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3 years ago

-k/3 = 9 answer = ??

Mathematics

2 answers:

taurus [48]3 years ago

7 0

Answer:

-k=9×3

-k=27

God luck friend

slava [35]3 years ago

3 0

Answer: K=-27

Solve for

by simplifying both sides of the equation, then isolating the variable.

Step-by-step explanation: Have a brilliant day of Learning-Lily ^-^

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Which is equal to (2x − 3y + 5z) − (−4x − y + 8z)?

Fittoniya [83]

(2x - 3y + 5z) - (-4x - y + 8z)
= 2x - 3y + 5z + 4x + y - 8z
= 6x - 2y - 3z

In short, Your Answer would be Option D

Hope this helps!

8 0

3 years ago

14 divided 4 and 7/8 written in simplest form

Elan Coil [88]

Answer:

7 and that is its simplest form

Step-by-step explanation:

thank me later

7 0

2 years ago

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What is the average rate of change for f (x)=0.5 (-10x + 24)?

xenn [34]

Answer:

The rate of change of the function is -5.

Step-by-step explanation:

Given : Function $f(x)=0.5(-10x+24)$

To find : What is the average rate of change ?

Solution :

Function $f(x)=0.5(-10x+24)$

The rate of change is the first derivative.

$f(x)=-5x+12$

Derivate w.r.t. x,

$f(x)=-5$

Therefore, The rate of change of the function is -5.

5 0

3 years ago

What is the value of x to the nearest tenth?

Colt1911 [192]

Answer:

C. 17.6

General Formulas and Concepts:

Math

Rounding

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] tanθ = opposite over adjacent

Step-by-step explanation:

Step 1: Identify Variables

Angle θ = 40°

Opposite Leg = x

Adjacent Leg = 21

Step 2: Solve for x

Substitute in variables [tangent]: $\displaystyle tan(40^\circ) = \frac{x}{21}$
[Multiplication Property of Equality] Isolate x: $\displaystyle 21tan(40^\circ) = x$
Rewrite: $\displaystyle x = 21tan(40^\circ)$
Evaluate: $\displaystyle x = 17.6211$
Round: $\displaystyle x \approx 17.6$

6 0

3 years ago

Read 2 more answers

How many ways can you make a 3-letter arrangement out of the letters in the word TRAPEZOID? This is a (permutation or combinatio

Andrews [41]

Answer:

Permutation

504 ways

Step-by-step explanation:

The difference between combinations and permutations is ordering. With permutations we DO care about the order of the elements, whereas with combinations we don't.

In your graphing calculator, type

nPr(9,3)

(9 letters in trapezoid, 3 letter combos)

and it returns 504.

4 0

3 years ago