2 years ago

Solve the following equation? 6x-9+5x+8=4x+9+7x-10

Mathematics

1 answer:

kaheart [24]2 years ago

6 0

I’m not sure what you’re looking for but I got 11x - 1 = 11 x - 1 and the statement is true

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a scale drawing of a building needs to be made using the scale 1 in = 190 ft. how tall will the builging in the scale drawing be

Artist 52 [7]

Answer:

$\boxed{\text{3 in}}$

Step-by-step explanation:

1 in = 190 ft

x in = 570 ft

We can use ratio and proportion to solve this problem.

$\begin{array}{cccl}\dfrac{1}{x} & = & \dfrac{190}{570} & \\\\570 & = & 190x & \text{Mutiplied by lowest common denominator (570x)}\\3 & = & x & \text{Divided each side by 3}\\\end{array}$

The building will be $\boxed{\textbf{3 in}}$ tall in the scale drawing.

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2 years ago

The area of a rectangle is 243.9 m2. If the length is 15 m, what is the perimeter of the rectangle?

patriot [66]

Step-by-step explanation:

Given

Area of rectangle (A) = 243.9 m²

Length (L) = 15 m

first calculating the breadth (b)

We know

L * b = A

15 * b = 243.9

b = 243.9/ 15

b = 16.26 m

Now

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= 62.58 m

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2 years ago

Evaluate 5x when x =8

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Answer:

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