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Alecsey [184]
2 years ago
11

how many more times intense is an earthquake that measures 8 on the Ritcher scale when an earthquake that measures 5?

Mathematics
1 answer:
natta225 [31]2 years ago
6 0

Answer:

1000

Step-by-step explanation:

Since the Richter Scale is based off of an exponential equation, every point on the scale adds a magnitude of 10.

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The product of 7 and j is 91. What is j?
dangina [55]

Answer:

13

Step-by-step explanation:

7j = 91

Dividing both sides by 7, we have

j = 13

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1 year ago
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Anna [14]

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2 years ago
A line has a slope of -1 and includes the points 0,-1 t,-8 what is the value of t
erastovalidia [21]
So we will begin with the equation for any slope
it is
(y2 - y1)/(x2 - x1)
and we will put each given point in its place
(-8-(-1)) / (t -(0))
then sum up the nominator
-1 = (-7) / t -0
and to find t we have to divide -7 over -1 and add -0 which will give us 7
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5 0
2 years ago
(7^4)(7^2) = A) 7^6 B) 7^8 C) 14^6 D) 14^8
jonny [76]

Answer:

A

Step-by-step explanation:

using the rule of exponents

• a^{m} × a^{n} ⇔ a^{(m+n)}, hence

7^{4} × 7² = 7^{(4+2)} = 7^{6}


4 0
2 years ago
A train leaves at 15.42 and arrives at its destination at 16.56.
Tasya [4]

Answer:

90/1.5=60 mph

Step-by-step explanation:

I assume that the train is traveling at constant speed.

Between 12:45 pm and 2:15 pm the train has traveled 180-90=90 miles. So 90 miles in 1.5 hours which means that its speed is 90/1.5=60 mph

5 0
3 years ago
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