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Likurg_2 [28]
3 years ago
9

I don't get part B, could u help me explain?

Mathematics
1 answer:
Nikolay [14]3 years ago
7 0
It represents the rate she is texting per second
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The ratio of the number of hamsters to the number of mice in a pet store is 3 to 2. How many hamsters are there, if there are 12
aleksandrvk [35]

Answer:

18

Step-by-step explanation:

you can do 12/2 to get 6 (the scale factor) and then multiply 3 by 6 and get 18

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3 years ago
Three numbers X, Y, and Z are in the ratio 2:7:8. If 12 is subtracted from Y, then three numbers form a geometric sequence (in t
melomori [17]

Answer:

  (X, Y, Z) = (8, 28, 32)

Step-by-step explanation:

The ratio units will form a geometric sequence if the middle one is the square root of the first and last:

  Y' = √(2·8) = 4

To get this value from 7, we must subtract 3. In the real sequence we must subtract 12, so each "ratio unit" must stand for 12/3 = 4 real units, and the real numbers X, Y, Z are 2·4 = 8, 7·4 = 28, 8·4 = 32.

  (X, Y, Z) = (8, 28, 32)

  (X, Y-12, Z) = (8, 16, 32) . . . . a geometric sequence with a ratio of 2

3 0
3 years ago
Help me find like terms, (multiple choice).
vichka [17]

Answer:

Like terms:

\frac{1}{2}x^{2}

1.25x²

-8x²

Step-by-step explanation:

Like terms are terms that have the same variable to the same exponent.  In this case, the only like terms are those with the variable 'x' to the exponent of '2', or x².  This would include the terms:

\frac{1}{2}x^{2}

1.25x²

-8x²

The term 5yx², also includes x², however, it also includes the variable 'y' which makes it 'unlike' the other terms.  

8 0
4 years ago
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a cell phone and phone case cost 110$ in total. the cell phone costs 100$ more than the phone case. How much was the cell phone?
Flauer [41]

Answer:

210$ i hope this helped!

3 0
3 years ago
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Which of these could be the graph of F(x)=4•e^x
Rufina [12.5K]

Answer:UR MOM

Step-by-step explanation:

UR MOM HAS HIV

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3 years ago
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