Evaluate 10 + 8 ÷ 2 − 4.

10
5
6
14

Answers

Answer 1

Answer: the rank of ( divide and multiply) is higher than ( summation and subtraction ) so we divide 8/2 first
10+(8/2)-4
10+4-4= 10

Answer 2

Answer:

Hi Brainiac

10+8 ÷ 2-4

10+4-4

= 14-4

= 10

I hope that's help:)

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Which is equivalent to 216 power of 1/3 ?
3
6
36
72

Answers

Answer:

Step-by-step explanation:

GIVEN :

$(216)^{(1)/(3) }$

Solution :

let

$(216)^{(1)/(3) }=x$

$216 = x^(3)$

$6^(3) = x^(3)$

⇒ x = 6

⇒ $(216)^{(1)/(3) }= 6$

Answer:

Option (b) is correct.

$(216)^{(1)/(3)}=6$

Step-by-step explanation:

Given: 216 power of 1/3

We have to find an equivalent number to 216 power of 1/3

Consider 216 power of 1/3

Writing mathematically as, $(216)^{(1)/(3) }$

Also, 216 can be written as product of 6 three times that is 6× 6 × 6

Thus, $(216)^{(1)/(3)}=(6* 6* 6)^{(1)/(3)}$

Simplify, we get,

$(6* 6* 6)^{(1)/(3)}=(6^3)^{(1)/(3)}$

Apply property of exponents, we have,

$(a^n)^m=a^(nm)$

$(6^3)^{(1)/(3)}=6^{(3)/(3)}=6$

Thus, $(216)^{(1)/(3)}=6$

Option (b) is correct.

An airplane flies six hundred miles to the south; then, after landing and refueling, it flies due north for three hundred miles. What is the airplane's displacement? (Remember, displacement is a vector, so direction needs to be indicated in your answer).

Answers

Displacement =

   (distance between the start-point and the end-point)
in the direction of
   (direction from the start-point to the end-point).

For the entire story, the displacement is

   300 miles south .

If it's going 600 miles S, and 300 miles N, the displacement is 300 miles S

Read the following sentence from Jack London's White Fang:"It's the only contraption that'll ever hold One Ear," he said. "He can gnaw through leather as clean as a knife an' jes' about half as quick.

Based on the context in this sentence, what is the best explanation for a contraption?

A complicated device or mechanism
A moving or rotating machine part
A manufactured good
A sinister restraint

Answers

Although this is english and you wrote this as a math question im still going to help. Im going to say B only because where it says he can gnaw through leather. the answer is A moving or rotating machine part.

Use the number line to model why -7+3=-4

Answers

-7 -6 -5 -4 -3 -2 -1 0 1 2 3

There is a number line

Start on -7 and move forward 3
-6 -5 -4
Therefore yoy are left on -4

What is negative five plus ten?

Answers

Answer:

Step-by-step explanation:

Answer:

it's obviously 5

-5+10 = 5

Jonas is planning out his route for an upcoming race. He uses negative numbers to represent points beforethe finish line and positive numbers to represent points after the finish line.On Jonas's map, there is a bridge at -91= meters, and his wife is watching him at 14 meters.What does 0 meters represent?Choose 1 answer:Jonas's wifeB. The bridgeThe finish line

Answers

Answer:

(C)The finish line

Step-by-step explanation:

Points before the finish line are represented using negative numbers.

Points after the finish line are represented using positive numbers.

The bridge is at -91 meters ( before the finish line)
His wife is watching him at 14 meters. (after the finish line)

0 meters therefore represents the finish line from which Jonas takes his reading to be positive or negative.

The correct option is C.

Final answer:

The 0 meters in Jonas's map represents the finish line in the race, where negative numbers represent points before the finish line and positive numbers represent points after the finish line.

Explanation:

In Jonas's case, he has defined the finish line as 0 meters. This is based on his system of defining the race route, where negative numbers represent points before the finish line and positive numbers represent points after the finish line. So, his wife watching him at 14 meters would be positioned 14 meters past the finish line, and the bridge at -91 meters would be 91 meters before the finish line. This is a useful way of tracking his position during the race and helps to structure his training and race strategy.