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ivolga24 [154]
3 years ago
7

Find each sum or difference. Show your work. (4x-3x^2+5)+(2x^2-5x+1) Plz help!

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0
<span>(4x - 3x</span>²<span> + 5) + (2x</span>²<span> -5x + 1)  

</span>= 4x - 3x² + 5 + 2x² - 5x + 1    //Open brackets

= -x² - x  + 6                           //Combine like terms
MissTica3 years ago
6 0
Hey there  :)

( 4x - 3x² + 5 ) + ( 2x² - 5x + 1 )

Combine like-terms

- 3x² + 2x² + 4x - 5x + 5 + 1
- 1x² - 1x + 6
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Can anyone help me with this please!!? I’ll mark you brainliest!!
djverab [1.8K]

Answer:

each square is 5". the base is 4x4 squares- so 20 inches square. 20x20= 400sq inches.

the semicircle at the top is 20 inches in diameter, which makes the radius 10 inches.

pi× 10^2= 314.16.

duvide that by 2 to get a semicircle- 157.8

so, the total area is the 400+ 157.8, for a total area of 557.8 square inches

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2 years ago
Helpppp plzzz<br> Thank you
kaheart [24]

Answer:

a) GCF = 8

Step-by-step explanation:

b)

7 0
2 years ago
Help! I can’t find the answer anywhere!
Mashcka [7]

Answer:

wowza

Step-by-step explanation:

that looks hard

7 0
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Read 2 more answers
Divide r+5/r^2+5r-14 by r^2+4r-21/r-2
sergey [27]
<span>      r+5                 </span><span>r^2+4r-21
</span><span>-------------- /   --------------------
r^2+5r-14               </span><span>r-2

</span>          r+5                     r-2
= --------------  x   --------------------
    r^2+5r-14           r^2+4r-21

          r+5                     r-2
= --------------  x   --------------------
    (r+7)(r-2)           (r+7)(r-3)


          r+5                     
= -----------------
    (r+7)^2 (r-3)           
7 0
3 years ago
How do I graph this?​
vfiekz [6]

See attachment of the graph of the inequalities x + 7y ≤ 49 and 6x + y ≤ 48

<h3>How to graph the inequalities?</h3>

The inequalities are given as:

x + 7y ≤ 49

6x + y ≤ 48

The domain and the range are:

x ≥ 0

y ≥ 0

This means that, we plot the inequalities x + 7y ≤ 49 and 6x + y ≤ 48 under the domain and the range x ≥ 0 and y ≥ 0

See attachment of the graph of the inequalities x + 7y ≤ 49 and 6x + y ≤ 48

Read more about inequalities at:

brainly.com/question/25275758

#SPJ1

6 0
1 year ago
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