-6 + -4 + 3 = ? Adding integers

Mathematics

2 answers:

n200080 [17]3 years ago

8 0

Step-by-step explanation:

Hey there!

Here,

$= - 6 + ( - 4) + 3$

While working with them remember some rules;

(-) + (-) = sign (-) but add them.
(+) + (+) = sign (+) and add.
(+) - (+) = subtract but keep sign of greator number.
(-) -(-) = subtract and keep the sign of greator number.

Likewise in your question,

$= - 6 - 4 + 3$

$= - 10 + 3$

$= - 7$

Hope it helps...

mart [117]3 years ago

5 0

-6 + -4 + 3 = -7
basically, even though there's a plus sign with negative 4, you still subtract it since it's a negative.

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Airida [17]

Answer:

117.5 ft²

Step-by-step explanation:

To find the area of the shaded area, we can find the area of the square, then subtract the areas of the two semicircles.

First, we will find the area of the given square, by using the formula $lw$ , multiplying the length and width. The dimensions of this square are 14×14.

14 · 14 = 196

The area of the square is 196 ft².

We can now find the area of the two congruent half-circles. Since they are identical, we can simply find the area of one circle if it was whole. To find the area of a circle, we'll use the formula $A=\pi r^2$ . With some simple deduction, we can see that the diameter of the circle is 10 ft, so the radius would be 5 ft long. Plug our values into the formula.