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2 years ago

Which the following is a linear algebraic expressionpleaseee...help me in math

Mathematics

1 answer:

Serga [27]2 years ago

3 0

Answer:

C 9s-8t

Step-by-step explanation:

A linear expression is an algebraic expression in which each term is either a constant or the product of a constant and (the first power of) a single variable. Linear expression can have one or more variables.

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I need help on this please!!

Gwar [14]

Answer:

Step-by-step explanation:

Using the trigonometric identity

csc x = $\frac{1}{sinx}$

Given

sinΘ = - 0.4, then

cscΘ = $\frac{1}{-0.4}$ = - 2.5 → C

3 0

3 years ago

RS = 12, ST = 2x, RT = 34

Harrizon [31]

Answer:

x=11

Step-by-step explanation:

34(RT) minus 12(RS)=22. 22 divided by 2 equals 11.

6 0

3 years ago

Given the function f(x)= e^3x, write an expression that represents the derivative of f using the limit shown below.

Nimfa-mama [501]

Answer:

f'(x)=6x+8

Step-by-step explanation:

8 0

2 years ago

Karen is 6 years older than her sister Michelle, and Michelle is 2 years younger than their brother David. If the sum of their a

ale4655 [162]

$K\ \rightarrow\ the\ Karen's\ age\\M\ \rightarrow\ the\ Michelles\ age \\D\ \rightarrow\ the\ David's\ age\\\\K=M+6\\M=D-2\ \ \ \Rightarrow\ \ \ D=M+2\\K+M+D=62\\\\(M+6)+M+(M+2)=62\\3M+8=62\\3M=54\ /:3\\M=18\ \ \ \Rightarrow\ \ \ K=18+6=24\ \ \ and\ \ \ D=18+2=20\\\\Ans.\ Michelle\ is\ 18,\ David\ is\ 20,\ Karen\ is\ 24.$

6 0

2 years ago

3. A cone has a heighth and a base with radius r. You want to change the cone so its volume is tripled. What is the new height i

Sphinxa [80]

Answer:

Hence the new height is 3 times the original height .(h1=3h)

Step-by-step explanation:

Given:

A cone with has height and base with radius r .

To Find:

What is new height

Solution:

Consider as cone with height h base radius r, and volume v

Here given that only height changes for the cone i.e. r remains the unchanged or same or constant

The volume for a regular cone is given by ,

$V=pie*r^2*h/3$

Here V is directly proportional to h i.ee pie ,3 and r being constant

$V=K*h$

i.e V/h=constant

V1 and h1 are new dimensions for new cone

V/h=V1/h1

Here V1=3V

So V/h=3V/h1

1/h=3/h1

i.e h1=3h

Hence the height is 3 times the original height .

4 0

3 years ago

Which the following is a linear algebraic expressionpleaseee...help me in math​

Which the following is a linear algebraic expressionpleaseee...help me in math