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Virty [35]
4 years ago
14

over the past five weeks, the average daily temperature in Wellington has dropped 40 degrees Fahrenheit. Write and evaluate ab e

xpression to show the average temperature change per week
Mathematics
1 answer:
Westkost [7]4 years ago
7 0
In five weeks, there are 35 days. So, the average drop in temperature per day is 40/35 = 8/7 degrees per week. Then in 1 week, 8/7 degrees per day * 7 days per week = 8 degrees per week.Therefore there are 8 degrees drop of temperature in 1 week.
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The formula M=log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensi
andriy [413]

Answer:

100

Step-by-step explanation:

M = log(I/S)

The intensity of the first earthquake:

8 = log(I₁/S)

10⁸ = I₁/S

I₁ = 10⁸ S

The intensity of the second earthquake:

6 = log(I₂/S)

10⁶ = I₂/S

I₂ = 10⁶ S

The ratio is:

I₁/I₂ = (10⁸ S) / (10⁶ S)

I₁/I₂ = 100

It is 100 times stronger.

3 0
3 years ago
Determine whether the relation is a function. (1-4), (2, 1), (3, 4), (3, 3). (4, 2)
dimaraw [331]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Round the number to the place of the underlined digit.<br><br> 4.327 (The underlined Digit is 3)
Genrish500 [490]

Answer:4.3

You round to the tenths place

5 0
3 years ago
Complete the square<br> to find the vertex<br> of this parabola. <br> y^2+6y+8x+1=0<br> ([?], [?])
Alinara [238K]

Answer:

(1,-3)

Step-by-step explanation:

<u>Complete the squares</u>

<u />y^2+6y+8x+1=0\\\\y^2+6y=-8x-1\\\\y^2+6y+9=-8x-1+9\\\\(y+3)^2=-8x+8\\\\(y+3)^2=-8(x-1)

We now compare to the equation (y-k)^2=2p(x-h) where (h,k) is the vertex of the parabola. Hence, the vertex of the parabola is (1,-3).

7 0
2 years ago
Find the 11th term of the geometric sequence 7, 35, 175,
HACTEHA [7]

Answer:

7*5^10=68,359,375

6 0
3 years ago
Read 2 more answers
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