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Drupady [299]
3 years ago
6

Ellen is making small bags.of confetti from a large bag of confetti that weighs 4.75 pounds .If she puts the same amount of conf

etti in each 5 bags , how much should each bag weigh?
Mathematics
1 answer:
BaLLatris [955]3 years ago
8 0
<span>If she puts the same amount of confetti in each 5 bags  - means that she divides all amount into 5 bags.
So,
4.75 : 5 = 0.95
Answer:  each bag should weigh 0.95 pounds.</span>
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How do you find the sum of cube ?
SIZIF [17.4K]

Answer:

(2x+5)(4x^{2} -10x+25)=0

Step-by-step explanation:

Given:

The given equation is.

8x^{3} +125=0

Find the some of cube.

Solution:

8x^{3} +125=0

2^{3}x^{3} +5^{3}=0

(2x)^{3} +5^{3}=0----------(1)

The sum of the cube formula is given below.

(a^{3} +b^{3})=(a+b)(a^{2} -ab+b^{2} )-----------(2)

By comparing equation 1 and equation 2

a=2x, b=5

substitute a and b value in equation 2

((2x)^{3} +5^{3})=(2x+5)((2x)^{2} -(2x)(5)+5^{2})

((2x)^{3} +5^{3})=(2x+5)(4x^{2} -(10x)+25)

((2x)^{3} +5^{3})=(2x+5)(4x^{2} -10x+25)

Therefore the sum of the cube (2x+5)(4x^{2} -10x+25)=0

4 0
3 years ago
An object with a mass of 3.0 g raises the level of water in a graduated cylinder from 25.1 mL to 33.1 mL. What is the density of
evablogger [386]
The displaced volume of the water, because of the submersion of the object, is equal to the volume of the object.

So to find the volume of the object we calculate the difference in volume of water:
33.1-25.1 = 8 ml

Since 1 mL of water has the volume of  1cm^3, then the volume of the object is 8 cm^3.


The density of the object is found by the formula:

density= mass/volume= (3 g) / (8 cm^3) = 3/8 (g/cm^3)= 0.375 g/cm^3


Answer: 0.375 g/cm^3
7 0
3 years ago
I need help with b and c please and thank you!!
Vlada [557]

Answer:

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3 0
2 years ago
A radio station broadcasts a signal over qn area with a radius of 50 miles. The station can relay the signal and broadcast over
denpristay [2]
A = pi * r^2 
<span>A = 3.14 * 50^2 </span>
<span>A = 7,850 square miles (area of the 50 mile broadcast signal)

A = pi * r^2
A = 3.14 * 75^2
A = </span>17,662.5 = 17,663 square miles (area of the 75 mile relayed signal)

Now we just need to subtract the 50 mile signal from the 75 mile signal, so:

17,663 - 7,850 = <span>9,813 square miles greater


Hope this helps :)
</span>
7 0
3 years ago
“What happens to our balloon when we subtract a positive number (puffs of air)?”
bekas [8.4K]

the height decreases

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6 0
3 years ago
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