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3 years ago

Drag steps in the given order to evaluate this expression. (−5)(−4)−6−4(6)

1 answer:

german3 years ago

8 0

According to Order of Operations rules, we must multiply before adding or subtracting.

With this in mind, notice that the first operation is mult.: (-5)(-4) = +20.

At the end is another mult.: -4(6) = -24.

So, write -20 - 6 - 24. End result: -50

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Need help please! what is the total length of a 20 mm steel coiled like a spring with a 16 turns and an outer diameter of 600 mm

Norma-Jean [14]

Answer:

L = 29,550 mm

Step-by-step explanation:

i think i've done this before.. but anyway Lets make it simple and easy.

Let A = 600mm

Let B = 300mm

Let C = 16 as number turns

Let d = 20mm

L = sqrt ((3.14 * (600 - 20))² + 300³) * 16

L = 29,550 mm

4 0

4 years ago

Gary earned a gross pay of $1,047.30 last week. Using the fact that Social Security tax is 6.2% of gross pay, determine the amou

GrogVix [38]

SS tax is 6.2% of 1,047.30

In math "of" means times, so

.062 x 1047.30 = 64.9326

Rounded to the nearest cent $64.93

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3 years ago

Triss [41]

<u>Corrected Question</u>

Ping lives at the corner of 3rd Street and 6th Avenue. Ari lives at the corner of 21st Street and 18th Avenue. There is a gym 2/3 the distance from Ping's home to Ari's home. Where is the gym?

9th Street and 10th Avenue
12th Street and 12th Avenue
14th Street and 12th Avenue

15th Street and 14th Avenue

Answer:

(D)15th Street and 14th Avenue

Step-by-step explanation:

Ping's Location: (3rd Street, 6th Avenue)

Ari's Location: (21st Street, 18th Avenue)

The gym is at point P which is $\dfrac{2}{3}$ the distance from Ping's home to Ari's home.

That is, Point P divides the line segment in the ratio 2:1.

We use the section formula:

$(x,y)=\left(\dfrac{mx_2+nx_1}{m+n}, \dfrac{my_2+ny_1}{m+n}\right)$

m:n=2:1, $(x_1,y_1)=(3,6), (x_2,y_2)=(21,18)$

$=\left(\dfrac{2*21+1*2}{2+1}, \dfrac{2*18+1*6}{2+1}\right)\\=\left(\dfrac{45}{3}, \dfrac{42}{3}\right)\\=(15,14)$

The gym is located at 15th Street and 14th Avenue.

6 0

3 years ago

Citlali was traveling at 60 miles per hour. she has already traveled 120 miles. To get to california which is 360 miles from hom

Scrat [10]

Answer:

4 more hours

Step-by-step explanation:

First, you know that Citlali is traveling 60 miles per hour so he travels 60 miles every hour. He has already traveled 120 miles so you subtract 120 from 360 because that is the amount of miles Citlali now has to travel. Then, you know that she travels 60 miles per hour so the equation will be 60x=240. Then, you divide 60 in both sides and get x=4. Therefore, it will take four more hours until he arrives at California.

Hope this helps

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stich3 [128]

Answer:

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3 years ago