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Mathematics

2 answers:

alexandr402 [8]2 years ago

6 0

Answer:

Thanks :3

Have a good day!

kaheart [24]2 years ago

3 0

Answer:

Hello I hope the answer (5 hours) to the last question helped:)

Step-by-step explanation:

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Factorise the following expressions.

Setler79 [48]

Answer:

Q.1 a²+10a+24

splitting the middle.

a²+6a+4a+24

=a(a+6)+4(a+6)

(a+6)(a+4)

Q.2 x²+9x+18

splitting the middle

x²+6x+3x+18

x(x+6)+3(x+6)

(x+6)(x+3)

3 0

3 years ago

If D is the midpoint of CE, CD= 9x-7, and DE= 3x+17, find CE

tatuchka [14]

Hello!

Since D is the midpoint and the two equations are and both sides of point D the equations equal each other

9x - 7 = 3x + 17

Now you solve it algebraically

Add 7 to both sides

9x = 3x + 24

Subtract 3x from both sides

6x = 24

Divide both sides by 6

x = 4

Now we put this into both equations and add them

9(4) - 7 = 29
3(4) + 17 = 29

29 + 29 = 58

The answer is 58 units

Hope this helps!

3 0

3 years ago

Jason solved the following equation to find the value for x.

Ainat [17]

Plug in 6.5 for x.
-8.5x-3.5x=-78
-8.5(6.5)-3.5(6.5)=-78
-55.25-22.75=-78
-78=-78

5 0

1 year ago

Solve x-3/6 divided by 3-x/2 Please show work

Nataly_w [17]

$\cfrac{x-3}{6}: \cfrac{3-x}{2} = -\cfrac{3-x}{6}*\cfrac{2}{3-x} =- \cfrac{2}{6}=- \cfrac{1}{3}$