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Zigmanuir [339]
3 years ago
8

If 2x squared + 8y = 121. 5, what is x

Mathematics
1 answer:
mezya [45]3 years ago
5 0
X=30.4-2y
(step by step) :
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Anthony has a points card for a movie theater. He receives 85 rewards points just for signing up. • He earns 2.5 points for each
ArbitrLikvidat [17]

Equation: 2.5x + 85 = 100

Answer: x = 6

8 0
2 years ago
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Haven't run across one with three terms. help? preferably explain how you got the answer too!!​
const2013 [10]

Answer:

c^3 + c^2 - 7c + 20

Step-by-step explanation:

First, expand the expression using distributive property.

c^2(c+4) - 3c(c+4) + 5(c+4)

c^3 + 4c^2 - 3c^2 - 12c + 5c + 20

Lastly, simplify like terms.

c^3 + c^2 - 7c + 20

5 0
3 years ago
You pay $228.50 in taxes at a rate of 10.25% to buy a new TV. How much did the tv cost original? Round your number to the hundre
Allisa [31]

Answer:

$2229.27

Step-by-step explanation:

tax rate: 10.25%

tax amount: $228.50

price before tax: x

10.25% of x = $228.50

0.1025x = 228.5

x = 228.5/0.1025

x = 2229.27

Answer: $2229.27

5 0
2 years ago
What is 30/40 converted into a percent
juin [17]

75%

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75$ representing the 30 and the 100$ representing the 40

7 0
3 years ago
Read 2 more answers
Can anyone help me out?
Lana71 [14]

Answer:

3y= -42

y= -14

Step-by-step explanation:

3y= -42

-42/3= -14

y= -14

3 0
2 years ago
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