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Tanzania [10]
3 years ago
14

Point p’ (1,5) is the image of p (-3,1) under a translation khan academy

Mathematics
2 answers:
GarryVolchara [31]3 years ago
6 0

Answer:

<h2>X = \frac{-x}{3}</h2><h2>Y = 5y.</h2>

Step-by-step explanation:

We need to find the translation for which, (-3, 1) becomes (1, 5).

-3 will become 1, if it is divided by -3.

Hence, the translation for x axis is X = \frac{-x}{3}.

1 will become 5, when it is multiplied by 5.

Hence, The translation for y axis is Y = 5y.

german3 years ago
5 0

Answer:

P' is the image of P under a translation by 4 units to the <em>right</em> and 4 units<em> up</em>

Step-by-step explanation:

1.) The original point is P(-3,1) and the image is P'(1,5)

To get from an x coordinate of -3 to an x coordinate of 1, we have to add 4 units.

<em>1-(-3)=4</em>

That means we have to translate the figure 4 units to the <em>right.</em>

2.) To get from a y coordinate of 1 to a y coordinate of 5, we have to add 4 units.

<em>5-1=4</em>

This means we have to translate the figure 4 units <em>up.</em>

3.) Therefore, a translation by 4 units to the right and 4 units up.  

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Solve the equation. <br><br><br> 3p/8-13=-25
dusya [7]

3p/8 - 13 = -25

3p/8 = -12 | * 8

3p = -96 | : 3

P = -32

6 0
3 years ago
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One book costs one pound ninety five pence. How much does six books cost
dusya [7]


All you have to do is times 195 by 6:

   195

x     6

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1 1 7 0

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8 0
3 years ago
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Henry's Butcher Shop uses an electronic scale that measures to 1/100 of a pound. Which is the most accurate measurement based on
vladimir1956 [14]

Answer:

B) 3.16 pounds

Step-by-step explanation:

Accuracy is how close a measured value is to the actual or true value. The balance is accurate to the nearest 1/100 pound; thus, the highest level of accuracy appropriate to the limitations of the balance.

6 0
3 years ago
I don’t really understand this type of stuff so please help.
ohaa [14]

For 1 and 2, you plot both lines, and wherever they intersect is the solution to the system. Given the equation of a line, I think the easiest way to plot it is to find two points on the line, then draw a line through them. For example, if y=5x-1, then when x=0, you get y=-1; when x=1, you get y=4. So plot the points (0, -1) and (1, 4), then strike a line through.

1. Notice that dividing both sides of 2y=10x-2 by 2 returns y=5x-1, same as the first equation. So the system of equations reduces to one equation, which can have an infinite number of solutions. (This is because for any choice of x or y, you can always find a corresponding value for the other variable.)

2. See attached image. 3x-y=2 is given by the purple line.

For 3-6, you have several options. The two simplest methods of solving them are by substitution or elimination.

3. Like with (1), notice that dividing both sides of the first equation by 2 gives x+3y=9, so there will be an infinite number of solutions.

4. (by substitution) Since y=-7x+3, we can replace y in the second equation:

-7x+3+7x=10\implies3=10

but this is false, so there are no solutions to this system.

5. (by substitution) Since x=2y+2, in the first equation we have

-5(2y+2)+3y=-10y-10+3y=-7y-10=11\implies-7y=21\implies y=-3

Then back in the second equation we find

x=2(-3)+2=-6+2=-4

So (-4, -3) is the only solution here.

6. (by substitution) Notice that the left hand sides of both equations are the same, so we end up with 7 = 12, but this is false, so no solution exists.

5 0
3 years ago
One angle is 25° bigger than another angle. the two angles are supplementary. what is the measure of the two angles
Rama09 [41]
1st angle  - x⁰
2nd angle - (x+25)⁰
The angles are supplementary,
so
x+x+25=180
2x=155
x=77.5⁰ -1st angle

77.5+25=102.5⁰ - 2nd angle


3 0
3 years ago
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