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olga55 [171]
3 years ago
13

Help with last math question!! Will mark and star!! ⚓ (>‿◠)✌

Mathematics
2 answers:
muminat3 years ago
6 0
The answer is either B or D
Vanyuwa [196]3 years ago
4 0
The domain is simply the interval of x values...

-2<x<4
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On Monday, Anya read 11 pages of a book in 1/2 hour. On Tuesday, she read 18 pages in 3/4 hour. Did Anya's reading speed increas
Lerok [7]
The way you should go about solving this really depends on how your teacher taught you...However, here's what I would recommend...
You know that 1/2 an hour is equal to 30 minutes, and 3/4 of an hour is equal to 45 minutes.
Using this you can  then solve for how many pages she read per minute by dividing the number of pages read by the number of minutes read:11 pages/ 30 minutes to give you Monday's reading speed,and18 pages/ 45 minutes to give you Tuesday's reading speed.

Next, to calculate a percentage increase you need to do the following:
1. Determine the difference between the speeds (this means you will subtract Monday's reading speed from Tuesday's reading speed.)
2. Next you take that number and divide it by Monday's reading speed.
3. Multiply that answer by 100 to get the percentage.

I'm not going to tell you the speeds, as you should try to attempt to solve it by yourself, and I'm sure you need to show your work. I will however tell you that you should find there was a 3.3% increase from Monday to Tuesday.

If you need more help, let me know!  
4 0
2 years ago
Someone please help!! I’ll give brainliest:))
Allisa [31]
I’ve attached my work...
Hope it helps! Have a nice day :)

8 0
3 years ago
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
2 years ago
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TRUE or FALSE?<br><br> 1.) If x = -3, then the value of 4x + 5 is 17.
Strike441 [17]
<h2>I think it's <u>false</u></h2>

<h2><u><em>I</em><em> </em><em>hope</em><em> </em><em>it's</em><em> </em><em>helpfull </em><em>for</em><em> you</em></u></h2>
8 0
3 years ago
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Is there a way I can delete this account? I'm leaving brainly
DENIUS [597]

Answer:

You can delete your account by going to your Profile Settings >> Privacy and clicking on the I want to delete my account<em> </em>box. Doing so submits a request for your account to be deleted.

4 0
3 years ago
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