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yaroslaw [1]
3 years ago
9

Danny owes his dad $200. He mows lawns after school and on the weekends. He charges $28 a lawn, but pays his friend Sam $12 a la

wn to help. Danny plans to repay his dad with half of what he earns on each lawn. Identify the expression which represents the condition described.
Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
3 0
200 - 8x
200 - (28-12)(.5)x200 - (16)(.5)x200 - 8x
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A fish tank that is 5 feet long by 3 feet wide by 3 feet high has a 2 foot cubic stone placed in the bottom how much water will
maks197457 [2]

Answer:

37ft³

Step-by-step explanation:

Volume of the fish tank = length × width × height = 5ft × 3ft × 3ft = 45ft³

Volume of the cubic stone = length × length × length = (2ft)³ = 8ft³

Volume of the water = volume of the fish tank - volume of the cubic stone

i.e Volume of the water = 45ft³ - 8ft³ = 37ft³

4 0
3 years ago
Need help got 40mins left almost done with class if you can help with algebra 2 class let me know so I can personal message you
marissa [1.9K]

Answer:

Quadratic because the y values go up and then down.  None of the other options can do that.

5 0
3 years ago
Read 2 more answers
How well can you apply Boyle’s law to this sample of gas that experiences changes in pressure and volume? Assume that temperatur
emmasim [6.3K]

Answer:

A = 1.0 L

B = 0.50 atm

C = 0.60 atm

D = 4.0 L

Step-by-step explanation:

According to the Boyle's law, the volume of a gas is inversely proportional to its volume. If we consider an initial state (1) and a final state (2):

P₁ × V₁ = P₂ × V₂

A

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = 3.0 atm × A

A = 1.0 L

B

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = B × 6.0 L

B = 0.50 atm

C

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = C × 5.0 L

C = 0.60 atm

D

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = 0.75 atm × D

D = 4.0 L

4 0
3 years ago
Read 2 more answers
What is the value of x?
Makovka662 [10]

Answer:

A-100

Step-by-step explanation:

Use the Pythagorean therom.

a^2+b^2=c^2

6^2+8^2=c^2

36+64=100.

Hope this helps. Kinda confused me.


4 0
3 years ago
PLZ HELP ME BY THE END OF THE DAY
nlexa [21]

3x^{2} +1=28

Step 1 : subtract 1 from both sides

3x^{2} =27

Step 2 : Divide both sides by 3

\frac{\frac{3x^{2} }{3} }{\frac{27}{3} }

x^{2} = 9

Step 3 : Find the square root of 9

\sqrt{9} = 3

x= (-3,3)

remember negative × negative = positive


6 0
3 years ago
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