Which terms give is the perfect square of 3x4? A. 6x8 B. 6x16 C. 9x8 D. 9x16

Answers

Answer 1

Answer: A perfect square is the product when a number is multiplied to itself. Hence,the square of (3x4) is (3 x 4 x 3 x 4). We can rearrange this and have (3 x 3) x (4 x 4) which gives you 9 x 16. Thus, we have the perfect square of (3x4) re-written as (9 x 16). Thus, the answer is D: 9 x 16.

Answer 2

Answer:

Answer:

The correct option is C.

Step-by-step explanation:

The given term is 3x⁴.

We have to find the perfect square of 3x⁴.

$(3x^4)^2=3^2* (x^4)^2$ $[\because (ab)^x=a^xb^x]$

$(3x^4)^2=9* x^(4(2))$ $[\because (a^x)y=a^(xy)$

$(3x^4)^2=9* x^8$

$(3x^4)^2=9x^8$

The perfect square of given expression is $9x^8$ .

Therefore option C is correct.

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Answers

4.50Answer:

Step-by-step explanation:

Match the expression with its name.10x^2 – 5x + 10

fourth-degree binomial
cubic monomial
quadratic trinomial
not a polynomial

Answers

ax^2 + bx + c is a quadratic trinomial. Therefore, ur expression is a quadratic trinomial......it is a trinomial because it has 3 terms.....quadratic means the highest exponent is 2.

7(2x+6)-4(9x+6)<-26 what is the answer ?

Answers

7(2x+6)-4(9x+6)<-26
14x+42-36x-24<-26
-22x + 42-24 <-26
-22x +18 < -26
-22x < -44
x < 2

$7(2x+6)-4(9x+6)\ \textless \ -26 \n 14x+42-36x-24\ \textless \ -26 \n -22x+18\ \textless \ -26 \n -22x\ \textless \ -26-18 \n -22x\ \textless \ -44 \n -x\ \textless \ (-44)/(22) =-2 \n x\ \textgreater \ 2$

A researcher is using a repeated-measures study to evaluate the difference between two treatments. If the difference between the treatments is consistent from one participant to another, then the data should produce ______. A. a small variance for the difference scores and a small standard error
B. a small variance for the difference scores and a large standard error
C. a large variance for the difference scores and a small standard error
D. a large variance for the difference scores and a large standard error

Answers

Answer:

A) a small variance for the difference scores and a small standard error

Step-by-step explanation:

Since the difference scores are obtained by subtracting one variable form another, if the difference scores are consistent between treatments, then the variance will be small. The higher the variance, the higher the standard error. So if the variance is small, then the standard error will also be small.

What is the surface area? I can't figure it out...

Answers

Answer: wouldn't be 18 m because half is 9 m.

HOPE THIS HELPS :D

Answer:

A≈926.54

Step-by-step explanation:

π r 2 + π L r , \pi r^2 + \pi L r, πr2+πLr, where r denotes the radius of the base of the cone, and L denotes the slant height of the cone.Using the formulas

A=πrl+πr2

l=r2+h2

Solving forA

A=πr(r+h2+r2)=π·9·(9+222+92)≈926.54225

Find the equation of the line that passes through the points (-800,200)and(-400,300).

Answers

$(-800,200), \ \ \ \(-400,300) \n \n first \ find \ the \ slope \ of \ the \ line \ thru \ the \ points \: \n \n m= (y-y_(1))/(x-x_(1) ) \n \nm=(200-300 )/(-800+400) = (-100)/(-400)=(1)/(4) \n \nNow \ use \ y = mx + b \ with \ either \ point \ to \ find \ b, \ the \ y-intercept \ : \n \n y=mx+b \n \n200= (1)/(4) \cdot(-800)+b\n \n200=-200 +b \n \nb=200+200=400 \n \n y= (1)/(4)x+400 \ is \ the \ answer$

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