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3 years ago

Simplify the variable expression by evaluating its numerical part, and enter

Mathematics

2 answers:

Ksju [112]3 years ago

8 0

Answer:7w

Step-by-step explanation:

the process is simple 13 minus 6 equals 7 which only leaves w therefore the answers 7w

wolverine [178]3 years ago

5 0

Answer:

Step-by-step explanation:

Given (13-6)•w

Using the distributive property , we have

13xw -6xw

13w — 6w

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Show why the limit as x approaches 0 (csc(x)-cot(x)) involves an indeterminate form, and then prove that the limit equals 0.

Nadusha1986 [10]

Answer with Step-by-step explanation:

We are given that $\lim_{x\rightarrow 0 }(csc(x)-cot(x))$

We have to prove that why the limit x approaches 0(csc(x)-cot(x)) involves an indeterminate form and prove that the limit equals to 0.

$\lim_{x\rightarrow 0 }(\frac{1}{sinx}-\frac{cosx}{sinx})$

Because $csc(x)=\frac{1}{sinx}$ and $cot(x)=\frac{cosx}{sinx}$

$\lim_{x\rightarrow 0 }(\frac{1-cosx}{sinx})$

$\frac{1-cos0}{sin0}$

We know that cos 0=1 and sin 0=0

Substitute the values then we get

$\frac{1-1}{0}=\frac{0}{0}$

We know that $\frac{0}{0}$ is indeterminate form

Hence, the limit x approaches 0(csc(x)-cot(x)) involves an indeterminate form.

L'hospital rule:Apply this rule and differentiate numerator and denominator separately when after applying $\lim_{x\rightarrow a }$ we get indeterminate form $\frac{0}{0}$

Now,using L' hospital rule

$\lim_{x\rightarrow 0 }\frac{0+sinx}{cosx}$

because $\frac{dsinx}{dx}=cosx,\frac{dcosx}{dx}=-sinx}$

Now, we get

$\lim_{x\rightarrow 0 }\frac{sinx}{cos x}$

$\frac{sin0}{cos0}$

$\frac{0}{1}=0$

Hence, $\lim_{x\rightarrow 0 }(csc(x)-cot(x))=0$

5 0

3 years ago

9 more than galls height is 50

frez [133]

Answer:

x+9=50

Step-by-step explanation:

to find galls height, it tells you to add 9. substitute “gall” for a variable. in this case, 9 is being added to the variable to equal 50.

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3 years ago

Gave me the measure of angle 4

Mashutka [201]

Answer:

need points

Step-by-step explanation:

is this a question

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3 years ago

Determine whether Y= 2x^2 -1 is a linear equation. If so , write the equation in standard form. If Not PLEASE Explain?

Evgesh-ka [11]

Answer:

not a linear equation

Step-by-step explanation:

its a quadratic equation bcz whenever the power of variable exceeds 1 it is not a linear equation then. even if we plot a graph by assuming values of x we will see a curve is forming hence not a linear equation

5 0

3 years ago

Sams sells a 5-lb bag of beans for $17.25. How much is the unit price?

zloy xaker [14]

Answer:

$3.45

Step-by-step explanation:

17.25 divided by 5 is equal to 3.45

7 0

3 years ago