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4 years ago

Some one help pleasee

Mathematics

2 answers:

Akimi4 [234]4 years ago

5 0

Substitute 1 in ever equation and solved
8(1) +6 =14
(1)+6=7 etc etc

Aneli [31]4 years ago

4 0

Answer:

see explanation

Step-by-step explanation:

Substitute n = 1 into each of the expressions

8n + 6

= 8(1) + 6

= 8 + 6

= 14

2(4n + 3)

= 2(4(1) + 3)

= 2(4 + 3)

= 2(7)

= 14

14n

= 14(1)

= 14

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X^4-28x^2=0 solve algebraically

Paha777 [63]

$x^4 - 28x^2 = 0$

$x^2(x^2 - 28) = 0$

$x^2 = 0 \ \ or \ \ (x^2 - 28) = 0$

$x = 0 \ \ or \ \ x^2 = 28$

$x = 0 \ \ or \ \ x = \pm \sqrt{28}$

$x = 0 \ \ or \ \ x = \pm2 \sqrt{7}$

---------------------------------------------------
Answer : x = 0 or 2√7 or -2√7
---------------------------------------------------

8 0

3 years ago

What is the area of each semicircle of the following composite figure?

Alina [70]

It will equal 22.5 since you need to multiple

3 0

3 years ago

(7x-y=7<br>(x+2y=6 estimate the solution to the system of equations

jolli1 [7]

Multiply the first equation by 2 to then use elimination by adding the 2 equations.

So, 14x-2y=14

+. x+2y=6

Equals 15x=20 so x=20/15=4/3

Plug in to first equation to get y

7(4/3)-y=7

28/3-y=7

28/3-y=21/3

So y=7/3

Plug both x and y into second equation to check

4/3+2(7/3)=

4/3+14/3=18/3=6 it works

So x=4/3, y=7/3

Hope this helps! Have a blessed day!

8 0

4 years ago

32/56 = x/7 what is the answer please bestie

andrezito [222]

Answer:

4/7

Step-by-step explanation:

32/56 = 4/7

5 0

3 years ago

Read 2 more answers

Help me please I could really use it!!!!

lyudmila [28]

It is A because you subsitute the x in the equation A) (2x-8)(7x+5)=0 x=4 x=5,7 (fraction)
subtitute the x now and you get
(2(4)-8)(7(-5,7)+5) = 0

5 0

3 years ago

Some one help pleasee​

Some one help pleasee