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PSYCHO15rus [73]
3 years ago
7

Darlene heard 5/8 of a 56 page book how many pages did Darlene read

Mathematics
1 answer:
iris [78.8K]3 years ago
8 0
Darlene read 30 books! :) Divide and simplify
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Help me solve this equation and show work <br><br> 11d + 17b = 95 <br> d + b = 7
sweet-ann [11.9K]

Answer:

{d,b}={4,3}

Step-by-step explanation:

[1]    11d + 17b = 95

  [2]    d + b = 7

Graphic Representation of the Equations :

   17b + 11d = 95        b + d = 7  

 

Solve by Substitution :

// Solve equation [2] for the variable  b

 [2]    b = -d + 7

// Plug this in for variable  b  in equation [1]

  [1]    11d + 17•(-d +7) = 95

  [1]    -6d = -24

// Solve equation [1] for the variable  d

  [1]    6d = 24

  [1]    d = 4

// By now we know this much :

   d = 4

   b = -d+7

// Use the  d  value to solve for  b

   b = -(4)+7 = 3

Solution :

{d,b} = {4,3}

4 0
3 years ago
Read 2 more answers
50 POINTS!!!
san4es73 [151]

Step-by-step explanation:

<u>Step 1:  Determine an ordered pair</u>

A solution of an equation just means that the point lies on the line.  We can find any y-value when we plug in a specific x-value.  For example, if we want to know what ordered pair lies at x=1, we just plug in y = -1/2(1) and solve for y which gives us -1/2.  This gives us an ordered pair of (1, -1/2).  We can continue to do this for any x value.

We can also reverse the order and plug in the y-value and get the x-value in order to accomplish the same goal but it's a bit harder.

Hope this helps!

6 0
2 years ago
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I need help ASAP ❗️❗️❗️
Mandarinka [93]
It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.
8 0
3 years ago
An unopened can of iced tea contains 350 cubic centimeters of liquid. if the can is 5 inches long and has a 0.8-inch diameter, w
Kazeer [188]
Volume of a cylinder= π r^2 h

.4= radius

π• 4^2 • 3= 150. 79
7 0
3 years ago
Am I correct? Please correct me if I'm wrong
laiz [17]

Answer:

Great job

Step-by-step explanation:

3 0
3 years ago
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