HELP ME OUT WITH THIS PLEASE
HELP ME OUT WITH THIS PLEASE - 1

Answers

Answer 1
Answer:

Equivalent rational numbers are generated by multiplying both the numerator and denominator by the same nonzero integer. These were calculated for -6/4, -4/12, and -12/10. The given numbers were then graphed on a number line and ordered from least to greatest.

For the first part of the question, equivalent rational numbers can be generated by multiplying both numerator and denominator by the same nonzero integer.

Therefore, equivalent rational numbers for -6/4 are: -12/8, -9/6, and -3/2. For -4/12, we have: -8/24, -2/6, and -1/3. For -12/10, we have: -24/20, -6/5, and -3/2.5.

The second part involves graphing the given numbers on a number line and then ordering them. The order from least to greatest would be: -9/5, -3.2, -3, 13/10, 2.5, and 4.

For more such questions on rational numbers, click on:

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XY is dilated by a scale factor of 1.3 with the origin as the center of dilation to create the image X'Y'. If the slope and length of XY are m and l respectively, what is the slope of X'Y'?

Answers

Answer:  The slope of line X'Y'= m

Step-by-step explanation:

Given: XY is dilated by a scale factor of 1.3 with the origin as the center of dilation to create the image X'Y'.

The slope and length of XY are m and l respectively.

  • Dilation is a transformation that forms similar shape, but with a different size such that the corresponding sides of image and original shape are parallel to each other.

As the slope of parallel line are equal .

⇒ The slope of XY and X'Y' are equal.

Hence, the slope of X'Y' is m.

Hello,

Dilatations conserved parallelism

=> slope of X'Y'=m= slope of XY

Dilatations multiply length by the scale factor

==> |X'Y'|=1.3*|XY-=1.3*L


Which restriction is appropriate for the variable?3y^2 - 3y/y-1

A. no restrictions are needed
B. y= -1
C. y =1
D. y = 3 <---

Answers

Best answer is y=1
Because if the denominator is equals to 1, then the answer will be undefined and we don't want it to be undefined.

What is the perimeter of a rectangle 33 sq m by 3 m

Answers

The answer is 72 because the permeter is 33 by 3 so you multiply 33 and 3 by 2 and add them up
66+6=72

How to solve for y if  the equation is y=5/2x + 5 if x is zeroplease show step by step how to solve

Answers

y=(5)/(2)\cdot0+5\ny=0+5\ny=5
Q,  y=5/2x+x if x is zero 

An, ( y=5/2×0+5 ) as you know if i multiply number to zero you get zero so "x" change to the zero you get
( y=0+5 )= ( y=5 ) that is your answer

Find the missing side b.
A. 16.1
B. 19.7
C. 26
D. 13

Answers

Answer: A . 16.1

Step-by-step explanation:

In the figure we have a right triangle in which one of the leg's length is missing.

  • Pythagoras theorem of right triangles says that the square of hypotenuse is the sum of the squares of the two legs.

For the given triangle , we have(18)^2=b^2+8^2

i.e. \Rightarrow\ 324=b^2+64

i.e. \Rightarrow\ b^2=324-64

i.e. \Rightarrow\ b^2=260

i.e. \Rightarrow\ b=√(260)=16.1245154966approx16.1

Hence, the missing side = 16.1 units

16.1. Solve by using the Pythagorean Theorm. b squared+8 squared= 18 squared. b squared+64=324. Subtract 64 from both sides to get b squared=260. Square root 260 to get 16.1

assume the substance has a half-life of 11 years and the initial amount is 126 grams.How long will it be until only 15 % remains?

Answers

(126) times (1/2 to the x/11 power) = 15% times 126

(1/2) to the x/11 power = 0.15

Take the log of both sides :

(x/11) times log(1/2) = log(0.15)

Multiply both sides by 11 :

'x' times log(1/2) = 11 x log(0.15)

Divide both sides by " log(1/2) " :

x = 11 x log(0.15)/log(1/2) = 30.107 years (rounded)

That's the time it takes for any-size sample of this substance
to decay to 15% of its original size.