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shtirl [24]
3 years ago
12

Please help me understand this math.

Mathematics
1 answer:
Lina20 [59]3 years ago
7 0

Answer:

y ≤ 3x − 1

Step-by-step explanation:

The line has a y-intercept of -1 and a slope of 3.

The shaded area is below the line, so we use < or ≤.

The line is solid, not dashed, so we use ≤.

y ≤ 3x − 1

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Can someone pls find the answer ASAP!!!!
Cerrena [4.2K]
It should be y=x Good luck!
7 0
3 years ago
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Jane and her friends were selling cookies. They sold 4 more boxes the second week than they did the first. On the third week, th
algol13

Step-by-step explanation:

let the number of cookies sold on first week be=x

let the number of cookies sold on second week be= x+4

let the number of cookies sold on third week be= (x+4)×2

total number of cookies sold = 351

now 351=(x)+(x+4)+(x+4)×2

351=3x+(4+4×2)

351=3x+12

3x=351-12

3x=339

x=339÷3

x=11

Cookies sold on first week=113

Cookies sold on second week= 113+4= 117

Cookies sold on third week =113+4×2 = 113+8=121

now add all the number of cookies solved for confirmation
=113+ 117+ 121= 351
8 0
3 years ago
Read 2 more answers
If the diameter of a hockey rink is 250 ft what is the surface area of the sphere?
Lady bird [3.3K]

Answer:

62,500 pi

Step-by-step explanation:

diameter = radius + radius

d = 2r

r = d/2

A = 4pi r^2

= 4 pi (d/2)^2

= 4pi d^2/4

= 4pi* 250^2/4

= 4pi * 62,500/4

= 4pi * 15625

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7 0
3 years ago
Someone please.. help me in this please I don’t want to fail it..please
igomit [66]

Answer:

So it wants you to first find the mean (average) of the data set, then find the distance everything is from the mean (average).

Step-by-step explanation:

3+5+9+14+16+18= 65

65 divided by the amount of numbers you put in (6) = 10.83 rounded to the nearest hundreth

So now we know the mean (average) now we need to see how far away each number is from the mean (average).10.83-3 is 7.83. 10.83-5 is 5.83. 10.83-9 is 1.83. 10.83-14 is -14.17, but -14.17 would be a normal 14.17 because it wants the absolute value. 10.3-16 is -5.17 (of course keep it as a positive), and finally 10.83-18 is -7.17 as a positive. Now for the mean absolute value of the data they likely mean from 0, so it would be 10.83.

Hope it helped and wasn't too confusing :)

7 0
3 years ago
Last week Andrew bought 3 lbs. of zucchini and 2 lbs. of tomatoes for $7.05 at a farm stand. This week he bought 4 lbs. of zucch
olga nikolaevna [1]
3x+2y=7.05\\4x+3y=9.83\\x+y=2.78

$2.78
3 0
3 years ago
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