Answer:
23
Step-by-step explanation:
tbh, i just guessed around the numbers until i got the right one xD
The second part of Rita's race is about 1800 meters at a speed of 150 meters per minute.
<h3>Speed</h3>
let
- distance covered in first Part = d1
- distance covered in second Part = d2
- distance covered in third Part = d3
- speed covered in first Part = s1
- speed covered in second Part = s2
- speed covered in third Part = s3
Distance in second Part:
d₃ = 15 x 300
= 4500 m
d₂ = 2/5 × d₃
= 2/5 x 4500
d₂ = 1800 meters
Speed in second part:
S₂ = 1800 m / 12 min
S₂ = 150 meters per minute
Learn more about distance:
brainly.com/question/4931057
#SPJ1
The value of h(6) of the given function is; h(6) = -7
<h3>Input value of functions</h3>
We are given the function;
h(x) = -x - 1
Now, want to find h(6)
To find h(6), all we need to do is to put 6 as the input value for x in the given function to get;
h(6) = -6 - 1
h(6) = -7
Read more about Input Value of Functions at; brainly.com/question/10283950
First change the mixed fraction to improper fraction, and then find common denominators.
5 1/2 = 11/2
4/9(2/2) = 8/18
11/2(9/9) = 99/18
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Next, subtract
99/18 - 8/18 = 91/18
91/18 = 5.05
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As you are finding the best estimate, 5.05 is closest to 5, which makes your answer D)
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hope this helps
Answer:
900 - 1= (31)(29)
Step-by-step explanation:
We need to factor 900 -1
We write each number in square form
900 can be written as 30^2
1 can be written as 1^2
Now we apply difference of square formula
a^2 - b^2 = (a+b)(a-b)
So 900 - 1= (31)(29)