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PolarNik [594]
3 years ago
9

Use the distributive property to solve : 20 (30 - 15) =

Mathematics
2 answers:
vitfil [10]3 years ago
7 0

Answer: 300

Step-by-step explanation: The distributive property tells us that when there's a number outside a set of parentheses, you can multiply it times each of the terms that are inside the set of parentheses and then add those products together.

So in this problem, we can multiply 20 (30) - 20 (15) which simplifies to 600 - 300 which is 300.

astraxan [27]3 years ago
4 0

Answer:

the distribute property is basically taking the number outside the parenthesis and multiplying with the numbers inside each by each.

Step-by-step explanation:

20(30-15)

20×30= 600, and 20×15=300

finally you just use the new numbers and solve the solution which is 600-300. The answer is 300

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THIS QS with explanation sum
Anestetic [448]

Answer:

X = 276°

Step-by-step explanation:

Divide X into x1 and x2

then then using the trick of co-interior angles, find the answer of x1 and x2 . then add x1 and x2

6 0
3 years ago
Chris is working on math homework. He solves the equation m/6=48 and says that the solution is m=8. Do you agree or disagree wit
vredina [299]

Chris is incorrect. To check the answer, replace m with 8 and simplify the left side. So m/6 turns into 8/6 which converts to the decimal value 1.333 (use a calculator)

Therefore the original equation m/6 = 48 becomes 1.333 = 48 after you plug in m = 8 and simplify fully. The two sides of 1.333 = 48 are not the same, so m = 8 is not the solution.

--------------------

The solution is actually 288 and we can prove it so like this

m/6 = 48

288/6 = 48 .... replace m with 288

48 = 48 .... use a calculator to compute 288/6

So the solution m = 288 is confirmed

------------------

How did I get this answer? By multiplying both sides by 6

m/6 = 48

6*(m/6) = 6*48 ..... multiply both sides by 6

m = 288

So Chris mistakenly divided both sides by 6, which explains how he got 48/6 = 8 as the solution. Instead he should have multiplied both sides by 6. This is to undo the operation "divide by 6" that is being applied to m in the original equation.

7 0
4 years ago
Is (1, 7) a solution to this system of inequalities? y < x + 8 y ≤ 6x + 1
baherus [9]
Yes, (1,7) is a solution.
(x,y)

y < x + 8
y ≤ 6x + 1

7<1+8 = 7<9 Yes, true.
7≤6(1)+1 = 7≤ 7 Yes, true.


Yes, (1,7) is a solution to the inequalities.
8 0
3 years ago
Can someone please help first answer gets brainlist
OLga [1]

Answer:

3/5

Step-by-step explanation:

0.6 is actually 6/10 as a fraction. You divide bot the 6 and the 10 by 2 to get 3/5

3 0
3 years ago
4 2/3 divided by 1/2
dimulka [17.4K]

Answer:

9.33333333333

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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