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Juliette [100K]
4 years ago
6

Please help quickly !

Mathematics
1 answer:
densk [106]4 years ago
4 0

Answer:

-4

Step-by-step explanation:

In the last step with the fraction:

On the left side, +11/2 - 11/2 =0

On the right side, 3/2 - 11/2 = -8/2 = -4

k=-4

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Choose the inequality that represents the following graph
Strike441 [17]

Answer:

Step-by-step explanation:

1) Check whether the graph is inclusive or exclusive. Inclusive graphs are equal to or greater/less than, whereas exclusive graphs are just greater/less than. A filled circle is inclusive, and a non-filled circle is exclusive. We see that in the graph, the circle is filled meaning it is inclusive. Secondly, we see that the number line goes forever when it is greater than(or equal to) 3. From these two pieces of information, we see that the answer is choice D.

Hope this helps! If not, feel free to ask any additional questions!

3 0
3 years ago
A bicycle has a listed price of $706.95 before tax. If the sales tax rate is 9.75%, find the total cost of the bicycle with sale
Artemon [7]

Answer:

Step-by-step explanation:

we will calculate first the sales tax

706.95*(9.75/100)=68.93

706.95+68.93= $775.88

8 0
3 years ago
Plz help in a rush!!!!!!!!!!
Bogdan [553]
Your answer is 4.7

Using the Pythagorean Theorem, you can find the length of the missing side:

a^{2}+b^{2}=c^{2}\\(3)^{2}+b^{2}=(5.6)^{2}\\9+b^{2}=31.36\\b^{2}=22.36\\b=\pm \sqrt{22.36}
Length cannot be negative, so your answer is:
b=\sqrt{22.36}=4.728636...\\\\b=4.7
5 0
3 years ago
Read 2 more answers
Evaluate the given integral by changing to polar coordinates. sin(x2 y2) dA R , where R is the region in the first quadrant betw
alexira [117]

Answer:

I = 1.47001

Step-by-step explanation:

we have the function

f(x,y)=sin(x^2y^2)\\

In polar coordinates we have

x=rcos\theta\\y=rsin\theta

and dA is given by

dA=rdrd\theta

Hence, the integral that we have to solve is

I=\int \limt_2^4 \int \limit_0^{\pi /2}sin(r^4cos^2\theta sin^2\theta)rdrd\theta

This integral can be solved in a convenient program of your choice (it is very difficult to solve in an analytical way, I use Wolfram Alpha on line)

I = 1.47001

Hope this helps!!!

7 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST
Vlada [557]

Answer:

if the corner is (4x-17)², I believe X would equal 9.644, or if it can be rounded to the tenths place, 9.6, if rounded to the ones place, it'd be 10. I could be wrong, however. I'm not too familiar with this, just wanted to help

5 0
3 years ago
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