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Ad libitum [116K]
2 years ago
8

Can someone help me with this?!

Mathematics
1 answer:
cupoosta [38]2 years ago
5 0
Sub in the numbers
2(5)^2 - 4(5) + 5
=50 - 20 + 5
=30 + 5
=35
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the big bag is 16 ounces and costs $4.32. The medium is 20 ounces and costs $2.60. The small bag is 6 ounces and costs $1.80
UkoKoshka [18]
What exactly is the question here?

The big bag is 16 ounces and $4.32
The medium is 20 ounces and $2.60
The small is 6 ounces and $1.80
8 0
3 years ago
The expression 2d gives the grade that a student receives for d correct answers. What is the score for 10 correct answers?
Alex17521 [72]
2 times 10 equals 20

8 0
3 years ago
Suppose an astronaut can jump vertically with an initial velocity of 5 m/s. The time that it takes him to touch the ground is gi
Vitek1552 [10]

Answer:

t=1.020s

Step-by-step explanation:

Given Equation:

5t-0.5at^{2} =0

Actually the given equation is the 2nd equation of motion

i.e. S =V_{i} t+0.5at^{2}

where S=0 because the astronaut jumps on the earth

and initial velocity V_{i}=5

to find time t, put the given value of a=9.8m/s^{2} in the given equation, we get

5t-0.5(9.8)t^{2} =0\\t(5-4.9t)=0\\ \ dividing\ both\ sides\ by\ t\ we \ get\\ 5-4.9t=0\\4.9t=5\\t=\frac{5}{4.9}\\ t=1.020s

it will take t=1.020s to reach the ground if he jumps on the Earth

3 0
3 years ago
Alexis loves to work out on the treadmill. On Monday, she ran 1.52 miles. On Tuesday she ran 0.75 miles. On Wednesday she ran 2.
poizon [28]

Answer:

1.08 Miles

How I Found The Answer:

2.65 + 1.52 + 0.75 = 4.92

6 - 4.92 = 1.08

I Said Alexis Wished To Have An Even Number So She Ran 1.08 Miles.

6 0
3 years ago
Two families are vacationing together, driving in separate cars. the harris family averages 45 mph, leaving hometown 6 minutes a
Kobotan [32]

Let x = amount of time the Arlen family must catch up to overtake the Harris family

In principle, the Harris and the Arlen family should cover the same distance. Since distance is speed x time,

45 (6+y) = 58y

270 + 45y = 58y

58y - 45y = 270

y = 270 ÷ 13

y= 20.77min

7 0
3 years ago
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