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serg [7]
3 years ago
15

Which equation is correct? 52 × 7 = 500 × 7 + 2 × 7 52 × 7 = 50 + 2 × 7 52 × 7 = 50 × 7 + 2 × 7 52 × 7 = 50 × 7 + 2

Mathematics
2 answers:
solong [7]3 years ago
7 0

Answer:

I do not know??!!!!!!!!!!!!!!

wariber [46]3 years ago
4 0

Answer:

3) 52 x 7= 50 x 7 + 2 x 7

Step-by-step explanation:

Just make sure you follow the rules of PEMDAS, solve left to right.

1) 52 x 7= 500 x 7 +2 x 7

52 x 7= 364

500 x 7= 3,500

2 x 7= 14

3,500 + 14= 3,514

364 does not equal 3,514!

So this one is not correct!

2) 52 x 7= 50 + 2 x 7

52 x 7= 364

2 x 7= 14

14 + 50= 64

364 does not equal 64!

So this one is not correct!

3) 52 x 7= 50 x 7 + 2 x 7

52 x 7= 364

50 x 7= 350

2 x 7= 14

350 + 14= 364

364= 364 so this one is correct!

Just to make sure:

4) 52 x 7= 50 x 7 + 2

52 x 7= 364

50 x 7= 350

350 + 2= 352

364 is not equal to 352!

So this one is not correct!

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3 years ago
A test requires that you answer either part A or part B. Part A consists of 7 true-false questions, and part B consists of 5 mul
jeka94

Answer: 3253

Step-by-step explanation:

Given : A test requires that you answer either part A or part B.

Part A consists of 7 true-false questions.

i.e.  there are 2 choices to answer each question.

Now, the number of ways to answer Part A : 2^7=128    (1)

Part B consists of 5 multiple-choice questions with one correct answer out of five.

i.e.  there are 5 choices to answer each question.

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Now, the number of  different ways to completed answer sheets are possible=  128+3125=3253          [Add (1) and (2) ]

5 0
4 years ago
(5m 2 - 2m + 1)(3m - 4)
nirvana33 [79]
15m ^3 - 26m^2 +11m - 4 is the result of the product.

(5m^2 -2m +1)(3m-4)
On opening the bracket, we multiply the terms,
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When we mutiply the two equations.
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4 years ago
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