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hram777 [196]
3 years ago
11

A cube of butter that weighs 0.250 lb and has a volume of 130. mL. Determine the density (g/mL) for each of the following?

Mathematics
1 answer:
ddd [48]3 years ago
7 0
V = 130 mL
m = 0.250 lb = 113.398 g
Density: d = m/V
d = 113.398 g / 130 mL
d = 0.8722923 g / mL
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NemiM [27]

If you are asking 7/8 - 1/x= 3/4,

first put 3/4 to 6/8 to make it easier.

Move the 7/8 over to the right. You will get 1/x=-1/8.

Simplify, it is x=-8.

Check=7/8 - 1/8=6/8

It checks out.

8 0
3 years ago
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If you pay $3.36 in tax, what was the original price at an 8% sales tax
yanalaym [24]

Answer:

  • $42

Step-by-step explanation:

<u>Given</u>

  • 8% = $3.36
  • 100% = x

<u>Cross multiply and solve for x:</u>

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2 years ago
The cost of renting a table at the flea market is based on a fixed price per day plus an initial registration fee. If it costs $
Simora [160]

Answer:

c = 15d + 30

Step-by-step explanation:

Hey there!

This can be represented by an equation of a line, where the number of days is our x-values(d), and the price is our y-values(c).

The price for one day ($45) and the price for 4 days($90) are specific points on that line.

The points are (1, 45) and (4, 90).

We can first find the slope of the line:

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Now we can find the base price, by plugging the slope and a point into the equation y = mx + b.

Solve for b:

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The base price (b) is 30.

The equation is \text{\boxed{c = 15d + 30}}

6 0
1 year ago
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igomit [66]

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3x = 2x + 2         <em>subtract 2x from borh sides</em>

<h3>x = 2</h3>

Check:

L = 3(2) - 7 = 6 - 7 = -1

R = 2(2) - 5 = 4 - 5 = -1

L = R  CORRECT! :)

4 0
3 years ago
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Y+3=2(x+5), write the equation of the line in slope intercept form.
Alex

Answer:

slope intercept form: y=mx+b

y+3=2(x+5)

step 1: use distributive property

y+3=2(x)+2(5)

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step 2: subtract 3 on both sides to make y by itself

y+3=2x+10

-3 -3

final answer: y=2x+7

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