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hodyreva [135]
2 years ago
5

Please help with this question (with explanation) thanks!​

Mathematics
1 answer:
skad [1K]2 years ago
7 0
The reaction times form a straight line with gradient of 60/140 = 3/7 m/kph
Reaction time at 130 kph = 3/7 x 130 = 390/7 = 56 m to nearest whole number
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HELP PLEASE FOR BRAINLEIST ​
strojnjashka [21]

Answer:

First one is c because 3 1/2 - 1/2=3

Second one is also c because 0.9x2=1.8

And third one c is because 2 2/3:3/1=1 1/8

5 0
3 years ago
A rectangle with a length of x + 5 has a perimeter of 4x + 14.
geniusboy [140]

Answer:

hope this helps you

8 0
3 years ago
A certain city in Washington has a population of 46,400 people.
jeka94

Step-by-step explanation:

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5 0
2 years ago
What is the recursive rule for this geometric sequence? 2,1/2,1/8,1/32
Lapatulllka [165]
For the given sequence, we can note that:
when we multiply a previous term by 1/4, we get the next term where:
2 * 1/4 = 1/2
1/2 * 1/4 = 1/8
1/8 * 1/4 = 1/32

Therefore, we can say that our sequencer here (r) is equal to 1/4

The general formula to represent this sequence is:
an = a1 * r^(n-1) where :
an represent the nth term that we want to find
a1 represents the first term in the sequence = 2
r is the sequencer = 1/4
n represents the order of the term in the sequence

Based on the above, the equation will be:
an = 2 * (1/4)^(n-1)
5 0
3 years ago
Read 2 more answers
Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). a professor is
coldgirl [10]

The equation s(n) = 20.bn is an exponential equation, and the hourly percent growth rate of the bacteria would be 85%.

<h3>How to determine the hourly percent growth rate?</h3>

The value of b is given as:

b = 1.85%

Let the hourly percent growth rate of the bacteria be r.

So, we have:

b = 1 + r

Substitute b = 1.85%

1.85 = 1 + r

Subtract 1 from both sides

r = 0.85

Express as percentage

r = 85%

Hence, the hourly percent growth rate of the bacteria would be 85%.

Read more about exponential equations at:

brainly.com/question/11832081

#SPJ4

5 0
3 years ago
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