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irina1246 [14]
3 years ago
14

Can you please Simplify 4a+7b+5a-b

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Answer:

9a+6b

Step-by-step explanation:

4a+7b+5a-b

First figure out the  a's 4a + 5a = 9a

Then do b's (Remember, if there is no number by the letter then it is 1)

7b - 1b = 6b

So for this to be simplified the answer is 9a+6b

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Select all of the ordered pairs that make the inequality y > x2 + 3x – 4 true. (0, 0) (2, 1) (–2, –1) (–5, –1)
fredd [130]
The correct answers are:
___________________________________________________
   [A]:   " (0, 0) " ;   <u>AND</u>:
___________________________________________________
   [C]:  " (-2, -1) " .
___________________________________________________

Explanation:
___________________________________________________

[A]:  " (0, 0) " ;  is correct; 

Since, when "x = 0"  and y = 0 : 

"0 <span> > - 4 " ; which is correct.
</span>___________________________________________________
  [B]:  "(2, 1)" is incorrect,  since:

when "x = 2" and "y = 1" ; 

" 1 > 6"  ; is incorrect.
___________________________________________________
[C]:  "(-2, -1)" ; is correct;

Since, when "x = -2" and y = -1" ; then:

   "-2 <span> > -6 ; which is correct.
</span>___________________________________________________
[D]:  " (-5, -1) " ;  is INCORRECT.

 since when "x = -5" and "y = -1 ;

then:  -1 > 6 ; which is INCORRECT. 
___________________________________________________
8 0
3 years ago
What is the percent of increase from 40.6 to 81.2?
crimeas [40]

Answer:

50?

Step-by-step explanation:

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6 0
2 years ago
Which expressions are equivalent to 2(25)?
nordsb [41]
The two on the bottom
7 0
2 years ago
Read 2 more answers
How to graph y = 2|x + 3| - 4
mr_godi [17]

The x-intercepts and the y-intercepts of the function is that determines the graph is:

  • x-intercepts = (-5,0) and (-1,0)
  • y-intercepts = (0,2)

<h3>How do we graph the function y = f(x) of an absolute equation?</h3>

The function of an absolute equation can be graphed by determining the values of x-intercepts and the y-intercepts of the function.

From the given equation:

y = 2|x+3| - 4

To determine the y-intercepts, we need to set the values of x to zero, and vice versa for x-intercepts.

By doing so, the x-intercepts and the y-intercepts of the function is:

  • x-intercepts = (-5,0) and (-1,0)
  • y-intercepts = (0,2)

Therefore, since we know the x and y-intercepts, the graph of the absolute value can be seen as plotted below.

Learn more about determining the graph of an absolute equation here:

brainly.com/question/2166748

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8 0
1 year ago
If the average (arithmetic mean) of 10,20,30,40, and x is 60, what is the value of x​
Lilit [14]

60 =  (10 + 20 + 30 + 40 + x)/5

300 = 100 + x

x = 200

Answer: 200

8 0
2 years ago
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