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abruzzese [7]
3 years ago
11

5+4=9 is what property law​

Mathematics
1 answer:
mariarad [96]3 years ago
6 0
It is the commutative property since you can switch 5 and 4 around but still get the same answer (9).
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If y=mx, and y is 12 when x is 4, then what is the constant of proportionality in this equation?A. 1/3B. 3C. 8D. 16
Anna007 [38]
\begin{gathered} y=mx\text{  when  x=4 and y=12} \\ 12=m(4) \\ 4m\text{ =12} \\ m=\frac{12}{4}=3 \end{gathered}

The constant of proportionality,m, is 3 (option B)

5 0
1 year ago
Please answer this question I'm giving 12 points worth of this question. The question is " A box contains 40 marbles that are re
nirvana33 [79]

There is 14 green marbles because

2/5 = 16 blue marbles

1/4 = 10 red marbles so 16+10= 26 & 40-26=14

8 0
4 years ago
WILL MARK BRAINLIEST HELP ASAP ASAP
KATRIN_1 [288]

Answer:

A. 3/2

Step-by-step explanation:

When two exponents have the same base, you can cancel the bases and set the exponents equal to each other

3x-2=x+1

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3 0
3 years ago
Read 2 more answers
What is the equation in point−slope form of the line passing through (1, 2) and (2, 5)? (5 points) Group of answer choices (y −
vredina [299]

Answer using slope formula:

\frac{y2-y1}{x2-x1}

We can find the slope.

Substitute:

\frac{5-2}{2-1}

Subtract:

\frac{3}{1}

\frac{3}{1}= 3

Our slope is 3.

Now we will use Point Slope formula:

y-y1=m(x-x1)

To find our equation.

I will use the first ordered pair, (1,2).

Substitute:

y-2=3(x-1)

Your answer is C. (y − 2) = 3(x − 1).

Hope this helped! :)

7 0
3 years ago
The graph below represents the system of equations 3x+4y=12 and 2x-y=8. A coordinate grid with 2 lines. One line passes through
algol13

Answer:

(C) (4,0)

Step-by-step explanation:

Given the graph which represents the system of equations:

3x+4y=12; and

2x-y=8.

  • One line passes through (0, 3) and (4, 0).
  • The other line passes through (2, -4) and (4, 0).

From the points given, both lines pass through the point (4,0).

Therefore, the ordered pair which is a solution to the system of equations is (4,0).

The correct option is C.

8 0
3 years ago
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