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2 years ago

Solve for m. m+9=-2 m=?

Mathematics

2 answers:

Liono4ka [1.6K]2 years ago

8 0

Answer:

-11

Step-by-step explanation:

Because you just carry the nine over which when you switch it sides it becomes negative so it's -9 + -2 which equals negative 11

amm18122 years ago

7 0

11
subtract 9 to both sides

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Find the perimeter of this semi-circle with diameter, d = 52cm.

Ede4ka [16]

Answer:

Perimeter = 133.681 cm

or 52.63 inches.

Step-by-step explanation:

"So, the perimeter of a semicircle is 1/2 (πd) + d or πr + 2r, where r is the radius."

let's use, πr + 2r

Diameter: 52

Radius: 26 (RAdius is half of the diameter)

πr + 2r (plug in)

pi x 26 + 2(26)

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2 years ago

(6 8/25 ÷(−1)−(−0.8)·(−0.1))÷(−0.25÷1.25−1 3/5 ÷(−5 1/3 ))

const2013 [10]

Answer:

-64

Step-by-step explanation:

Given expression

$\left(6 \dfrac{8}{25}\div (-1)-(-0.8)\cdot (-0.1)\right)\div\left (-0.25\div 1.25-1 \dfrac{3}{5} \div\left(-5 \dfrac{1}{3} \right)\right)$

Perform all multiplications and divisions:

$6\dfrac{8}{25}\div (-1)=-6\dfrac{8}{25}\\ \\(-0.8)\cdot (-0.1)=0.08\\ \\-0.25\div 1.25=-\dfrac{0.25}{1.25}=-\dfrac{25}{125}=-\dfrac{1}{5}\\ \\1\dfrac{3}{5}\div \left(-5\dfrac{1}{3}\right)=-\dfrac{8}{5}\cdot \dfrac{3}{16}=-\dfrac{3}{10}$

Now subtract results in brackets:

$-6 \dfrac{8}{25}-0.08=-6.32-0.08=-6.4\\ \\-\dfrac{1}{5}-\left(-\dfrac{3}{10}\right)=-0.2+0.3=0.1$

Now, divide:

$-6.4\div 0.1=-\dfrac{6.4}{0.1}=-\dfrac{64}{1}=-64$

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