Answer:
he travels 249 miles on saturday
Step-by-step explanation:
<u> 62.25 </u> <u> x</u>
1 = 4
you must multiple the distance travled in one hour by the number of hours of driving. In this case 4. This is if he did not change speeds ;)
4 x 62.25 = 249 miles
Hope this helps :) Please mark brainliest if you see fit :)
Answer:
D. 130 feet
Step-by-step explanation:
<u>Data</u>
- The area of a circular garden is 4,225 π square feet
The area of a circle is computed as follows:
Area of a circle = π*D²/4
where D refers to the diameter
Replacing with data:
4,225 π = π*D²/4
4,225 π/π *4 = D²
√16900 = D
130 ft = D
1) We can determine by the table of values whether a function is a quadratic one by considering this example:
x | y 1st difference 2nd difference
0 0 3 -0 = 3 7-3 = 4
1 3 10 -3 = 7 11 -7 = 4
2 10 21 -10 =11 15 -11 = 4
3 21 36-21 = 15 19-5 = 4
4 36 55-36= 19
5 55
2) Let's subtract the values of y this way:
3 -0 = 3
10 -3 = 7
21 -10 = 11
36 -21 = 15
55 -36 = 19
Now let's subtract the differences we've just found:
7 -3 = 4
11-7 = 4
15-11 = 4
19-15 = 4
So, if the "second difference" is constant (same result) then it means we have a quadratic function just by analyzing the table.
3) Hence, we can determine if this is a quadratic relation calculating the second difference of the y-values if the second difference yields the same value. The graph must be a parabola and the highest coefficient must be 2
We can’t see
There is nothing attached
<u>Solution</u><u>:</u> 9:x = x:4
⇛9/x = x/4
By doing cross multiplication, we get
⇛9(4) = x(x)
⇛36 = x²
⇛x² = 36
⇛x = √(36)
⇛x = √(6*6)
∴ x = 6 Ans.
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