Answer: her speed on the bicycle is 8 mph
Step-by-step explanation:
Let x represent the speed at which she walks. If she rides 6 mph faster than she can walk, then the speed at which she rides is (x + 6) mph
Distance = speed × time
Eli walk from her house to a friends house in one hour. This means that the distance covered is 1 × x = x miles.
Distance on her bicycle in 15 minutes. Converting 15 minutes to hours, it becomes 15/60 = 0.25 hour. Distance covered while riding is 0.25(x + 6) = 0.25x + 1.5
Since the distance is the same,then
x = 0.25x + 1.5
x - 0.25x = 1.5
0.75x = 1.5
x = 1.5/0.75
x = 2
her speed on the bicycle is
x + 6 = 2 + 6 = 8 mph
Good morning ☕️
Answer:
-5x(x + 2)
Step-by-step explanation:
the key is factoring:
-5x² - 10x = -5x × (x) - 5x × (2) {here we notice that -5x is a common factor}
= -5x(x + 2)
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Answer:
hope this helps you
Prime
a(5a + b)
b(5a2)
ab(5a + 1)
Answer:
Option A: Prime
Step-by-step explanation:
Answer:
√3, and -√3
Step-by-step explanation:
to find the zeros or roots of the polinomial x²-3 make it equal to zero and solve for x
x²-3=0 add 3 to both sides to isolate x
x² = 3 squareroot both sides
√x²= √3
x= ±√3 are the two zeros
Part 1 - A) Linear Function
Part 2 - Explain your Reasoning:
B) Exponential Function
Answer:
Step-by-step explanation:
y = total height after x days
x = total of days
since the rasio of difference in y (Δy) and difference in x (Δx) is constant, therefore it is applicable to linear function
Answer:
1)
where,
2) The initial length of sunflower is 150 cm and it grows about 0.25 cm per day. It means it has grown 0.25 cm on the first day, then 0.25 × 2 = 0.5 cm on the second day, 0.25 × 3 = 0.75 cm on the third day and so on.. The total increase = 0.25 × n where n is the number of days. Now add the increase to the initial length of the sunflower to get the final length of the sunflower
What is the area, in sq-in, of the circle? * IS
(1 Point)
10T
4011
201
100TE
Answer:
100π square inches
Step-by-step explanation:
The area of a circle is given by ...
A = πr^2
where r is the radius. The radius of a circle is half the diameter, so your circle with 20 inch diameter has a radius of 10 inches. Putting that value into the formula gives an area of ...
A = π·(10 in)^2 = 100π in^2
The area is 100π square inches.