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schepotkina [342]
3 years ago
12

desiree has 100 pink 80 blue and 120 purple beads. she puts all of the beads into jars equally. each jar has one type of bead. h

ow many beads can she put in one jar
Mathematics
1 answer:
astra-53 [7]3 years ago
8 0
At most, 20. 20 is the greatest common factor of all numbers.
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Simplify to create an equivalent expression.<br><br> 3n+2(-2n-1)
nikitadnepr [17]

3n - 4n - 2

-n - 2

-n - 2 is the simplest form

3 0
3 years ago
Nikki can drive her car 22 miles on each gallon of gasoline. If Nikki drives m miles, which expression represents the number of
agasfer [191]

The expression represents the number of gallons used is m/22.

Given

Nikki can drive her car 22 miles on each gallon of gasoline.

<h3>What is the unit rate?</h3>

A rate is a ratio that is used for comparing two different kinds of quantities which have different units.

To find the number of gallons used we will divide the total distance traveled by distance traveled in one gallon.

Therefore,

If Nikki drives m miles, the expression represents the number of gallons used is;

\rm \text{Number of gallons used}=\dfrac{Total \ travled \ distance}{Distance \ traved \ in \ one \ unit}

\rm \text{Number of gallons used}=\dfrac{m}{22}

Hence, the expression represents the number of gallons used is m/22.

To know more about the Unit rate click the link given below.

brainly.com/question/11258929

6 0
2 years ago
Read 2 more answers
Help help help help help help
Vsevolod [243]

Answer: 19 mins

Step-by-step explanation:

hope this helps

7 0
3 years ago
Represent the geometric series using the explicit formula. 2, −8, 32, −128, … f(n) = 2 ⋅ (−4)(n−1) f(n) = 2 ⋅ (4)(n−1) f(n) = f(
Stolb23 [73]

Answer:

Option B

Step-by-step explanation:

I did the test and I got it right.

3 0
3 years ago
Read 2 more answers
If <img src="https://tex.z-dn.net/?f=%20300cm%5E%7B2%7D%20" id="TexFormula1" title=" 300cm^{2} " alt=" 300cm^{2} " align="absmid
Artist 52 [7]
Check the picture below.  Recall, is an open-top box, so, the top is not part of the surface area, of the 300 cm².  Also, recall, the base is a square, thus, length = width = x.

\bf \textit{volume of a rectangular prism}\\\\&#10;V=lwh\quad &#10;\begin{cases}&#10;l = length\\&#10;w=width\\&#10;h=height\\&#10;-----\\&#10;w=l=x&#10;\end{cases}\implies V=xxh\implies \boxed{V=x^2h}\\\\&#10;-------------------------------\\\\&#10;\textit{surface area}\\\\&#10;S=4xh+x^2\implies 300=4xh+x^2\implies \cfrac{300-x^2}{4x}=h&#10;\\\\\\&#10;\boxed{\cfrac{75}{x}-\cfrac{x}{4}=h}\\\\&#10;-------------------------------\\\\&#10;V=x^2\left( \cfrac{75}{x}-\cfrac{x}{4} \right)\implies V(x)=75x-\cfrac{1}{4}x^3

so.. that'd be the V(x) for such box, now, where is the maximum point at?

\bf V(x)=75x-\cfrac{1}{4}x^3\implies \cfrac{dV}{dx}=75-\cfrac{3}{4}x^2\implies 0=75-\cfrac{3}{4}x^2&#10;\\\\\\&#10;\cfrac{3}{4}x^2=75\implies 3x^2=300\implies x^2=\cfrac{300}{3}\implies x^2=100&#10;\\\\\\&#10;x=\pm10\impliedby \textit{is a length unit, so we can dismiss -10}\qquad \boxed{x=10}

now, let's check if it's a maximum point at 10, by doing a first-derivative test on it.  Check the second picture below.

so, the volume will then be at   \bf V(10)=75(10)-\cfrac{1}{4}(10)^3\implies V(10)=500 \ cm^3

6 0
3 years ago
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