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vitfil [10]
3 years ago
10

Mackenzie needs to determine whether the rectangles are proportional. Which process could she use? Check all that apply.

Mathematics
2 answers:
Zepler [3.9K]3 years ago
7 0

Answer:

Its A and C

Step-by-step explanation:

correct

il63 [147K]3 years ago
3 0

Answer: Its A and C for Ed 2020 took the test this is correct

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Using graph paper determine the line described by the given point and slope (0,0) and -2/3
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your graph is gonna have a horizontal line crossing the y axis at (0,3)


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Determine the slope of the line that contains the given points.
nydimaria [60]

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slope = 2/3

Step-by-step explanation:

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Glacier is moving at a rate of 0.3 inches every hour. The table below represents this relationship.Glacial Movement
Arturiano [62]
1.2 Inches, It moves 0.3 inches in 1 hour so if in 1 hour it moves 0.3 and in 2 0.6 and in 3 0.9 so in 4 hours it will move 1.2 inches


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Ellie reads 4 1/2 pages in 1/4 of an hour. At this rate, how many pages can she read per hour?
Harrizon [31]

Answer:18

Step-by-step explanation:

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5 0
3 years ago
.) A florist wishes to make bouquets of mixed spring flowers. Each bouquet is to be made up of tulips at $10 a bunch and daffodi
LekaFEV [45]

We have the following:

1.

let x a tulips

let y daffodils

therefore:

\begin{gathered} x+y=15\rightarrow x=15-y \\ 10x+7y=(x+y)8\rightarrow10x+7y=120 \end{gathered}

solving:

\begin{gathered} 10\cdot(15-y)+7y=120 \\ 150-10y+7y=120 \\ 10y-7y=150-120 \\ 3y=30 \\ y=\frac{30}{3}=10 \end{gathered}

for x:

x=15-10=5

Therefore, the answer is 5 tulips and 10 daffodils

2.

let x a 30% silver

let y a 55% silver

\begin{gathered} x+y=800\rightarrow x=800-y \\ 30x+55y=40\cdot(x+y)\rightarrow30x+55y=32000 \end{gathered}

solving:

\begin{gathered} 30\cdot(800-y)+55y=32000 \\ 24000-30y+55y=32000 \\ 25y=32000-24000 \\ y=\frac{8000}{25} \\ y=320 \end{gathered}

for x:

x=800-320=480

Therefore, the answer is 480 pounds of 30% silver and 320 pounds of 55% silver

3 0
1 year ago
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