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IgorC [24]
3 years ago
9

Abraham told his friends to try and guess his number. He said that when you take his number and multiply it by 4 and add 12 you

will get 100. What is the number that he is thinking of?
A=88 B=28 C=22 D=4
Mathematics
2 answers:
lisov135 [29]3 years ago
8 0

Answer:

C) 22

Step-by-step explanation:

I have set up an equation based off of what Abraham said.

(n*4)+12=100\\\\4n+12=100\\\\4n+12-12=100-12\\\\4n=88\\\\\frac{4n=88}{4}\\\\\boxed{n=22}

The number should be 22.

Hope this helps.

Hope this helps.

LenaWriter [7]3 years ago
4 0

Answer:

C.)22

Step-by-step explanation:

I had this on my Test so yeah

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musickatia [10]

Answer:

  • -5, -18
  • -5x -18x
  • (x -3)(6x -5)

Step-by-step explanation:

a) The factors of 90 are ...

  90 = (-1)(-90) = (-2)(-45) = (-3)(-30) = (-5)(-18) = (-6)(-15) = (-9)(-10)

The sums of these factors are -91, -47, -33, -23, -21, -19.

The factor pair with the sum of -23 is of interest here. Those factors are ...

  -5, -18

__

b) -23x = -5x -18x

__

c) The rewritten expression is ...

  6x^2 -5x -18x +15

  (6x^2 -5x) -(18x -15) . . . . group into pairs

  x(6x -5) -3(6x -5) . . . . . . .factor each pair

  (x -3)(6x -5) . . . . . . . . . . factor out the common factor (6x -5)

6 0
3 years ago
in a jumping contest marcus jumped 1.02 meters Gustavo jumped 1.29 meters and Loreena jumped 1.202 meters. Who won the jumping c
german
Gustavo won, this question tries to trick you by adding more digits to Loreena.
3 0
3 years ago
Please answer it now in two minutes
Maurinko [17]

Answer:

17.5

Step-by-step explanation:

27+4x+8=6x

27+8=6x-4x

35=2x

x=35/2=17.5

8 0
3 years ago
Read 2 more answers
I'm am very confused with this question.
stich3 [128]

Answer:

  • 103°

Step-by-step explanation:

  • <em>This is a cyclic quadrilateral (all vertices on the same circle)</em>

<u>Opposite angles are supplementary:</u>

  • ∠A +  ∠C = 180°
  • ∠B +  ∠D = 180°

<u>Find x:</u>

  • x + 5 + x - 7 = 180°
  • 2x - 2 = 180°
  • 2x = 182°
  • x = 91°

<u>Find D:</u>

  • ∠D = x - 14°
  • ∠D = 91° - 14° = 77°

<u>Find B:</u>

  • ∠B = 180° - 77° = 103°
6 0
2 years ago
Convert 4.138138 to a fraction
ioda

Answer:

4.138138=469069/500000

Step-by-step explanation:

7 0
3 years ago
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