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4vir4ik [10]
3 years ago
13

I need help with this

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0
I cannot see your choices but I believe the inequality would look something like 
16x = 80 with x representing the number of hats he can buy and to solve you would just divide each side by 16 and it would give you the answer x = 5 meaning he can buy 5 hats
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If 2x + 5y = 21 and x + y = 3, then what is the solution
Viefleur [7K]
2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2

8 0
2 years ago
A circular garden has a circumference of 63 yards. Lars is digging a straight line along a diameter of the garden at a rate of 5
Harrizon [31]

Answer:

4 hours

Step-by-step explanation:

If the circumference of the circular garden =63 yards

Circumference of a Circle =2πr=πd (d=diameter)

Therefore:

πd= 63

diameter of the circular garden =63/3.14=20 yards

If he digs at a rate of 5 yards per hour, the time required to dig across the garden will be:

20 yards/5 yard per hours = 4 hours

It will take him 4 hours to dig across the circular garden.

6 0
3 years ago
A function f on [a, b] is called a step function if there exists a partition P = {a = u0 < u1 < ··· < cm = b} of [a, b]
Arturiano [62]

Answer:

IDK

Step-by-step explanation:

3 0
3 years ago
Can anyone help meeee!
KIM [24]

y = -2/3x -3

x=0 y=-3  point (0,-3)  over 0 down 3

x=3  y=-2/3(3) -3 =-2-3 =-5   (3,-5)  go to the right 3 down 5

3 0
3 years ago
What is the missing value; 9 to 7 = 45 to _____
ser-zykov [4K]

Answer:

9 to 7 = 45 to 35..

Step-by-step explanation:

Given function:

  • 9 to 7 = 45 to x

<u><em>to find x:</em></u>

  • divide 45 by 9
  • 45*9=5
  • if 9·5=45 then x would be 7·5..
  • 7·5=35

Therefore, x=35.

3 0
3 years ago
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