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3 years ago

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

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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

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Step-by-step explanation:

5000:100=50

50×7,3=365

365×20=7,300$

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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

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Answer:

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Answer:

$6250

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