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qwelly [4]
3 years ago
11

T ≤ -4 Someone please show me how to do this ​

Mathematics
1 answer:
masya89 [10]3 years ago
6 0
It means t is less than or equal to -4 so it could be -4 or below. Any other questions? :)
You might be interested in
In ∆TUV, Y is the centroid. If TW = 30, what is YW?
nasty-shy [4]
The complete question in the attached figure

we know that
t<span>he centroid is always 2/3 the distance of each median to each vertex
TW=30
TW=TY+YW
TY=(2/3)*30---------> TY=20
then
YW=TW-TY-----------> YW=30-20-----------> YW=10

the answer is 
YW=10</span>

7 0
3 years ago
The function f(x) = 200(0.5)x/50 models the amount in pounds of a particular
victus00 [196]

<u>Answer:</u>

29 years

<u>Step-by-step explanation:</u>

  • Given the function f(x)= 200(0.5)^{\frac{x}{50} }, where x stands for the number of years since the material was put into the vault, we can plug 140 into x to find the amount leftover.
  • Another way of doing this is to change the function to f(x)=200(0.5^{\frac{1}{50} })^{x} which are equivalent functions, and then plug 140 into x. This function is helpful if you also needed to find the rate.
  • I'll use the 1st function because the question doesn't ask for the rate

f(x)= 200(0.5)^\frac{140}{50}}

From here I'll just use a calculator & get 28.7, or 29 years.

4 0
2 years ago
Three of the vertices of a parallelogram are (2, 1) (4, 7), and (6, 5). What are the three possible coordinates of the fourth ve
Sphinxa [80]
You can do this without drawing even. Let's say the coordinates are 
A, B and C, respectively, and we're looking for D.

If the other vertex is opposite A(2,1), it will be at B+C-A = (8, 11) 
If the other vertex is opposite B, it will be at A+C-B = (4, -1)
If the other vertex is opposite C, it will be at A+B-C = (0, 3)

Explanation: think of one of the vertexes as a corner of the parallelogram and you want to travel to the opposite corner. That means you must add both vectors that represent the sides. So from A to D, you'd have to add (B-A) and (C-A). That gives us A+(B-A)+(C-A) simplifies to B+C-A.
7 0
3 years ago
Rectangle ABCD has vertices A(15, 18), B(−5, 3), C(1, −5), and D(21, 10).
erastova [34]

Answer:

1. 25

2. 10

3. 250

Step-by-step explanation:

Distance formula :√ (x2 - x1)² + (y2 - y1)² √ ()²  + ()²  

1. LENGTH OF AB :

A = 15,18

B = -5,3

√ (-5 - 15)²  + (3 - 18)²  

= √ 400 + 225

= 25

2. LENGTH OF AD :

A = 15,18

D = 21,10

√ (21 - 15)²  + (10 - 18)²  

= √36 + 64

= 10

AREA :

A=w x l

10 x25 = 250

4 0
2 years ago
How does claiming more allowances on a W-4 form affect the deductions on a paycheck?
kow [346]
<span>The way how claiming more allowances on a W-4 form affect the deductions on a paycheck is shown in the second option: less will be deducted for taxes. The W-4 form is meant to tell the employer the actual amount of tax to withhold from a paycheck. There is an unwritten law of this system: the more allowances you claim, the less tax will be withheld from each paycheck.  And the same happens with fewer allowances-  the larger withholding amount, which can lead to a refund.</span>
3 0
3 years ago
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