Which rule describes a translation that is 6 units to the left and 4 units up?

Answers

Answer 1

Answer: x represents displacements which are positive to the right of the origin, while y represents displacements which are positive when vertically upward.

Then the required displacement has x decreasing by 6 units, and y increasing by 5 units. (x – 6, y + 5) is then the correct answer

Answer 2

Answer:

Unit 4 Lesson 9 Unit Test "Transformations"

1) A. I and III only

2) C.

3) B. (x,y) arrow (x-6, y-5)

4) D. (4,-5)

5) C. P'(4,1), Q'(2,-8), and R'(-8,-1)

6) D.

7) A. ON

8) A. 240 Degrees

9) D. 6

10) C. S

11) C. Circle

12) D. No symmetry

13) A. (5,9)

14) D is flipped when reflected over l and is regular when reflected over m

15) Translation; does not rotate just slides down and is not altered

16)

17) A(-3,1)=(-12,4), B(4,-3)=(16,-12) C(2,3)=(8,12) D(-1,4)=(-4,16) Since you multiply each by the scale factor of 4.

All multi choice are 100% correct I just took the test.

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Molly's custom kitchen supplies sells handmade forks and spoons. It costs the store $1.70 to buy the supples to make a fork and $1.30 to buy the supplies to make a spoon. The store sells forks fr $5.60 and spoons for $5.40. Last April Molly's custom kitchen supples spent $37.90 on materials for forks and spoons. They sold the finished products for a total of $147.20 . How many forks and how many spoons did they make?

Answers

let the no of forks be x and no of spoon be y
1.7x + 1.3y = 37.9
5.6x + 5.4y = 147.2
solving for x and y, we get
multiplying eqn 1 by 5.6 and equation 2 by 1.7 we get
9.52x + 7.28y = 212.24
9.52x + 9.18y = 250.24
subsrtracting eqns we get
7.28y - 9.18y = 212.24 - 250.24
1.9y = 38
y = 20
x = (37.9 -1.3*20)/1.7
= 7

Ted throws an object into the air with an initial vertical velocity of 54 feet per second from a platform that is 40 feet above the ground. About how long will it take the object to hit the ground?

Answers

Answer:

The height of the object as a function of time is given by:

$h(t) = -16t^2+vt+h$ .....[1]

where,

h(t) is the height of the object t second after it is thrown.

v is the initial velocity

h is the initial height.

As per the statement:

Ted throws an object into the air with an initial vertical velocity of 54 feet per second from a platform that is 40 feet above the ground

⇒v = 54 ft/sec and h = 40 feet above the ground.

Substitute in [1] we have;

$h(t) = -16t^2+54t+40$

we have to find how long will it take the object to hit the ground.

Substitute h(t) = 0

then;

$-16t^2+54t+40 = 0$

⇒ $-8t^2+27t+20=0$

Factorize this equation:

$-8t^2+32t-5t+20=0$

⇒ $-8t(t-4)-5(t-4)=0$

⇒ $(t-4)(-8t-5)=0$

By zero product property we have;

t-4 = 0 and -8t-5 = 0

⇒t = 4 and -8t = 5

⇒ t= 4 and t = - 0.625

Since, time cannot be in negative;

⇒ t= 4 sec

therefore, 4 seconds will it take the object to hit the ground

PERFECT application of the general equation of things
that are moving up and down in gravity:

   H(t) = H₀ + v₀t + 1/2 g t²

t = time after the toss
H(t) = height at any time after the toss
H₀ = height from which it's tossed
v₀ = initial speed
g = acceleration of gravity

I'm going to call 'UP' = the positive direction .
So ...

H₀ = +40 ft
v₀ = +54 ft/sec
g = -32 ft/sec²

When the object hits the ground, H(t) = 0 .
So you have ...

   0 = 40 + 54 t - 16 t²

Let me re-write that for you, to make it a
little easier and more familiar:

      - 16 t² + 54 t + 40 = 0

Divide each side by -2 :    8 t²   - 27 t - 20 = 0

Now go to your toolbox, pull out your quadratic formula,
solve that quadratic equation, and you'll get the usual two
solutions.

The positive one is the one you want.

The negative one refers to time before the toss, and may be discarded.

Cual es el resultado 240÷34

Answers

Вот ,,,…..,,,,,,,,,,,,,,

Rename the number. 204 thousands= ---------

Answers

Answer : 20,400

Explanation : The name itself suggests that it is 204 thousands.

Which means it has 20 thousands 400.

As renaming process involves, the ability to flexibly rename numbers starting with a whole numbers and move through tens, hundreds, thousands, ten thousands, and so on.

This helps us to find that 204 thousands is 20400 as it says it is a thousand digit value and has three digits in it. To qualify to be called as a thousand it needs to have at least 4 digits in it. But, it has 5 digits because it falls under the category of ten thousands range; which means it should be in 5 digits.

Therefore, the answer is 2→Ten thousand 0→Thousand, 4→ hundred 00→Tens .

So, the answer is correct 20,400.

The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is 2l + 2w = 16, where l represents the length of the rectangle and w represents the width of the rectangle. Which value is possible for the length of the rectangle? 7 in. 8 in. 9 in. 10 in.

Answers

Answer:

The value which is possible for the length of the rectangle is:

7 in.

Step-by-step explanation:

We know that in order to form a rectangle the length and width of a rectangle must be in positive dimension.

i.e. l,w>0

where l denotes length and w denotes width of the rectangle.

Also, The perimeter of a rectangle is 16 inches.

Hence, the equation that represents the perimeter of the rectangle is:

2l + 2w = 16.

i.e. on dividing both side of the equation by 2 we obtain:

l+w=8

Now, when l=7 we get w=1

Hence, it could be a possible value.

Also, when l=8 then w=0 which is not possible.

Similarly when l=9, w= -1 which is again not possible.

and when l=10 then w= -2 which is again not a possible dimension.

The answer is:

7 in.

Hello,

Thus l+w=8

if l=7 =>w=1 Possible
if l=8 ==>w=0 Impossible not a rectangle
if l=9==>w=-1 not possible
if l=10 ==>w=-2 not possible.

Answer A

When 2 lines cross, 2 pairs of vertical angles are formed. What is the sum of all 4 angles?

Answers

If 2 Lines are crossing together to make 2 pairs of Vertical Angles, the sum of all 4 Angles will always be equal to 360°.

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Whats 4 plus 8???????

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The height (in feet) of punted football is a function of the time the ball is in the air. The function is defined by h(t) = - 7t ^ 2 + 48t . What is the height of the football after 4 seconds?

"I am thinking of a number 3 _ 4 Of my number is 12 Work out 5 times my number. You must show your working "