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Reil [10]
3 years ago
5

TRUE or FALSE: Observational studies are used to determine causality between explanatory and response variables.

Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0

Answer:

True

Step-by-step explanation:

I'm pretty sure it true, sry if it's not

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What is the formula of Cosec (A+B)=​
eimsori [14]

Answer:

c

Step-by-step explanation:

because it's A.B

C.D.

3 0
3 years ago
Please help please please
Liula [17]

Length of shorter piece is 13 ft

Length of longer piece is 61 - 13 => 48 ft

5 0
3 years ago
In the diagram below, TUVW is a rectangle. Prove triangle TZW is congruent to triangle UZV.
otez555 [7]

Answer:

By S.S.S. congruence property;  ΔTZW ≅ ΔVZU

Step-by-step explanation:

Given:

TUVW is a rectangle.

To Prove : TZW ≅ UZV

Proof:

Since TUVW is a rectangle, and we know that opposite side of a rectangle is equal.

So,

TW = UV \ \ .\ .\ .\ .\ 1

And also TV and WU are the diagonals of the rectangle.

And the diagonals of rectangle bisects each other.

Therefore;

TZ=ZV.........\ 2\\\\WZ=ZU..........\ 3

Now In ΔTZW and ΔVZU

TW = UV (from 1)

TZ = ZV (from 2)

WZ = ZU (from 3)

So, by S.S.S. congruence property;

ΔTZW ≅ ΔVZU

Hence proved.

8 0
4 years ago
Here’s a graph of a linear function. Write the equation that describes that function
Mekhanik [1.2K]

Answer:

y=3/2x+2

Step-by-step explanation:

Slope is 3/2, y intercept is 2

4 0
3 years ago
Read 2 more answers
Rachel Plant has ​$28,000 invested in stock A and stock B. Stock A currently sells for ​$20 a share and stock B sells for ​$80 a
Wewaii [24]

Answer:

A= 66.6667

B = 333.3333

Step-by-step explanation:

Initial value of A = $20

Initial value of B = $80

Initial total=$ 28000

A moves up 50%= 20+(0.5*20)

A moves up 50% = 20+10

A moves up 50% =$ 30

B double it values = $80*2

B double it values = $160

Now total value is = $54000

A20+B80= 28000... equation 1

A30+B160= 54000.... equation 2

Multiplying equation 1 * 2

Multiplying equation 2 * 1

A40 +B160 = 56000

A30+B160= 54000

A30 = 2000

A= 2000/30

A= 200/3

A= 66.6667

A20+B80= 28000

Substituting A

200/3 (20) +B80= 28000

B80= 28000-4000/3

B80= 80000/3

B= 80000/240

B = 333.3333

3 0
3 years ago
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