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EleoNora [17]
3 years ago
15

A number added to the difference between triple the number and thirteen ​

Mathematics
1 answer:
cricket20 [7]3 years ago
5 0

Answer:

4x-13

Step-by-step explanation:

Let the number is x.

We know that triple of a number is 3 times that number i.e. 3x

The difference between triple the number and thirteen ​3x-13

Now, we need to add a number to the difference between triple the number and thirteen. So, the expression can be written as :

x+3x-13 = 4x-13

Hence, the expression is  (4x-13).

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The answer is 39 if rounded it is 40
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4 years ago
Twice the difference of a number 2 and 5 is ?
alexandr1967 [171]

Answer:

<u>n= 4.5</u>

Step-by-step explanation:

The equation is:2(n-2)=5

Step 1- You need to do the parentheses.

The new equation is:

2n-4=5

Step 2-Next you add 4 to both sides of the equal sign.

The new equation is:

2n=9

Step 3- Now you divide by 2 into both sides and get the answer.

Answer:

<u>n=4.5</u>

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3 years ago
Tony is flying from Los Angeles to Boston. His plane ticket costs $605 and the total flight distance is 3,052 miles. What is the
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Answer:

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605/3052 is around 0.198, which rounds to 0.20.

8 0
3 years ago
BDсStatementsReasons1. AB || CDAC || BD1. GivenIf two parallel lines are cut by a transversal, then:2. ZABC ZBCDLACB LDBC2.1-13.
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The diagram shows statements to prove that both triangles are congruent.

Hence;

\begin{gathered} (2) \\ \angle ABC\cong\angle BCD \\ \angle ACB\cong\angle DBC \\ Alternate\text{ interior angles are congruent } \end{gathered}\begin{gathered} (3) \\ BC\cong BC \\ \operatorname{Re}flexive\text{ property} \end{gathered}\begin{gathered} (4) \\ \Delta ACB\cong\Delta DBC \\ \text{Side}-\text{Angle}-\text{Side} \end{gathered}

Step 1 showed two sides that are congruent for both triangles

Step 2 showed two angles that are congruent

Step 3 showed two sides that are congruent

Therefore, the triangles are congruent by the side-angle-side theorem

6 0
2 years ago
Sam is saving for a guitar. He already has $50 saved and intends to save $30 each week. Sam found a guitar that costs $410. Afte
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Answer:

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30 x 12 = 360

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I hope this helps!!

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