3 years ago

I need to find the unit rate for all three of these, if anyone could help me that’d be great! I’ll even mark as brainliest!!

Mathematics

1 answer:

Hunter-Best [27]3 years ago

7 0

Answer:

5b: 14 feet per second

4: 25 students per classroom

5a: 1 Cups of flour per Cups of sugar

Step-by-step explanation:

help this helps

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3 years ago

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mariarad [96]

Answer:

D is the answer. :)

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3 years ago

Help no links!!!!!!!!!!!!!!

Softa [21]

Answer:

A.) -⅔

B.) 3/-2

Step-by-step explanation:

from 1 to -1 you have to go down 2

from 2 to -1 you have to go down 3

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3 years ago

Which point is not on the graph represented by y=x^2+2x-4

Illusion [34]

$(-6,20) \\
x=-6 \\ y=20 \\ \Downarrow \\
20 \stackrel{?}{=} (-6)^2+2 \times (-6)-4 \\
20 \stackrel{?}{=} 36-12-4 \\
20 \stackrel{?}{=} 20 \\
20 = 20 \\
\hbox{the point is on the graph}$

$(-4,4) \\
x=-4 \\ y=4 \\ \Downarrow \\
4 \stackrel{?}{=} (-4)^2+2 \times (-4)-4 \\
4 \stackrel{?}{=} 16-8-4 \\
4 \stackrel{?}{=} 4 \\
4 = 4 \\
\hbox{the point is on the graph}$

Both points are on the graph.

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4 years ago

The probability of picking two black marbles from a box at random without replacement is 10/91 .

sasho [114]

The probability of the 2 events are multiplied to get the result 10/91

so we have the relation 5/14 * x = 10/91

where x is the probability of drawing the second black

so x = 10/91 * 14/5 = 4/13 answer

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3 years ago

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