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Irina-Kira [14]
2 years ago
9

Evaluating expressions k3+j

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
3 0
The answer is 3k+j since 3 cannot be multiplied after k.
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What are the x- and y-intercepts of −6x+4y=96 ?
ankoles [38]
* intercepts "x" --> y=0

-6x  + 4(0) = 96
-6x = 96
x = - \frac{96}{6}

x = 16  

(16,0)

*intercepts "y" --> x=0

-6(0) + 4y = 96
4y = 96
y = \frac{96}{4}

y = 24

(0,24)
3 0
3 years ago
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} andcot(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
2 years ago
Wayne needs to drive 470 miles to reach Milwaukee. Suppose he drives at a constant speed of 50 miles per hour. Which function re
lawyer [7]
The answer is B (470 + 50x)
3 0
3 years ago
A broken rectangular-shaped window is being replaced. It measures 24 inches by 182
grigory [225]

Answer: 432 or 4368

Step-by-step explanation:

multiply base and height this case 24,18. 24x18=432 or 182 x 24=4368

if you using 24 x 18 =432

if you using 182x24=4368

5 0
2 years ago
I need help or my math teacher will call my parents up about it and I will die
Artist 52 [7]

Answer:

Sure, I'll help you with math? What type of math is it?

Step-by-step explanation:

4 0
2 years ago
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