1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ziro4ka [17]
3 years ago
11

This is algebra plz help me:

Mathematics
1 answer:
deff fn [24]3 years ago
5 0

Answer:

5.5 hr

Step-by-step explanation:

y- number of hours

equation is

100+45y= 347.50

45y= 247.50

y= 5.5 hours

if my answer helps please mark as brainliest

You might be interested in
Sylvanite is a mineral that contains 28.0% gold by mass. Determine how much sylvanite would you need to dig up to obtain 81.0 g
lidiya [134]
Since Sylvanite only contains 28% gold by mass, then to obtain 81.0 grams of gold, x amounts of sylvanite must be mined. To determine x, we divide 81 grams by 28%. This equation is shown below:

0.28X = 81

X = 81/0.28
X = 289.29 grams

Therefore, 289.29 grams of sylvanite must be dug up to obtain 81 grams of gold.
3 0
3 years ago
Maria washes the windows in her house every 2 tweaks, meows her lawn every 3 weeks, and trims her garden bushes every 5 weeks. T
oee [108]
In another 30 weeks, because 2x3x5=30 weeks where she does all of the activities.<span />
4 0
3 years ago
31. Last month, Sharon's Deli charged the Business Club $231
finlep [7]

Answer:hello the answer is C. 7$

Step-by-step explanation:

4 0
3 years ago
A homemade loaf of bread turns out to be a perfect cube. Five slices of bread, each 0.6 inch thick, are cut from one end of the
erastovalidia [21]

A cube has all sides of equal length.

So let the side be x

that will be length = width = height = x  

Now, when we cut the loaf into 5 equal slices, the length and height of the slices are the same as the original loaf.  But the width will become less with each slicing. Here the width corresponds to the thickness of the slices.

For each slice the dimensions are -

Length = x

height = x

width = 0.6

Volume of the original loaf is x³.

Volume of  5 slices is 5(x * x * 0.6).  

Volume that is left after the cutting the slices is 235 inch³.

So, equation of the volume is=

x³ - 5(0.6x²) = 235

Solve for x using this equation.

x³ - 3x² = 235

x³ - 3x² - 235 = 0

Using a graph calculator to find the roots, we get

x = 7.35

Hence the dimensions of the original loaf is 7.35 inches for each side.

Please find attached the graph.

7 0
3 years ago
PLEASE HELP!!! PLEASE HELP!!!
Nostrana [21]

A. x - 6

hope that helps

5 0
2 years ago
Read 2 more answers
Other questions:
  • How to find the vertical asymptote of a function without a denominator?
    12·1 answer
  • What is 6.8 rounded to the nearest ones place?
    10·1 answer
  • What is the product of (x-6)(x+2)
    8·2 answers
  • Can someone help I need this asap
    15·1 answer
  • What is 1+1? please answer fast for me.
    8·2 answers
  • What is 3(x-6)+4x+18
    12·2 answers
  • A boat is traveling due North at 27mph. A current is flowing at a bearing of 60° west of south at 8mph. Find the actual speed an
    7·1 answer
  • I need help please ​
    5·1 answer
  • Help me out plz I will gave u Brainliest
    9·1 answer
  • Approximate √80 by using perfect squares. 80 is between which two perfect squares.​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!