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denis-greek [22]
3 years ago
10

Evaluate the expression when x =19 and y =7

Mathematics
1 answer:
PtichkaEL [24]3 years ago
3 0

Answer:

Plug in X and Y by replacing the given numbers where you see letters.

Step-by-step explanation:

What I said above.

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I NEED HELP ON THIS SO BAD WILL GIVE CROWN
Stells [14]
5.5 quarts equals 22 cups. (There are 4cups in a quart, so 4 * 5.5 = 22)

22-4= 18 cups
8 0
3 years ago
wendy is selling bags of chips. she earns $108.00 by selling 72 bags of chips. if each bag of chips is the same price, how many
stiv31 [10]
I think 84

$108.00 divided by 72 is $1.50
So 1 bag is $1.50
$126.00 divided by $1.50 is 84
So 84 bags of chips
8 0
3 years ago
Factor the polynomial <br><br> n ^ 4 - 49n ^ 2 = 0
kobusy [5.1K]

Answer:

I have no clue on how to answer this bc I thiugh i knew how to answer

4 0
3 years ago
3. The talent show committee sold a total of 522 tickets. Student tickets cost $3 each and adult tickets
irina1246 [14]

Answer:

Step-by-step explanation:

If student ticket = 215 then 215 x 3 = 645$

Remaining tickets = 522 - 215 = 307

So adult tickets = 307 x 4 = 1228$

Total amount = 1228 + 645 = $1873

7 0
3 years ago
The volume of a gas is 10.0 liters and its pressure is 1.5 atm. If the pressure is decreased to 0.75 atm,
JulsSmile [24]

Answer:

The new volume is 20litres

Step-by-step explanation:

This problem bothers on the expansion of gases

According to Boyle's law

The volume of a given mass of gas at constant temperature is inversely proportional to the pressure

P∝1/v

Pv= constant

Given data

P1= 1.5atm

v1 = 10 litter

P2=0.75atm

v2=?

Applying P1v1= P2v2

v2= P1v1/P2

v2= 1.5*10/0.75

v2= 15/0.75

v2= 20litres

3 0
3 years ago
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