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cestrela7 [59]
3 years ago
10

Marcos sees a cake advertised as $15 or 2 for $25. What is the difference of the unit rate?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

A. 2.50

Step-by-step explanation:

25 ÷ 2 = 12.5

15 - 12.5 = 2.50

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Please, please help me!
Firdavs [7]

Answer:

m=12

Step-by-step explanation:

basic math

5 0
2 years ago
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The normal water level in the river is 0. Now it is 2 feet below normal.
Mademuasel [1]

The question can't be answered with the information given.

First of all, we don't know how fast the rain is falling ... how many inches
per hour.

But even of we knew that, that would only tell us how much water would
pile up in our yard or on our street.  You're talking about a river, and
that's a whole different ball game. 

The rain that falls right here is going to flow down the river to somewhere
else.  But the rain that falls up-river from us is going to flow down to where
we are, and the river is going to rise.  The amount it rises depends on . . .

-- how fast the rain is falling,
-- how much area it's falling on,
-- how much forest there is in that area and how many houses and
         parking lots where the ground can't soak up the water and hold it,
-- and also on how wide the river is and how fast the water can flow through it. 


6 0
3 years ago
Read 2 more answers
Helllllllllllp meeeeeee
lubasha [3.4K]
The constant of proportionality in terms of the cost per text is the coefficient of t in the equation b=0.25t. Since the coefficient of t is 0.25, the constant of proportionality in terms of the cost per text is 0.25.
Proportionality constants are usually expressed as fractions, so lets convert 0.25 to a fraction. To do that we are going to add the denominator 1 to our decimal, and then we will multiply both numerator and denominator by ten for every number after the decimal point:
\frac{0.25}{1}
\frac{0.25}{1} . \frac{100}{100} = \frac{75}{100}
Finally, we can simplify our fraction:
\frac{25}{100} = \frac{1}{4}

We can conclude that the constant of proportionality in text of the cost per text is 1/4


6 0
3 years ago
Multiply the polynomials.<br> (3 x2 + 3x + 5)(6x + 4)
miss Akunina [59]

= ( 3x² + 3x + 5 ) ( 6x + 4 )

= 18x³ + 18x² + 30x + 12x² + 12x + 20

= 18x³ + 30x² + 42x + 20

6 0
2 years ago
Read 2 more answers
2. Starting at a fixed time, each car entering an intersection is observed to see whether it turns left (L), right (R), or goes
jasenka [17]

Answer:

Natural numbers (integers greater than zero)

X = 3,  5,  4,  4,  3

Step-by-step explanation:

The least number of cars that can be observed in this experiment is 1, if the first car turns left. On the other hand, the experiment could go on forever if no car ever turns left, thus the highest number of cars approaches infinite.

The possible values of X are integers greater than zero, which are known as the Natural numbers.

If X = number of cars observed, simply count the number of letters in each outcome for the value of X:

Outcome = RRL, AARRL, AARL, RRAL, ARL

            X = 3,  5,  4,  4,  3

7 0
3 years ago
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