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Elodia [21]
3 years ago
15

2.6 X 16 fourth grade answers

Mathematics
1 answer:
Masteriza [31]3 years ago
3 0

Answer:

41.6 lol

Step-by-step explanation:

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Celina says that each of the following expressions is actually a binomial in disguise:(Expressions in picture) For example, she
Juliette [100K]

Yes , she is right. All the remaining can be expressed in binomial.

II) 5x^3 * 2x^2 - 10x^4 + 3x^5 + 3x * (-2)x^4

10x^5 - 10x^4 + 3x^5 + -6x^5= 7x^5 - 10x^4 is a binomial

iii) (t+2)^2 - 4t = t^2 + 4t + 4 -4t = t^2 + 4 is a binomial

iv) 5(a-1) - 10(a-1) + 100 ( a-1) = 5a - 5 - 10a + 10 + 100a -100 = 95a -95 is a binomial

v) ( 2\pi  r -\pi  r^2)r - ( 2\pi  r -\pi  r^2)2r = 2\pi  r^2 -\pi  r^3 - 4\pi  r^2 + 2\pi  r^3 = -2\pi  r^2  + \pi  r^3 is also a binomial



4 0
3 years ago
PLEASE HELP THIS IS TIMED<br> WHAT IS THE FOLLOWING SUM FIRST ONE IS QUESTION THE REST ARE CHOICES
murzikaleks [220]
\sqrt[3]{125x^{10}y^{13}}+\sqrt[3]{27x^{10}y^{13}}\\\\\sqrt[3]{125*x^{3}*x^{3}*x^{3}*x*y^{3}*y^{3}*y^{3}*y^{3}*y}+\sqrt[3]{27*x^{3}*x^{3}*x^{3}*x*y^{3}*y^{3}*y^{3}*y^{3}*y}\\\\\\\sqrt[3]{125}\sqrt[3]{x^{3}}\sqrt[3]{x^{3}}\sqrt[3]{x^{3}}\sqrt[3]{x}\sqrt[3]{y^{3}}\sqrt[3]{y^{3}}\sqrt[3]{y^{3}}\sqrt[3]{y^{3}}\sqrt[3]{y}+\sqrt[3]{27}\sqrt[3]{x^{3}}\sqrt[3]{x^{3}}\sqrt[3]{x^{3}}\sqrt[3]{x}\sqrt[3]{y^{3}}\sqrt[3]{y^{3}}\sqrt[3]{y^{3}}\sqrt[3]{y^{3}}\sqrt[3]{y}\\\\\\5*x*x*x*\sqrt[3]{x}y*y*y*y*\sqrt[3]{y}+3*x*x*x*\sqrt[3]{x}*y*y*y*y*\sqrt[3]{y}\\\\5x^{3}\sqrt[3]{x}y^{4}\sqrt[3]{y}+3x^{3}\sqrt[3]{x}y^{4}\sqrt[3]{y}\\\\5x^{3}y^{4}\sqrt[3]{x}\sqrt[3]{y}+3x^{3}y^{4}\sqrt[3]{x}\sqrt[3]{y}\\\\8x^{3}y^{4}\sqrt[3]{x}\sqrt[3]{y}\\\\8x^{3}y^{4}\sqrt[3]{xy}
5 0
3 years ago
What is the surface area of a sphere with radius 4?
Verdich [7]

Answer:

SA =64 pi units ^2

Step-by-step explanation:

The surface area of a sphere is given by

SA = 4 pi r^2

SA = 4 * pi * 4^2

SA =64 pi

SA =200.96

7 0
3 years ago
Which line will have no solution with the parabola y – x 2 = x2?
Klio2033 [76]

Step-by-step explanation:

y = –3x –3

y = –2x –3

y = 2x –3

y = 3x –3

3 0
2 years ago
Help please ! Please
gizmo_the_mogwai [7]

Answer:

15, 8, 25 The teacher payed 0.40 per book.

Step-by-step explanation:

4/10 = 2/5 Simplify the 4/10 to find the unit rate.

15: 2/5 = 6/x Set up your proportion.

    2x   =30 Cross multiply

    /2      /2 Divide both sides by 2 to isolate x

     x     =15

8: 2/5 = x/20 Set up proportion

   40  =5x Cross multiply

    /5     /5 Divide both sides by 5 to isolate x

     8  =x

25: 2/5 = 10/x Set up proportion

      2x  =50 Cross multiply

       /2     /2 Divide both sides by 2 to isolate x

        x   =25

Graph: y=mx+b To graph, you will need to use y=mx+b format

           y= 2/5 x+2 2/5 is your unit rate. Your rate changes every 2 books bought. To graph, start at (0,2) and go up 2 and to the right 5, plot. Continue moving up 2 and to the right 5 to graph.

The teacher payed 0.40 per book because 2/5 simplifies to 0.40.

   

8 0
3 years ago
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