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pashok25 [27]
3 years ago
13

What is (-2 - -6 ÷ -2) × 12 ÷ -6 ?

Mathematics
1 answer:
Westkost [7]3 years ago
8 0
Alright so this time, we see the negative seperated, so we can write

(-2-(-6)/-2) x 12/-6

use order of operations
PEMDAS
parentasees first
then exponents
then muliptly or divide
add or subtract

simplify inside parnethasees first
-2-(-6)/-2
do multiplication first
ok, so -(-6)=+6
that counts as multiplication
-2+6/-2
division
6/-2=-3
now we got
-2-3=-5

so

(-5) x 12 / -6
now multiply -5 and 12
-60

now we gots
-60/-6
divide
-60/-6=60/6=10

the result is 10
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What is the root when talking about a quadratic equation
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8 0
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Read 2 more answers
The left windshield wiper on a Chevrolet Traverse cleans an area of 500.3in ^2.when in motion it has a cleaning pattern that arc
Mamont248 [21]

The length of the windshield wiper to the nearest inch is 24 inches

<h3>How to calculate the area of a sector</h3>

The formula for calculating the area of a sector is given as:

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Given the following

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8 0
2 years ago
How can i solve by completing the square 4r^2-28r=-49
Natalija [7]
To complete the square, the second degree term must have a coefficient of 1.
Since the second degree term here has a coefficient of 4, we start by dividing each term on both sides by 4.

4r^2 - 28r = -49

\dfrac{4r^2}{4} - \dfrac{28}{4}r = -\dfrac{49}{4}

r^2 - 7r = -\dfrac{49}{4}

Now we can complete the square.
First, we need to find what number completes the square.
We take the coefficient of the first degree term, -7 in this case.
Divide it by 2 and square it. -7 divided by 2 is the fraction -7/2.
Now we square -7/2 to get 49/4.
We add 49/4 to both sides.

r^2 - 7r + \dfrac{49}{4} = -\dfrac{49}{4} + \dfrac{49}{4}

(r - \dfrac{7}{2})^2 = 0

r - \dfrac{7}{2} = 0

r = \dfrac{7}{2}
3 0
3 years ago
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