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jasenka
2 days ago
15

What is the value of the expression when n = 3? -2n(5+n - 8 -3n)

Mathematics
2 answers:
AnnZ [9K]2 days ago
6 0
The expression evaluates to 54.
babunello [8.4K]2 days ago
3 0
The value comes out to 54; the calculation follows -2(3)(5+3 - 8 - 3(3)) = 54. I'm glad to be of assistance!:D
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Laila wants to create a data display to clearly show the median salary, the highest salary,
lawyer [9240]

Answer:

A box plot

Step-by-step explanation:

Assuming there are 685 employees in her organization

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7 0
1 month ago
Read 2 more answers
If A(x1, y1), B(x2, y2), C(x3, y3), and D(x4, y4) form two line segments, and , which condition needs to be met to prove ?
Zina [9171]
The answer
the full question is
If A(x1, y1), B(x2, y2), C(x3, y3), and D(x4, y4) create two line segments, and AB ⊥ CD, what condition must be satisfied to establish that AB ⊥ CD?

Let A(x1, y1) and B(x2, y2) represent the first line, while C(x3, y3) and D(x4, y4) represent the second line.

The slope for the first line is given by m = (y2 - y1) / (x2 - x1).
For the second line, the slope is m' = (y4 - y3) / (x4 - x3).

The necessary condition to demonstrate that AB ⊥ CD is

                           
                    (y2 - y1) * (y4 - y3)
m × m' =  ---------  ×  ------------ = -1
                    (x2 - x1)    (y4 - y3)
5 0
1 month ago
Read 2 more answers
Manuel wants to go snowboarding with his friends. The closest ski and snowboard resort is approximately 20 miles west and 50 mil
PIT_PIT [9117]

Answer:

Step-by-step explanation:

First, we apply the Pythagorean theorem to determine the distance from Manuel’s home to the resort.

S1 = √50²+20²

S1 = √2500+400

S1 = √2900

S1 = 53.85m

Next, we find the distance from Manuel's home to his friend’s residence.

S2 = √15²+10²

S2 = √225+100

S2 = √325

S2 = 18.03m

The distance between the two boys and the resort will be represented as ∆S = S2 - S1.

∆S = 53.84 - 18.03

∆S = 35.81m

5 0
18 days ago
(2 thousands 7 tens) times 10
babunello [8412]

You may either multiply the numbers or the place value, and both methods will yield the same answer.

(2 thousands, 7 tens) multiplied by 10 results in

... (20 thousands, 70 tens)

or

... (2 ten-thousands, 7 hundreds)

8 0
20 days ago
A toy train moves along its track at a rate of 132 feet per minute. What is this rate in miles per hour?
tester [8842]

Answer:

1.5 miles per hour

Step-by-step explanation:

Multiply 132 feet by 60 seconds to get 7920. Subtract 5280, the number of feet in a mile, leaving you with 1 mile and an additional 2640 feet, which amounts to half a mile.

8 0
5 days ago
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