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Bingel [31]
3 years ago
15

Carina rode her exercise bike 30 minutes on Monday, 45 minutes on Tuesday, 30 minutes on Wednesday, 60 minutes on Thursday, and

50 minutes on Friday. Find the mean amount of time that Carina rode her bike in these 5 days. Can someone please help me? I am in urgent need of help!
Mathematics
1 answer:
padilas [110]3 years ago
5 0
I am pretty sure the correct solution would be 43.
You would add all the times: 30+45+30+60+50=215
And then you would divide that number by the amount of values: 215/5
This would give you the answer which is 43. Hope this helps!
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Which equation could be solved using the graph above?
Oduvanchick [21]

Answer:

Option b is the correct answer

Step-by-step explanation:

The graph in the picture is the graph of a quadratic equation and it takes the shape of a parabola.

The points on the x axis through which the parabola cuts across is used to determine the solution of the quadratic equation.

Looking at the parabola formed from the plotted points, it cuts the x axis at

x = -1 and x= -2

These are the factors of the equation. To get the equation, we multiply the factors.

x= -1, x +1 = 0

x =-2 , x + 2= 0

The equation is (x+1)(x+2)

Expanding the brackets,

x×x + x×2 +1×x + 1×2

= x^2 + 2x + x +2

= x^2 + 3x +2 = 0

Option b is the correct answer

6 0
3 years ago
What is the measurement of each side of the perimeter is 94?
sveticcg [70]
2a+1 + 3a+2 +5a-9 you would start by combining like terms
2a+3a+5a= 10a
1+2-9= -6
10a-6=94
then subtract 94-6=88
then divide 88 by 10= 8.8
a=8.8
8 0
3 years ago
Fiona deposits $4,000 at the end of each year in an account earning 2.15% interest, compounded annually. What is the future valu
7nadin3 [17]
The formula of the future value of annuity ordinary
Fv=pmt [(1+r)^(n)-1)÷r]
Fv future value
Pmt payment per year 4000
R interest rate 0.0215
N time 5 years

Fv=4,000×(((1+0.0215)^(5)−1)÷(0.0215))
fv=20,878.69
7 0
3 years ago
A section in a stained glass window is shaped like a trapezoid. The top base is 2 centimeters and the bottom base is 4.5 centime
Elza [17]

Answer:

2.8 cm

Step-by-step explanation:

The area of a trapezoid is calculated using the formula:

A=\frac{(B+b)h}{2}

where

B is the length of the major base

b is the length of the minor base

h is the height of the trapezoid

In this problem, the glass window has the shape of a trapezoid. We know that:

B = 2 cm is the length of the top base

b = 4.5 cm is the length of the bottom base

A=9.1 cm^2 is the area of the trapezoid

Solving for h, we can find the height of the stained glass window:

h=\frac{2A}{B+b}=\frac{2(9.1)}{2+4.5}=2.8 cm

8 0
3 years ago
The kindergarten class at Stokes Elementary drinks about 210 pints of milk per week. About how many gallons of milk does the cla
soldier1979 [14.2K]
About 262.5 gallons of milk
4 0
2 years ago
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