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BartSMP [9]
3 years ago
14

Simplify the expression. 0.24 – 1.6

Mathematics
2 answers:
lukranit [14]3 years ago
4 0

Answer:

Step-by-step explanation:

IgorLugansk [536]3 years ago
3 0

Answer:

-1.36

Step-by-step explanation:

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Find the area of the right triangle
xenn [34]

Answer:

Area: 24 sq units

Step-by-step explanation:

Area of a rectangle formula:

A = 0.5bh

Given:

b = 6

h = 8

Work:

A = 0.5bh

A = 0.5(6)(8)

A = 3(8)

A = 24

3 0
2 years ago
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2 years ago
−2x=x2−6 Rewrite the equation by completing the square.
V125BC [204]

Answer:

(x + 1)² = 7

Step-by-step explanation:

Given:

-2x = x² - 6

We'll start by rearranging it to solve for zero:

x² + 2x - 6 = 0

The first term is already a perfect square so that's fine.  Normally, if that term had a non-square coefficient, you would need to multiply all terms a value that would change that constant to a perfect square.

Because it's already square (1), we can simply move to the next step, separating the -6 into a value that can be doubled to give us the 2, the coefficient of the second term.  That value will of course be 1, giving us:

x² + 2x + 1 - 1 - 6 = 0

Now can group our perfect square on the left and our constants on the right:

x² + 2x + 1 - 7= 0

x² + 2x + 1 = 7

(x + 1)² = 7

To check our answer, we can solve for x:

x + 1 = ± √7

x = -1 ± √7

x ≈ 1.65, -3.65

Let's try one of those in the original equation:

-2x = x² - 6

-2(1.65) = 1.65² - 6

- 3.3 = 2.72 - 6

-3.3 = -3.28

Good.  Given our rounding that difference of 2/100 is acceptable, so the answer is correct.

6 0
3 years ago
How do I get to the end
hoa [83]

Answer:

Step-by-step explanation:

i don`t know sorry

5 0
3 years ago
What is the slope of the line
galina1969 [7]

-8/5

Rise over run aka how many it goes up/down over how many it goes across

6 0
3 years ago
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