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Novosadov [1.4K]
3 years ago
8

I need this FAST!!!!!

Mathematics
1 answer:
mariarad [96]3 years ago
6 0
12.2 mm for longest and 11.8 mm for shortest
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Which statement is true about the parts of this expression?
olganol [36]
<span>A) The constant is 7.5.  FALSE.  7.5 is a coefficient, not a constant.

</span><span>B) The coefficients are 7.5 and -9.  FALSE.  The coefficients are 7.5, -1/9 and 2.  50, being a constant, could be regarded as a coefficient in this case.

</span><span>C) The variables are x and y.  FALSE.  There are three variables:  x, y and z.

</span><span>D) The like terms are 7.5y and 2y.  TRUE.  The variable (y) is the same in each term.</span><span>

</span>
4 0
3 years ago
Read 2 more answers
Jan is 2/3 of Karyn's age. Jan's age 8 years ago is 2/5 of Katyn's age 4 yeats from now. Jan is how many younger than Karyn?
Elden [556K]

Answer:

12 years younger.

Step-by-step explanation:

Let Jan's age be J and Karyn's age be K.

J= \frac{2}{3}  K

Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.

J-8 = \frac{2}{5} (K+4)

=> (\frac{2}{3} - \frac{2}{5} ) K = \frac{8}{5} + 8

=> 4K = 48 X 3

=> K= 36.

=> J= 24.

So Jan is 12 years younger.

8 0
3 years ago
Please i need help i’ll give u a brainliest please
Nina [5.8K]

Answer:

V=314.15

Step-by-step explanation:

V=1/3pi*r^2*h

V=1/3*pi*5^2*12

V=1/3pi*25*12

V=1/3pi*300

V=300/3pi

V=100pi

V=314.15

4 0
2 years ago
How do you write <br> 16<br> _<br> 8<br> as a percentage?
Sav [38]
I think its 200%

Best Of Luck!!!!
:D

7 0
3 years ago
This question. Help?
Lemur [1.5K]

Answer:

A: venti has a better unit rate at .2275 cents per ounce

B: to get the unit rate you divide the cost by the number of ounces.

Step-by-step explanation:

tall = .2958 cents per ounce

grande = .2656 cents per ounce

venti = .2275 cents per ounce

3 0
3 years ago
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