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Darya [45]
3 years ago
11

Nzjidjsjsjdidoodjdbdkdof

Mathematics
1 answer:
Andrews [41]3 years ago
4 0

Answer:

Nzjidjsjsjdidoodjdbdkdof

Step-by-step explanation:

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How far can you run in 5/7 of an hour if you run at a speed of 8 2/5 mph?
Mazyrski [523]
Answer: you can run 6 miles


explanation: 8 2/5 divided by seven = 1.2 1.2x5 = 6
5 0
3 years ago
What is the value if f(0)?​
ioda

Answer:

D

Step-by-step explanation:

Where f(0) is or x=0, y= 4

5 0
2 years ago
Read 2 more answers
"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
Can three segments with lengths 8, 15, and 6 make a triangle?
butalik [34]
Yes, not a equallateral but an issoceles

5 0
3 years ago
Sketch. Kite qrst has a short diagonal of qs and a ling diagonal of rt. The diagonals intersect at point p. Side qr=5 m and diag
In-s [12.5K]
<u>Answer</u>
4m

<u>Explanation</u>
Δqrp is a right triangle. 
If ps = 6m then, qp = 3m. So we can find line pr using pythagoras theorem. 
rp = √(5²-3²) = √16 = 4m

The Δqrp≡Δqtp.
3 0
3 years ago
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