What is the range of Variable B?

Answers

Answer 1

Answer: Data:

1, 2, 2, 3, 3, 5, 6, 8

Range is the greatest number subtracted from the smallest.

8 - 1 = 7

So the range is 7.

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Which fractions are equivalent to - 4/9
A: -2/5
B:-8/18
C: 16/-36
D: 20/45

Answers

B and c

B = - 4/9 x 2 = -8/18

C = - 4/9 x 4 = -16/36

What is the decimal equivalent of 9 11 ?

Answers

You mean 9/11?

Dividing 9 by 11 will give you the correct answer. It's that simple.
9/11 = 0.8181 recurring

so your answer is 0.8181

Solutions of x2+5x=2

Answers

Answer: 2x+5x=2

we would have to simplify the x's

2x+5x = 7x

7x+2

we would then divide 7 from both sides

7x/7= 2/7

your answer would be 2/7

~please only answer if you know for sure~
-Thank you-

Answers

ZW and DA are similar sides
WX and AB are similar sides.

Make a proprtion of the sides.

$\sf{ (WX)/(AB) = (ZW)/(DA) }$

Plug in the numbers

$\sf{ (6)/(24) = (ZW)/(18) }$

Cross multiply

$\sf{ 6* 18=ZW * 24$

And then solve for ZW

$\sf{ZW = 4.5}$

So our final answer is

$\boxed{\bf{4.5~centimeters}}$

Hope that helps :P

16x²-81=0 solve the following quadratic equation

Answers

$16x^2-81=0\n\n(4x)^2-9^2=0\n\n(4x-9)(4x+9)=0\iff4x-9=0\ \vee\ 4x+9=0\n\n4x=9\ \vee\ 4x=-9\n\nx=(9)/(4)\ \vee\ x=-(9)/(4)$

$or\n\n16x^2-81=0\n\n16x^2=81\ \ \ \ /:16\n\nx^2=(81)/(16)\n\nx=\pm\sqrt(81)/(16)\n\nx=-(√(81))/(√(16))\ \vee\ x=(√(81))/(√(16))\n\nx=-(9)/(4)\ \vee\ x=(9)/(4)$

16x^2-81=0
(4x-9)(4x+9)
x=9/4 or x=-9/4

What is the solution to 5x−2=13 ? Plot the solution on the number line.

Answers

Answer:

x= 3

Step-by-step explanation:

5x-2=13 - Add 2 to both sides which cancels out the -2 and turns 13 into 15

5x=15 - Divide 5 on both sides which cancels the 5 and leaves x=3

x=3 - Is the final answer or the solution to the problem

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-5+1/5a=4solution again.

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