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alina1380 [7]
2 years ago
15

Could someone help

Mathematics
2 answers:
zhenek [66]2 years ago
7 0
Answer: 3v^2w^2 + 10v^2w^3 (or the first option on the screen)
kondaur [170]2 years ago
6 0
The first one is right 3v^2 w^2 +10v^2 w^3
You might be interested in
You are moving the robot to your classroom, which measures 30 feet by 40 feet.
AlladinOne [14]

Answer:

1) See figure attached

2)

a) d = \sqrt{(x_2 -x_1)^2 +(y_2 -y_1)^2}

And if we replace we got:

d = \sqrt{(10 -6)^2 +(15 -9)^2}= 7.211

b) V = \frac{d}{t}

And if we replace we got:

V = \frac{7.211 ft}{2 sec}=3.606 s

Step-by-step explanation:

Part 1

We can see the plot in the figure attached.

Part 2

a)

For this case we have two points (x_1 , y_1) = (6,9) , (x_2 , y_2) = (10,15)

And we want to find the distance travelled between these two points and we can use the following formula from the euclidian distance between two points:

d = \sqrt{(x_2 -x_1)^2 +(y_2 -y_1)^2}

And if we replace we got:

d = \sqrt{(10 -6)^2 +(15 -9)^2}= 7.211

b)

Since it takes two seconds in order to go from (6.9) to (10,15) we can use the definition of velocity:

V = \frac{d}{t}

And if we replace we got:

V = \frac{7.211 ft}{2 sec}=3.606 s

6 0
3 years ago
Tom is 4 more than twice Andrews age. Sara is 8 less than 5 times Andrews age. If Tom and Sara are twins, how old is Andrew? Sho
horsena [70]
T = 4 + 2A
S = 5A - 8
T = S
Since T and S are equal, set them against each other
2A + 4 = 5A - 8
Subtract 2A from each side, and add 8 to each side
12 = 3A
Divide each side by 3
A = 4
So Andrew is 4 years old
If Andrew is 4, then Tom is twice that plus 4, or 12. Sarah is 5 times 4 less 8, or 12. 
3 0
2 years ago
Ten friends went out to dinner. two friends each paid $12 for dinner, three friends each paid $13 for dinner, and five friends e
NeX [460]
$12 + $12 + $13 + $13 + $13 + $17 + $17 + $17 + $17 + $17 = 148

148 ÷ 10 = 14.8

$14.80 is the median amount the ten friends had to pay.
7 0
3 years ago
there are 1024 players in a tennis tournament in each round half of the players are eliminated which function can be used to fin
jonny [76]

Answer: f(x) = 1,024(0.50)^x

Step-by-step explanation:

Hi, to answer this question we have to apply a decreasing rate formula:

f(x)= P (1 - r) ^x

Where:  

p = original number of players

r = decreasing rate (decimal form, since half of the players are eliminated the percent decrease is 50%)

x = rounds  

f(x) = number of players after x rounds

Replacing with the values given:

f(x) = 1,024(1-50/100)^x

f(x) = 1,024(1-0.5)^x

f(x) = 1,024(0.5)^x

7 0
2 years ago
Simplify
uysha [10]
I got number 1,2,3 only

4 0
3 years ago
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