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SashulF [63]
3 years ago
11

Please help me with this. I need a maths genius See pic below. Thanks

Mathematics
1 answer:
adelina 88 [10]3 years ago
5 0

Answer:

a =15

b=70

c=400

d=1500

e=5300

Step-by-step explanation:

it will help u

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WORTH 30 POINTS!!!! HELP ASAP!!!!!<br><br> Find 121/2% of 720. Show work please.
DedPeter [7]
121/2 = 720/p
720*2= 121p
1440=121p
divide by 121 
=12% 
8 0
3 years ago
How many different lock combinations are possible on a bike lock with 4 rotating discs that go from 0-9
AlexFokin [52]
You would multiply 9x___ whatever the other number is witch is 4
3 0
3 years ago
Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz 10 points
Dafna1 [17]

Answer:

C≈18.85

Step-by-step explanation:

have a nice day!

3 0
2 years ago
What is the equation of this line?<br> Please Help <br><br> Y=4x<br> Y=-1/4x<br> Y=-4x<br> Y=1/4x
Sveta_85 [38]

Answer: Y=-1/4x

Step-by-step explanation:

A good way to find an equation of a line is to look for the slope. An obvious spot on this line would be when it crosses (0,0), and another one to the right would be when it crosses at (4,-1).

The slope is rise over run, or if we use the two points we found, "rise" would be -1, because it's dropping 1 unit when going from (0,0) to (4,-1), and the "run" would be 4, because it moves to the right 4 from (0,0) to (4,-1).

Putting these two values together we get:

m (slope) = rise / run

m = -1 / 4

Out of all the equations we're given, we can look for the one with a slope of -1/4, which is given to us:

y = (-1/4)x

7 0
3 years ago
Are these lines parallel perpendicular or neither
Natasha_Volkova [10]

Answer:

perpendicular

Step-by-step explanation:

start but putting each line into the standard line format

2x-y=-5

-y=-2x-5

y=2x+5

x+2y=-6

2y=-x-6

y=-(1/2)x-3

if lines are parallel the slopes would be the same. 2 is not equal to -1/2

if lines are perpendicular the slope of one would be the opposite inverse of the other.

negative inverse of 2 = - (1/2)

so the lines are perpendicular

8 0
3 years ago
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