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anygoal [31]
3 years ago
11

IF62 +34 - 3575 + 15 = 1542 + 11 = 1171 +33= ??Then,?​

Mathematics
1 answer:
Nat2105 [25]3 years ago
7 0
The answer is 104 because both is positive when you add it it both it will be positive.
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"a u.S. 1-cent coin (a penny) has a diameter of 19 mm and a thickness of 1.5 mm". Assume the coin is made of pure copper, whose
choli [55]

<u>the question is </u> Calculate the value of the copper in the coin

Step 1

Find the volume of the coin

we know that

the volume of a cylinder is equal to

V=\pi r^{2}h

where

r is the radius of the coin

h is the thickness of the coin

in this problem we have

Diameter=19 mm=1.9 cm

r=D/2------> r=1.9/2=0.95 cm

h=1.5 mm=0.15 cm

substitute the values in the formula

V=\pi*0.95^{2}*0.15=0.425\ cm^{3}

Step 2

<u>Find the mass of copper in the coin</u>

we know that

the density is equal to

Density=mass/volume

Solve for the mass

mass=Density*volume

we have

Density=8.9\ gr/cm^{3}\\Volume=0.425\ cm^{3}

substitute in the formula

mass=8.9*0.425=3.785\ gr

Step 3

<u>Find the cost</u>

we know that

the market price of the copper is $2.15 per pound

1 pound=453.592 grams

convert gram to pounds

3.785 gr=3.785/453.592=0.0083 pounds

0.0083*$2.15=$0.018=$0.02

therefore

<u>the answer is</u>

$0.02

3 0
3 years ago
The image of a point is B'(-4, 11). A 180° clockwise rotation was performed to get this image. What were the coordinates of the
Musya8 [376]
I think it would be 4 11
4 0
3 years ago
Read 2 more answers
you deposit $6,700 in a money market account that pays an annual interest of 3.3% the interest is compounded quarterly how much
Rufina [12.5K]

so it is compounded 4 times in a year in 4 years we can take it as 16 terms

a=6700(1+3.3/100)^16

a=6700(1+33/1000)^16

a=6700(1000/1000 + 33/1000)^16

a=6700(1.033)^16

a=6700*1.681144887891022

a=6700*1.6811

a=11263.23

4 0
3 years ago
I'm thinking of two numbers. The first plus twice the second equals 11. Twice the first plus three times the second equals 50. W
valentinak56 [21]
2x + 4y - 2x - 3y = 22 - 50

y = -28

substitute into the 1st equation to find x

3 0
3 years ago
Is 1/4 greater or less than 1/6
zzz [600]

Answer:

greater

Step-by-step explanation:

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3 years ago
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