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storchak [24]
4 years ago
12

How do I slove this x+7=3

Mathematics
2 answers:
FinnZ [79.3K]4 years ago
7 0
Subtract 7 from both sides
x=-4
Goshia [24]4 years ago
7 0
x+7=3
isolate the x by subtracting 7 from both sides
x+7-7 =3-7
x=-4
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Solve the equation.<br> 67 + 7 - 8r - 15<br> help pls .
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Step-by-step explanation

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3 years ago
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What is the area of this composite shape? Enter your answer in the box. In².
vladimir2022 [97]

The area of the composite shape is the sum of the area of the triangle and the area of the rectangle. The area of the composite shape is 53 in².

<h3>What is Geometry?</h3>

It deals with the size of geometry, region, and density of the different forms both 2D and 3D.

The composite is made up of triangles and rectangles.

The area of the composite shape will be the sum of the area of the triangle and the area of the rectangle.

The area of the triangle will be

\rm  Area\ of\ the\ triangle = \dfrac{1}{2} * 5 * 2\\\\Area\ of\ the\ triangle = 5

The area of the rectangle will be

\rm  Area\ of\ the\ rectangle= 8*6\\\\Area\ of\ the\ rectangle = 48

The area of the composite shape is 48 + 5 = 53.

The area of the composite shape is 53 in².

More about the geometry link is given below.

brainly.com/question/7558603

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3 years ago
Perform the following operations and prove closure. Show your work.
kotykmax [81]

Answer:

this question is too lengthy

4 0
3 years ago
Mona has invested $2840 in a savings account for 6 years. She earned $894.60 in a simple interest. What was the annual interest
forsale [732]

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The annual interest rate was 5.25%.

Step-by-step explanation:

Simple interest can be calculated using the following formula:  I = PRT, where I=simple interest, P=principal amount, R=percentage rate and T=time.  In this problem, Mona started with a principal amount of $2840, or P=2840 and invested for 6 years, or T=6, to gain simple interest in the amount of $894.60, or I=894.60.  When we put in the values for our variables in the equation, we get:  894.60 = (2840)(6)R.  Multiplying 2840 x 6 = 17040 and gives us:  894.60 = 17040R.  Using inverse operations to isolate the variable, we divide both sides by 17040 to get R=0.0525.  Since the rate is a percentage, we need to multiply our answer by 100 to get 5.25%.  

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3 years ago
Phan chose an Internet service that charges
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He used the internet service for 50 minutes that month.

Step-by-step explanation:

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