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krok68 [10]
3 years ago
9

How do I solve 4(2+3)-(6+1)+2

Mathematics
1 answer:
nikitadnepr [17]3 years ago
6 0

Answer: You use the rules of PEMDAS   Parenthesis, Exponents, Multiply, Divide, Add, Subtract

Step-by-step explanation: First solve all equations inside of the parenthesis, so the equation becomes 4(5)-7+2

Then you multiply and the 4 by 5 and the equation becomes  20-7+2

Then you do all the adding and it becomes 20-9

Then subtract and you get 11

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Write the standard form for the scientific notation. please help fast!!!
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Multiplication by 10ⁿ → move decimal n places to the right.

Multiplication by 10⁻ⁿ → move decimal n places to the left.

For n ∈ N

6 0
2 years ago
Find the value of x <br> A) 6.0<br> B) 7.7<br> C) 60<br> D) 12
galben [10]

Answer:

D 12

Step-by-step explanation:

The product of the lengths of the segments of one chord equal the product of the segments of the other.

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4 0
3 years ago
Riko wants to find the distance between the points (−2, −3) and (2, −5). His work is shown. StartAbsoluteValue negative 3 EndAbs
swat32

Answer:

<em>Riko is wrong because she uses the wrong formula.</em>

Step-by-step explanation:

Given the coordinate points (-2, -3) and (2, -5)

We are to find the distance between the two points

Using the formula:

D = √(x2-x1)²+(y2-y1)²

From the coordinates x1 = -2, y1 = -3, x2 = 2 and y2 = -5

Substitute

D = √(2-(-2))²+(-5-(-3))²

D= √(4)²+(-2)²

D = √16 + 4

D = √20

D = √4*√5

D = 2√5

<em>This shows that Riko is wrong because she uses the wrong formula.</em>

7 0
2 years ago
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Answer:

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3 years ago
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nadya68 [22]
It's should be 5 cause I don't know
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3 years ago
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