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3 years ago

What is 2 1/2 in inches?

Mathematics

2 answers:

vodomira [7]3 years ago

6 0

In fraction form it would be 5/2

Mice21 [21]3 years ago

6 0

Answer:

Formula: multiply the value in centimeters by the conversion factor '0.393700787402'. So, 2 1/2 centimeters = 2 1/2 × 0.393700787402 = 0.984251968505 inch.

Step-by-step explanation:

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Let T:P3â†’P3 be the linear transformation such that T(â’2x2)=3x2+4x, T(0.5x+3)=â’3x2+3xâ’4, and T(2x2â’1)=â’3x+4. Find T(1), T(

balu736 [363]

It looks like we're told that

$T(-2x^2)=3x^2+4x$

$T\left(\dfrac12x+3\right)=-3x^2+3x-4$

$T(2x^2-1)=-3x+4$

We use the fact that $T$ is linear to find $T(1),T(x),T(x^2)$ . First, we notice that

$T(-2x^2)+T(2x^2-1)=T(-2x^2+2x^2-1)=T(-1)=-T(1)$

We also have

$T\left(\dfrac12x+3\right)=T\left(\dfrac12x\right)+T(3)=\dfrac12T(x)+3T(1)$

$T(2x^2-1)=T(2x^2)-T(1)=2T(x^2)-T(1)$

So once we find $T(1)$ , we can determine $T(x)$ and $T(x^2)$ . We have

$T(1)=-\left(T(-2x^2)+T(2x^2-1)\right)\implies T(1)=-3x^2-x-4$

and using this we find

$T(x)=12x^2+12x+16$

$T(x^2)=-\dfrac32x^2-2x$

Then

$T(ax^2+bx+c)=T(ax^2)+T(bx)+T(c)=aT(x^2)+bT(x)+cT(1)$

$T(ax^2+bx+c)=-\dfrac32\left(a-8b+2c\right)x^2-(2a-12b+c)x+16b-4c$

8 0

4 years ago

Sjsndjndjsbxhdhbdhdndjdndn

Sauron [17]

Answer:

$g(-2)=8$

Step-by-step explanation:

We just need to evaluate the function at -2.

The function is:

$g(x)=x^{2}-2x$

Therefore, g(-2) will be:

$g(-2)=(-2)^{2}-2(-2)$

$g(-2)=4+4$

$g(-2)=8$

I hope it helps you!

7 0

3 years ago

Mark as brainliest<br><br> answer correctly and explain not dumb not long

nekit [7.7K]

Answer:

○ I, II, and III

Step-by-step explanation:

Long explanation short, dividing an expression by 2 is the exact same as multiplying an expression by ½. That is to say, dividing a term is the exact same as multiplying by its multiplicative inverse, so all three of these would qualify.

I am joyous to assist you anytime.

6 0

3 years ago

I don't know if I asked this already but: 3x+2y=11 2x-2y=14 Solve for the variables.

barxatty [35]

Answer:

x = 5, y = -2.

Step-by-step explanation:

3x+2y=11

2x-2y=14

Adding removes the y terms:

5x = 25

x = 5.

Substitute for x in the first equation:

3(5) + 2y = 11

2y = 11 - 15 = -4

y = -2.

5 0

3 years ago

Read 2 more answers

Three numbers are in the ratio 2:3:4. What are the numbers if their sum is 72?

Alborosie

Step-by-step explanation:

2N+3N+4N=9N

9N=72

N=72/9

N=8 ANS

hope it helps!

.......

4 0

3 years ago

Read 2 more answers

What is 2 1/2 in inches?​

What is 2 1/2 in inches?