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3 years ago

A cube has a side length of 7 in. What is the volume of the cube? in3

Mathematics

2 answers:

Ivenika [448]3 years ago

6 0

343in3 is the answer to this math question

inysia [295]3 years ago

4 0

I want to say 343, but it just does not sound right. It's been a while since I've dealt with cubes. :/ good luck

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Amy wants to sell at most 25 cookies and at least 10 sprites

Inga [223]

Answer:

$x\leq 25\\y\geq 10\\.50x + y\geq 30$

Step-by-step explanation:

It is given that,

Amy wants to sell at most 25 cookies ,

Let number of cookies be ' $x$ ' , then $x$ should be less than or equal to 25

Which is represented by $x\leq 25$ ,

Further,

Let number of sprites be ' $y$ ', then ' $y$ ' should be greater than or equal to 10

Which is represented by $y\geq 10$

Also,

Given,

she profits $.50 on every cookie

and $1.00 on every sprite.

So total profit on selling cookies would be

= Profit on each cookie times the number of cookies

= $.50\times x$

= $.5x$

Similarly, total profit on selling sprites would be

=profit on each sprite times the number of sprites

= $1.00\times y$

= $y$

Now, combining these two should be greater than or equal to $30

representing this through an equation,

$.50x+y\geq 30$

Thus the sysytem of equations is given as:

$x\leq 25\\y\geq 10\\.50x + y\geq 30$

6 0

3 years ago

Malek had a summer job that pays $7.00 an hour and he worked between 15 and 35 hours every week. His weekly salary can be modele

oee [108]

Answer:

57 hours

Step-by-step explanation:

because it is big hours

realley yeah please follow me

I am a school teacher

5 0

3 years ago

Identify which of the twelve basic functions listed below fit the description given. 1 ,y1+e y=x,y=xy=*',y = lxl.y = y=e"y= V,y

skelet666 [1.2K]

remember that local minimuns are points in which the function was decreasing and starts increasing.

you can try two ways of doing it, graphing the functions or using derivatives.

since this are twelve functios the easier way is to graph them.

start by function y=x

in this case this function is continously increasing as x increases, which means that it does not have any local maxima or minima.

now do the same for

$y=x^2$

this graph has a local minima on th

5 0

11 months ago

Read 2 more answers

A bookstore had 64 copies of a magazine. yesterday it sold 7/8 of them. how many copies were sold yesterday

marishachu [46]

56

8 (1)
16 (2)
24 (3)
32 (4)
40 (5)
48 (6)
56 (7)

5 0

3 years ago

Read 2 more answers

I neeeed help realy bad

77julia77 [94]

Answer: -3x + 4, (2,-2)

Step-by-step explanation:

First, you want to get y alone on one side.

3x + y = 4

-4 -4 subtract 4 to get it on the left side.

-y -y subtract y to get it alone on the right side.

Your'e left with 3x - 4 = -y divide the whole equation by -1 do get a pos y

You then have y = -3x + 4. That's the first part of your answer.

To get the second part plug in (-3x + 4) into the y of the first equation, this is the substitution part.

-2x + 5(-3x+4) =-14 distribute the 5... -2x - 15x +20 = -14

add your like terms ( x and x) -17x + 20 = -14

Isolate your x by subtracting the 20, both sides -20 -20

-17x = -34 divide both side by 17 you get x = 2 (---- this is your first coordinate in the pair in your answer. To get the y do the same but solve for y instead of x.

3 0

2 years ago