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ankoles [38]
3 years ago
6

What Property is this? a.b = b.a

Mathematics
2 answers:
daser333 [38]3 years ago
6 0

Answer:Commutative Property

Step by step explanation:

For multiplication, the rule is "ab = ba"; in numbers, this means 2×3 = 3×2.

marusya05 [52]3 years ago
6 0
Community property of multiplication
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The height of Mountain P is 1,086 feet.The height of Mountain Q is 4 times the height of Mountain P.The area model shown below r
earnstyle [38]

Answer:

A=4000, B=80, C=24

Step-by-step explanation:

You forgot to put the correct area model, I attached it to the answer.

We have the fact that Mountain Q is 4 times the height of Mountain P. That's the "4" we have in the left side of our model. It's like having a multiplication table, next to the "4" we have "A" and upper this we have "1000", the only thing we have to do is multiplify 4*1000=4000. The next letter we have is B and below it we have "320", we divided it by 4, 320/4=80. The last letter we have is C, and is below a "6", we only have to multiplify it by 4, 6*4=24.

At the end we only sum our

  • A + 320 + c = 4344 (4 times the height of Mountain P).
  • 1000 + B + 6 = 1086(the height of the Mountain P).

8 0
3 years ago
What the equivalent fraction 1/3
emmasim [6.3K]
2/6, 3/9, 4/12, 5/15, 6/18, 7/21, 8/24 etc.
7 0
4 years ago
Read 2 more answers
a father is 27 years older than his son. ten years ago he was twice as old as his son. how old is the father​
BlackZzzverrR [31]

Answer:

thus the father is 64 years and son is 37years

Step-by-step explanation:

Let father be X and son be y

X=27+Y...........(I)

X-10=2(Y-10)

putting the value of X from eqn(I)

27+Y-10=2Y-20

Y+17=2Y-20

17+20=2Y-Y

37=y

X=27+Y

X=64

7 0
3 years ago
Solve for x in the equation x^2-4x-9=29? x=2+/- squareroot 42 x=2+/-squareroot 33 x=2+/-squareroot 34 x=4+/-squareroot 42
jeka57 [31]
For this case what we must do is to use the formula of the resolvent in the following way:
 x = (- b +/- root (b ^ 2 - 4 * a * c)) / (2 * a)
 Where,
 a = 1
 b = -4
 c = -38
 Substituting the values:
 x = (- (- 4) +/- root ((- 4) ^ 2 - 4 * 1 * (- 38))) / (2 * 1)
 x = (4 +/- root (168)) / 2
 x = (2 +/- root (42))
 Answer:
 x = 2 +/- squareroot 42
3 0
4 years ago
What is (2 x10^-3) x (4x10^4)?
Rasek [7]

top left choice is correct. 0.002 g is 10^(-3) time the approximate number of seed in the jar 4*10^4 (40000) = 10

6 0
3 years ago
Read 2 more answers
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