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neonofarm [45]
4 years ago
14

R - 31b ÷ 32 + x\821d + 14I need help. please, I don't understand

Mathematics
1 answer:
lawyer [7]4 years ago
3 0

You cant solve these if they are not equating up to something hence incomplete question.

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Solve simultaneously <br> 3x + 4y = 2 and 4x - y = 9
Contact [7]

Answer:

x=2

y= -1

Step-by-step explanation:

3 0
3 years ago
Asif wants to rewrite 28+49 using the greatest common factor and the distributive property
Papessa [141]

Answer:

Step-by-step explanation:

28 = 7 *4

49 = 7 * 7

GCF = 7

28 + 49 = (7*4) + (7*7)

             = 7*(4 + 7)

5 0
3 years ago
Missy did this work to solve an equation. Did she make an error?
STatiana [176]

Answer: yes, she did made an error, a very big mistake.

Step-by-step explanation:

first, we have varieties of ways in which we can use to solve this, the most important thing is to stick to the mathematical rules of solving any equations.

using the most simpler method

-4x + 11 = 6x + 1

collect like ter

-4x -6x = 1 - 11

-10x = -10

divide bothside by -10

-10x/-10 = -10/-10

x=1

secondly, using the method she is intending to use, its more easier to subtract 6x from bothside

-4x + 11 = 6x +1

-6x -6x

_______________

-10x + 11 = 1

-10x = 1-11

-10x = -10

x = 1

or still we can doing it exactly as she did, but it will take us through a long way i.e by adding +6

-4x + 11 = 6x + 1

+6x +6x

_______________

2x +11 = 12x +1

2x-12x = 1-11

-10x=-10

x=1

4 0
3 years ago
Read 2 more answers
I really need hel, please help​
MariettaO [177]

Answer:

1. 3(x-4)-9= 3

  3x-12-9=3

  3x-21=3

  3x=24

  x=8

2. x=6

3. x=8

4. x=2

5 0
3 years ago
Read 2 more answers
Which statement best explains the relationship between
-Dominant- [34]

Answer: They are not perpendicular because their slopes are  not negative reciprocals.

Step-by-step explanation:

For these two lines to be perpendicular, their slopes have to be negative reciprocals.

Slope of FG.

F = (-4, 1)

G = (0, -2)

= (Y₂ - Y₁) / (X₂ - X₁)

= (-2 - 1) / (0 + 4)

= -3/4

Slope of HJ

J = (0 , 4)

H = (-4, -2)

Slope =  (Y₂ - Y₁) / (X₂ - X₁)

= (-2 - 4) / (-4 -0)

= 6/4

= 3/2

<em>The slopes of these lines are not negative reciprocals so these lines are not perpendicular. </em>

4 0
3 years ago
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