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DanielleElmas [232]
4 years ago
8

At 6:00 pm the temperature was 55 at 11:00 pm that same evening the temperature was 40 what real number represents the average c

hange in temperature per hour
Mathematics
1 answer:
emmainna [20.7K]4 years ago
6 0
47.5 is the real number average.
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Find an equation of the straight line tangent, at the given point, to the level curve of the given function passing through that
Tcecarenko [31]
f(2,-1)=2^2-(-1)^2=3

so we're considering the level curve

x^2-y^2=3

The tangent line to this curve at (2, -1) will be the value of \dfrac{\mathrm dy}{\mathrm dx} at this point. Differentiating yields

2x-2y\dfrac{\mathrm dy}{\mathrm dx}=0\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac xy

and so the slope of the tangent would be \dfrac2{-1}=-2.

The tangent line then has equation

y-(-1)=-2(x-2)\implies y=-2x+3
8 0
4 years ago
Figure out the pattern, and write the next number.<br> 2,6,21,88
bija089 [108]
Answer:
a5=445

Explanation:
a of n=(a+1)*n
a1=2
I found the pattern to add 1 to the previous number and then multiply it by its number in the sequence. Apologies for the terrible format of my recursive formula.
Proof of pattern:
(2+1)*2=6
(6+1)*3=21
(21+1)*4=88
a5=(88+1)*5=445
6 0
3 years ago
Can someone help me with this question please :) <br> I’ll mark as brainliest.
zavuch27 [327]

\sqrt{84}

6 0
3 years ago
Solve the inequality k+8-2(k-12)&gt;0
Serggg [28]
I think it k < -32 pretty sure
7 0
4 years ago
Read 2 more answers
Simplify the following
ValentinkaMS [17]

Answer:

5

Step-by-step explanation:

Simplify

(5 1/3)^3=?

Solution:

Using Identity

(x^a)^b=x ^(a*b)

So in the given expression

x=5

a=1/3

b=3

Therefore,

(5 1/3)^3= 5 (1/3*3)= 5^1=5

Therefore,

(5 1/3)^3=5

7 0
3 years ago
Read 2 more answers
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