are 16 students in a class with wooden pencils. There are 20 students in a class with mechanical pencils. If a school has
svet-max [94.6K]

Answer:

maybe 100 cheak it please

5 0
2 years ago
Read 2 more answers
I wish to have $10,000 at the end of 8 years in a bank offering a simple interest rate of 7.5% per year. How much should I depos
cluponka [151]

Answer:

$6250

Step-by-step explanation:

6250x.075x8=3750

6250+3750=10,000

7 0
2 years ago
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