3 years ago

A 13- ounce package of pistachios costs $5.99. What is the unit rate?

Mathematics

1 answer:

statuscvo [17]3 years ago

5 0

The unit rate is 2.17

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Tpy6a [65]

We did this same kind of problem in school. All we did was divide the those 2 numbers to figure out the unit price. So, 20/5 = 4 $ per CD.

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3 years ago

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Simplify this 13.) 13y² + 9y + 4y² - 31y

erastova [34]

Answer: $17y^2-22y$

Step-by-step explanation:

$13y^2+9y+4y^2-31y$

$\mathrm{Group\:like\:terms}$

$=13y^2+4y^2+9y-31y$

$\mathrm{Add\:similar\:elements:}\:13y^2+4y^2=17y^2$

$=17y^2+9y-31y$

$\mathrm{Add\:similar\:elements:}\:9y-31y=-22y$

$=17y^2-22y$

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2 years ago

27 solid iron spheres, each of radius 'xcm'ate melted to form a sphere with radius 'ycm',find the ratio x:y

r-ruslan [8.4K]

Answer:3:1

Step-by-step explanation:

Given

There are 27 solid spheres of radius x cm

The volume of a sphere is $\frac{4}{3}\pi r^3$

The volume of 27 old spheres is the same as the volume of a new sphere

The volume of the old spheres is

$V_o=\dfrac{4}{3}\pi x^3$

The volume of a new sphere is

$V_n=\dfrac{4}{3}\pi y^3$

Now, $V_o=V_n$

$\Rightarrow 27\times \dfrac{4}{3}\pi x^3=\dfrac{4}{3}\pi y^3\\\\\Rightarrow (\dfrac{x}{y})^3=27\\\\\Rightarrow \dfrac{x}{y}=3$

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3 years ago

Please answer correctly !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!

tatiyna

Answer:

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Step-by-step explanation:

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3 years ago

Write 720,080 in expanded form with exponents

disa [49]

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3 years ago

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