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PilotLPTM [1.2K]
2 years ago
13

Help 50 points and brainlest only if you answer all the questions

Mathematics
2 answers:
klasskru [66]2 years ago
6 0

Answer: See below

Step-by-step explanation:

a) 6(3x+4y-8)

Use the distributive property:

6*3x + 6*4y - 6*8

18x + 24y - 48

<u>So D is the correct answer</u>

b) Factor out 4 because it can fit into 12 - 3 times - and 4 - one time.

12+4x

= 4(3+x)

<u>So D is the correct answer</u>

c) When you expand both <u>C and D</u> and simplify, you get 16x+36 as solution

d) 14x+2y+10z

Factor out 2 because it can fit into 14, 7 times. 2, one time. And 10, 5 times

14x+2y+10z

= 2(7x+y+5z)

<u>So D is the correct answer again ;)</u>

mihalych1998 [28]2 years ago
6 0

Answer:

18x+24y-48,

4(3+x),

x(16+36), 2(8x=18), 4(4x+9)

2(7x+y+5)

Step-by-step explanation:

I'll explain later if you want

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Goshia [24]
I'll help you out with 3 questions.
For #1, you kind of figured it out yourself
That 90 degree angle on paper means that m/1 and m/2 make up 90
If m1 is 50, then just subtract m1 (50) from 90, making it 40. m/2 is 40

If Angle M4 is 45 degrees then angle M3 is 180-45 since they both make up a 180 degree angle.

There are 180 degrees in a triangle
If m 8 = 78
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8 0
3 years ago
How to prove it equal 8?
iogann1982 [59]

Answer:

The answer equals -8

Step-by-step explanation:

Order of Operations: BPEMDAS

FOIL - First, Outside, Inside, Last

Step 1: Write out expression

(\sqrt{4-3i} -\sqrt{4+3i})^6

Step 2: Expand

(\sqrt{4-3i} -\sqrt{4+3i})(\sqrt{4-3i} -\sqrt{4+3i})(\sqrt{4-3i} -\sqrt{4+3i})(\sqrt{4-3i} -\sqrt{4+3i})(\sqrt{4-3i} -\sqrt{4+3i})(\sqrt{4-3i} -\sqrt{4+3i})

Step 3: FOIL first 2

(\sqrt{4-3i} -\sqrt{4+3i})^2 = -2

Step 4: Replace square roots with -2

-2(-2)(-2) = (-2)³ = 8

4 0
3 years ago
PLZ HELP ASAP!!
marin [14]

Answer:

7.8

Step-by-step explanation:

If all the scores of n students are the same, say x, then the average is

x*n/n, which is of course x.

5 0
3 years ago
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Which of the following correctly completes the square for the equation below? x^2 + 2x = 19
stepan [7]
I hope this helps you

5 0
3 years ago
1.22 x 10^6 over 1.5 x 10^7
kumpel [21]

Answer:

12.29

Step-by-step explanation:

1,220,000/15,000,000 is 12.29.

4 0
3 years ago
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