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Sophie [7]
3 years ago
7

a piggy bank containing only quarters has a mass of 850 grams when empty and 7822 grams when filled if a quarter weighs 5.6 gram

s estimate the money
Mathematics
2 answers:
kap26 [50]3 years ago
7 0
I thinks the answer is 12.45
stira [4]2 years ago
4 0
Number of quarters= (7822-850)/5.6 = 1245

multiply that by 0.25 (worth of a quarter) to get the amount of money in US dollars

1245*0. 25=311.25$
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If anyone could help out with this one i would really appreciate it <br><br> f(2)=?
algol13

Answer:

f(2) = 0

Step-by-step explanation:

Function f(t) is defined in three different ways depending on the value of t.

For t = 8, function f(t) is -64/t.

For t = 10, function f(t) is 14 - t.

We are not asked about f(8) or f(10). We are asked about f(2). The third definition of function f(t) is for all values of t that are not 8 or 10. 2 is not 8 or 10, so use the third definition of function f(t) and plug in 2 for t.

f(t) = t^2 - 3t + 2 for t not equal to 8 or 10.

f(2) = 2^2 - 3(2) + 2

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f(2) = 0

6 0
3 years ago
Please help this is due at 11:59
ANTONII [103]

Answer:

i believe the answer is c

Step-by-step explanation:

tbh i dont have to explain cause you mainly have to just look at the graph

6 0
2 years ago
Read 2 more answers
Given these facts, determine how many cans of paint you would need to buy to paint 2 walls.
Tatiana [17]

Answer:

3 cans

Step-by-step explanation:

A = lw

a = 20 x 8 = 160ft^{2}

a = 40 x 8 = 320 ft^{2}

Together this is 480 ft^{2}

I would need 3 cans.

5 0
2 years ago
Whats 2+2, im dum/b<br> its 5 right
ratelena [41]

Answer:

yes its 5

Step-by-step explanation:

if you followed the steps correctly your answer will show ul

7 0
2 years ago
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Which statement about the ordered pairs (2, −9)(2, −9) and (3, −6)(3, −6) is true for the equation 5x−y3=135x−y3=13 ?
dedylja [7]
5x - y³ = 135x - y³ = 13
The answer can be obtained by simply putting the ordered pair into the equations. First (2 , -9)
5(2) - (9)³ = 135(5) - (-9)³ = 13
10 + 729 = 675 + 729 = 13
739 = 1404 = 13
This is not true. Therefore this is not a solution
Second (3,-6)
5(3) - (-6)³ = 135(5) - (-6)³ = 13
231 = 891 = 13
This is also not true
Therefore, neither ordered pair is a solution.
7 0
3 years ago
Read 2 more answers
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