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AfilCa [17]
3 years ago
15

Identify which property off addition could be used to solve the following problem. Solve the problem and justify how using the p

roperty makes the problem easier to solve.
(5.9 + 3.2) + 1.8
Mathematics
1 answer:
alexira [117]3 years ago
3 0

10.9 is the answer because you add what’s in the parentheses (5.9+3.2) which would give you 9.1 you then add 9.1+1.8 and get your answer 10.9.

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Simplify -2xy+3x-2xy+3x<br><br> A. 4xy-6x<br><br> B. -4xy+6x<br><br> C. 4xy+6x<br><br> D. 2xy
k0ka [10]

-2xy+3x-2xy+3x

-2xy-2xy+3x+3x ( combine like terms)

-2xy-2xy=-4xy

3x+3x=6x

-4xy+6x

Answer: B. -4xy+6x

8 0
3 years ago
Three points, A, B, and C exists in space such that B is "between" A and C. It is known that AB=7, BC=4, and AC=9. Are points A,
LenKa [72]
Two or more points are said to be collinear if they lie on the same straight line.

Given a straight line XY, with a point P on the straight line between point X and Y, then
XP + PY = XY

From the question, it was given that AB = 7 and BC = 4, so if A, B, C are colinear, then
AB + BC = AC
i.e. 7 + 4 = 11

But, from the equation, AC = 9.

Therefore, points A, B and C are not collinear.
7 0
3 years ago
Fellow 9. What is the distance between (-3, 4) and (5, 1)?
zhannawk [14.2K]

Answer: The exact distance is \sqrt{73} units

The approximate distance is roughly 8.5440037 units

===========================================================

Explanation:

Use the distance formula

(x_1,y_1) = (-3,4)\\\\(x_2,y_2) = (5,1)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-3-5)^2 + (4-1)^2}\\\\d = \sqrt{(-8)^2 + (3)^2}\\\\d = \sqrt{64 + 9}\\\\d = \sqrt{73}\\\\d \approx 8.5440037\\\\

As an alternative, you can use the pythagorean theorem.

7 0
3 years ago
Anyone good with this problem! pls help , due in 16.
nikitadnepr [17]
Its the second one yeah im pretty sure
4 0
3 years ago
What is the value of x?
kap26 [50]
FSJ is similar to DYJ

DY || FS

42/63 = 50/x

2/3 = 50/x

x = 75
3 0
4 years ago
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