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hichkok12 [17]
3 years ago
14

Hi! Could someone check this questions for me and if I have anything wrong tell what I have wrong please? That would be highly a

ppreciated!!

Mathematics
2 answers:
abruzzese [7]3 years ago
6 0

Answer:

Step-by-step explanation:

The 3rd page both are wrong the correct answers are 6 degrees C and Ice would form on the top of the lake like it does now.

The 4th page the bottom one is wrong the correct answer is -22.

rjkz [21]3 years ago
4 0

Answer:

Both are correct

I'm only checking the first page

Step-by-step explanation:

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Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. x = cos(θ) + sin(10
vivado [14]

Answer:

Step-by-step explanation:

x = cos θ + sin(10θ)

y = sin θ + cos(10θ)

Take derivative with respect to θ:

dx/dθ = -sin θ + 10 cos(10θ)

dy/dθ = cos θ - 10 sin(10θ)

Divide:

dy/dx = (dy/dθ) / (dx/dθ)

dy/dx = (cos θ - 10 sin(10θ)) / (-sin θ + 10 cos(10θ))

Evaluate the derivative at θ=0:

dy/dx = (cos 0 - 10 sin 0) / (-sin 0 + 10 cos 0)

dy/dx = 1/10

Evaluate the parametric functions at θ=0:

x = cos 0 + sin 0 = 1

y = sin 0 + cos 0 = 1

Writing the equation of the tangent line in point-slope form:

y - 1 = 1/10 (x - 1)

6 0
3 years ago
Darcy gave her hairstylist a $ 4.90 The tip was 14​% of the cost of the haircut . Write an equation to find​ b, the cost of the
melamori03 [73]

Answer:

Equation: 4.90/b = 14/100

Solution: b = $35

Step-by-step explanation:

Variable b = cost of the haircut

Solve for b:

4.90/b = 14/100

490 = 14b

35 = b

Check your work:

35 × 0.14 = 4.90

Correct!

8 0
3 years ago
a local book drive bought in 352 books that will be divided equally among 8 schools. how many books will each school get?
Doss [256]
Each school will get 44 books each.
8 0
3 years ago
Read 2 more answers
Please help ASAP thank you
Zina [86]

Step-by-step explanation:

step 1. 15^18/15^3

step 2. 15^18*15^-3

step 3. 15^(18 - 3)

step 4. 15^15

5 0
2 years ago
7/8=21/n plz this is due tomorrow
crimeas [40]
The answer is n=24 because 7x3=21 8x3=24
7 0
2 years ago
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