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SVETLANKA909090 [29]
3 years ago
11

It cost $15 dollars to send 3 packages though a certain shipping company. Consider the number of packages per dollar. find the c

onstant of proportionality
answer choices
1/5
15/1
3/1
5/1​
Mathematics
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

5/1

Step-by-step explanation:

15/3=5=5/1

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The perimeter of a triangle is 34cm. What are the lengths of the sides if the first side is twice the length of the second side
dybincka [34]

Answer:

8sm, 16sm, 10sm

Step-by-step explanation:

the first side of the triangle: x

the other side of the triangle: 2x

the third side of the triangle: x+2

the perimeter of the triangle: x+2x+x+2=34

4x=32

x=8

2*8=16

8+2=10

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2 years ago
How do you find what x equals step by step?
Zielflug [23.3K]

Answer:

x=7.

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Solve F=D+Drt for t.....
Anuta_ua [19.1K]

Answer:

t = \frac{-D+F}{Dr}

Step-by-step explanation:

Step 1: Flip the equation.

  • Drt + D = F

Step 2: Subtract D from both sides.

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  • Drt = -D + F

Step 3: Divide both sides by Dr.

  • \frac{Drt}{Dr} = \frac{-D+F}{Dr}
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6 0
2 years ago
F(x) = 2x2 - 4x?; Find (-4)
anastassius [24]

Answer:

0 (zero)

Step-by-step explanation:

Plug in the variable for -4 and solve

y= 2(-4)2-4(-4)

y= -8(2)-4(-4)

y=-16+16

y=0

4 0
3 years ago
If an 11year old child needs to take 1/5 amount of medication per day to heal their head. If a baby has to take 1/5 as much to g
MatroZZZ [7]

Answer:

Step-by-step explanation:

the child takes 1/5.....the baby needs to take 1/5 of what the child takes

so 1/5 of 1/5....." of " in math, means multiply

1/5 * 1/5 = 1/25 of the amount <==

6 0
3 years ago
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