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jarptica [38.1K]
3 years ago
9

Simplify 4.5+ 3.1(2x + y) + 1.2y.

Mathematics
2 answers:
Step2247 [10]3 years ago
4 0

Answer:

6.2x+4.3y+4.5

Step-by-step explanation:

Mrac [35]3 years ago
3 0

Answer:

see image

Step-by-step explanation:

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1.06 g/ml multiply by 473.176 ml
Elan Coil [88]

Answer: 501.56656 grams

Step-by-step explanation: convert g/ml to ml

4 0
3 years ago
You have a jar containing 55 coins, consisting entirely of nickels and quarters, worth a
yawa3891 [41]

Answer: 22 quarters

Step-by-step explanation:

Let N be the number of nickels.

Then the number of quarters is (55-N)

The nickels  contribute 5N cents to the total.

The quarters contribute 25*(55-N) cents to the total.

5N + 25*(55-N) = 715

5N + 1375 - 25N = 715

-20N = 715 - 1375 = -660

N=\frac{-660}{-20}

=33

55-33=22

So there is 22 quarters inside the jar.

Check to see if my answer is correct-

33*5 + 22*25 = 715 cents

6 0
3 years ago
A 12-pack of soda costs $6.30 what is the cost per can
Naddika [18.5K]
6.30 dollars / 12 sodas = $0.525 cents each soda
4 0
2 years ago
Read 2 more answers
Please help me in the question of commission ! Grade - 9 . ​
AlladinOne [14]

Answer:

Step-by-step explanation:

Commission for  amount  Rs. 5,00,00 = \frac{2}{100}*500000

                                                               = 2* 5000

                                                               = Rs. 10,000

total commission = Rs. 32,000

Remaining commission = 32500 - 10000

                                      = Rs. 22500

Let remaining amount of the restaurant = Rs. x

Commission on Rs. x = 22500

3% of x = 22500

\frac{3}{100}*x=22500\\\\x=22500*\frac{100}{3}\\\\x = 7500*100

x = Rs. 750000

Price of the restaurant = 750000 + 500000

                                     =Rs . 1250000

7 0
3 years ago
What is the range of the function graphed below?
Dmitriy789 [7]

Answer:

Negative 3 less-than y less-than-or-equal-to 3

Step-by-step explanation:

By looking at a coordinate plane, we can easily see the range

remember, a closed dot means includes , and an open dot means does not include

[closed dot]

(open dot)

the range is all possible y-values. so, all y values shown are

3               which it includes

to -3            which it excludes  / does not include

so, all y values are greater than -3 and less than or equal to 3

7 0
2 years ago
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