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amm1812
3 years ago
6

Please help i don't understand ​

Mathematics
1 answer:
dalvyx [7]3 years ago
5 0
C is about 55 a is about 95. Step by step explanation:
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If y varies inversely with the square of x, and y=6 when x=4, find y when x=0.1
sergejj [24]

Answer:

9600

Step-by-step explanation:

y varies inversely with the square of x

y=k/(x^2)

for some non-zero constant k

y=6 when x=4

6=k/(4^2)

k=96

y=96/(x^2)

x=0.1

y=96/(0.1^2)

y=9600

8 0
2 years ago
sammy's bicycle and tricycles. clarence went to Sammy's and counted 37 sets of handlebars and 95 wheels. How many bicycles and t
Trava [24]

Answer:

16 bicycles and 21 tricycles

Step-by-step explanation:

Both bicycles and tricycles have 1 set of handlebars. Bicycles have 2 wheels while tricycles have 3.

Using this information, set up a system of equations, where b is the number of bicycles and t is the number of tricycles:

b + t = 37

2b + 3t = 95

Solve by elimination by multiplying the top equation by -2:

-2b - 2t = -74

2b + 3t = 95

t = 21

Then, plug in 21 as t into one of the equations:

b + t = 37

b + 21 = 37

b = 16

So, there are 16 bicycles and 21 tricycles

4 0
3 years ago
Greg and Heather each opened a savings account today. Greg opened his account with a starting amount of $330, and he is going to
cluponka [151]

Set up two equations:

Greg = 330 + 75X

Heather = 660 + 45x

Set them to equal and solve for x:

330 + 75x = 660 + 45x

Subtract 330 from both sides:

75x = 330 + 45x

Subtract 45x from both sides:

30x = 330

Divide both sides by 30:

x = 330 / 30

X = 11

11 months they will have the same amount saved.

6 0
2 years ago
Four different lines are drawn on a coordinate plane. The lines all pass through the origin each each line passes through one po
Cloud [144]

Answer:

it's C

Step-by-step explanation:

5 0
3 years ago
Please help me with this question
ElenaW [278]

Answer:

y = 1/2x - 2

Step-by-step explanation:

use formula y = mx + c

m = gradient

c = y intercept

5 0
2 years ago
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