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Novay_Z [31]
3 years ago
7

Solve for x y=8x y=72

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
6 0
X = 9

72 / 8 = 9

8 x 9 = 72 


ladessa [460]3 years ago
4 0
Substitute 72 for y in the equation. So 72=8x. Divide both sides by 8. Then x=9.
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Would like to k ow the answer ?!
Arlecino [84]

Answer:

yessirrr cuz ion kno the answer to this question

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3 0
3 years ago
A store is having a sale on jelly beans and almonds. For 6 pounds of jelly beans and 2 pounds of almonds, the total cost is $12
CaHeK987 [17]

Solution:

Let each pond of  jelly beans cost $x.

and each pond of almonds cost $y.

Then we can write

6x+2y=12.......(i)

3x+5y=15.....(ii)

Now solve these two equations together using substitution we get

3x=15-5y

30-10y+2y=12\\
\\
-8y=12-30\\
\\
-8y=-18\\
\\
y=2.25\\
\\
3x=15-5y=15-5*2.25=3.75\\
\\
x=1.25

Hence each pond of jelly bean cost 1.25$

Each pond of almond costs 2.25$


3 0
3 years ago
Rihanna must put a five dollar deposit down to buy a necklace. If P where presents the full price of the necklace which expressi
natta225 [31]

Answer:

<em>The expression is </em><em>P - 5</em>

Step-by-step explanation:

Rihanna already made a deposit of $5 to buy the necklace (given)

Full price of necklace = P

Let m = how much Rihanna has left to pay

Full price of necklace = amount paid + amount left to pay

= 5 + m

So we equate the two full necklace prices

5 + m = P

m = P - 5

Therefore, the amount Rihanna owes before tax = P - 5

6 0
3 years ago
Find the total cost of a $32 Uber ride with a 15% tip.
jasenka [17]

Answer:

$36.8

Step-by-step explanation:

i just calculated it!

32*15% = 4.8

32+4.8= 36.8

7 0
3 years ago
Put the following into slope intercept form.<br> -5x + 3y = 12
polet [3.4K]

Answer:

y=5/3x+4

Step-by-step explanation:

5 0
3 years ago
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