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Zielflug [23.3K]
3 years ago
15

Which choice is appropriate simplified form and restriction for the variable (x+3)(x+7)/3x+21

Mathematics
1 answer:
bekas [8.4K]3 years ago
4 0
C. I used the app math way. it has been a lifesaver.
You might be interested in
Question 7 )
soldier1979 [14.2K]

<em>Answer:</em>

<u>Tony</u> has 45 dollars  

<u>Milan</u> has 15 dollars

<u>Lucy</u> has 25 dollars

<em>Explanation:</em>

<u>Let </u><u><em>x</em></u><u> represent the amount of money Milan has in his wallet.</u>

TONY: 3x

MILAN: x

LUCY: x+10

<u>Lucy, Milan, and Tony have a total of $85 in their wallets. Hence, the following equation.</u>

<u />

3x+x+x+10=85

5x+10=85

5x=75

x=75/5

x=15

Tony has 45 dollars (3*15=45)

Milan has 15 dollars (x=15)

Lucy has 25 dollars (10+15=25)

7 0
2 years ago
What is the value of the expression given below? (8-3i)-(8-3i)(8+8i)
enyata [817]

Answer:

-76-43i

Step-by-step explanation:

First expand the multiplied terms

8-3i-(64+64i-24i+24)

8-3i-(64+40i+24)

Simplify

8-3i-64-40i-24

-76-43i

6 0
3 years ago
Read 2 more answers
At most, Kyle can spend $50 on sandwiches and chips for a picnic.
trapecia [35]

Answer:

21

Step-by-step explanation:

hihihihihiiiiiiiii

8 0
3 years ago
-34 &gt; -10 + 4x<br> Help ASAP
irga5000 [103]

Step-by-step explanation:

-34 > -10 + 4x

-24 > 4x

x < -6.

7 0
3 years ago
Read 2 more answers
PPLS HELP my maths watch due tomorrow please help me
ehidna [41]

Answer:

x=0,-1 and x=

​

​ x=\frac{2+\sqrt{10}}{3},\frac{2-\sqrt{10}}{3}x=

​3

​​  

​​  

Step-by-step explanation:

1 Cancel 2 on both sides.

3{x}^{2}+3x=03x

​2

​​ +3x=0

2 Factor out the common term 3x3x.

3x(x+1)=03x(x+1)=0

3 Solve for xx.

x=0,-1x=0,−1

1 Move all terms to one side.

3{x}^{2}-3x-1-x-1=03x

​2

​​ −3x−1−x−1=0

2 Simplify  3{x}^{2}-3x-1-x-13x

​2

​​ −3x−1−x−1  to  3{x}^{2}-4x-23x

​2

​​ −4x−2.

3{x}^{2}-4x-2=03x

​2

​​ −4x−2=0

3 Use the Quadratic Formula.

x=\frac{4+2\sqrt{10}}{6},\frac{4-2\sqrt{10}}{6}x=

​6

​

​4+2√

​10

​

​​  

​​ ,

​6

​

​4−2√

​10

​

​​  

​​  

4 Simplify solutions.

x=\frac{2+\sqrt{10}}{3},\frac{2-\sqrt{10}}{3}x=

​3

​

​2+√

​10

​

​​  

​​ ,

​3

​

​2−√

​10

​

​​  

​​  

7 0
3 years ago
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