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3 years ago

Simplify17-6.10/2+12

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

8 0

Answer:

Step-by-step explanation:

To simplify any algebraic equation we always use a formula B.O.D.M.A.S.

Which represents as

B- Bracket

O- Open or order

D- Divide

M-Multiply

A- Addition

S- Subtraction

Now we have to simplify $17-6(10/2)+12$

⇒ 17- 6(5)+12 Here we divide first (as per BODMAS)

⇒ 17-30+12 (Now we multiply)

⇒ 29 -30 (Addition)

⇒ (-1) (Finally subtraction)

So the final answer is (-1).

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Barbara drives between Miami, Florida, and West Palm Beach, Florida. She drives 50 mi in clear weather and then encounters a thu

cluponka [151]

Answer:

Her speed driving in nice weather is 50 mph and in thunderstorm is 32 mph.

Step-by-step explanation:

Barbara drives 50 miles in clear weather and then encounters a thunderstorm for the last 16 miles.

Suppose, her speed in nice weather is $x$ mph.

As she drives 18 mph slower through the thunderstorm than she does in clear weather, so her speed in thunderstorm will be: $(x-18) mph$

We know that, $Time = \frac{Distance}{Speed}$

So, the time of driving in clear weather $=\frac{50}{x}$ hours

and the time of driving in thunderstorm $=\frac{16}{x-18}$ hours.

Given that, the total time for the trip is 1.5 hours. So, the equation will be......

$\frac{50}{x}+ \frac{16}{x-18}=1.5 \\ \\ \frac{50x-900+16x}{x(x-18)}=1.5\\ \\ \frac{66x-900}{x(x-18)}=1.5 \\ \\ 1.5x(x-18)=66x-900\\ \\ 1.5x^2-27x=66x-900\\ \\ 1.5x^2-93x+900=0\\ \\ 1.5(x^2 -62x+600)=0\\ \\ x^2 -62x+600=0\\ \\ (x-50)(x-12)=0$

Using zero-product property.........

$x-50=0\\ x=50\\ \\ and\\ \\ x-12=0\\ x=12$

We need to ignore $x=12$ here, otherwise the speed in thunderstorm will become negative.

So, her speed driving in nice weather is 50 mph and her speed driving in thunderstorm is (50-18) = 32 mph

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3 years ago

Teresa gave two-thirds of her peanuts to Gabe. Then she gave ine-half of the remaining peanuts to Carlos. She had 1 peanuts left

alukav5142 [94]

Answer:

Brainliest

Step-by-step explanation:

1 peanut before giving half

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Helga [31]

180 is the degrees a straight line segment is. This means that
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