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Zarrin [17]
3 years ago
5

3. Which rule describes a transformation across the y-axis?

Mathematics
2 answers:
stiv31 [10]3 years ago
6 0

Answer:

Reflection

Step-by-step explanation:

joja [24]3 years ago
3 0

Answer:

(x, y)  ----->  (-x, y).

(Please mark as brainliest)

Step-by-step explanation:

 We are given to write a rule that describes a transformation across the y-axis. We know that if a point is reflected across the y-axis, then the sign before the x co-ordinate changes. That is, if the point (x, y) is reflected (transformed) across the y-axis, then its new co-ordinates will be (-x, y).

Thus, the required transformation rule is given by (x, y)  ----->  (-x, y).

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If Rahul walks 9km in a week and Vansh walks 900 m daily, which of these is true about the distances they cover in a week?
pantera1 [17]

Answer: Rahul walks 2.7 km more than Vansh.

Step-by-step explanation:

The options include:

a. Vansh walks 7.2 km more than Rahul.

b. Vansh walks 2 km more than Rahul.

c. Rahul and Vansh both cover the same distance.

d. Rahul walks 2.7 km more than Vansh.​

Distance covered by Rahul weekly = 9km

Distance covered by Vansh weekly = 900m × 7 = 6300m = 6300/1000 = 6.3km

From the above, we can see that Rahul walk (9km - 6.3km) = 2.7km more than Vansh.

Note: 1000 meters = 1 kilometers

6 0
2 years ago
"is it possible to have more than one set of seven numbers having a mean of 50 and a standard deviation of 0?"
12345 [234]
The answer is 1.6. How??
8 0
3 years ago
Henry constructed circle A with a radius of 4 units. He then created a sector as shown in the figure below. Which of the followi
Ksivusya [100]

Answer: option D is the correct answer

Step-by-step explanation:

The shaded portion of the circle is the smaller sector whose radius is the same as the radius of the circle which is given as 4 units. The sector is always bounded by two radii with a common point which is the center of the circle and forming an angle at that point. The given sector forms an angle of 45 degrees.

Area of a sector is expressed as

#/360 × π × r^2 and # is in degrees

Therefore, area of the shaded portion or sector = 45/360 × π × 4^2

= 45/360 × 16π

= 45/360 (16π)

4 0
3 years ago
What’s the correct answer for this?
Anvisha [2.4K]

Answer:

P = 4/13

Step-by-step explanation:

In a deck of 52 cards, there are 3 aces(spade, heart, diamond), 1 club ace, and 12 remaining club cards

=> The probability of randomly drawing 1 card that is an ace card or a club card:

P = number of elements/total number of elements

P = (3 + 1 + 12)/52

P = 16/52

P = 4/13

=> Option A is correct

8 0
3 years ago
Heidi wants to make some biscuits using this recipe.
Andre45 [30]

The most cookies Heidy can make is 36 cookies.

<h3>How to calculate how many cookies can Heidy make?</h3>

To know how many cookies Heidy can make, you have to take into account the following information:

12 cookies need the following ingredients:

  • 125g butter
  • 200g flour
  • 50g sugar

In the case in which Heidy has more ingredients, we must carry out the following operations:

Divide the quantities, in the reference quantity we have:

  • 500g of butter ÷ 125g of butter = 4
  • 700g flour ÷ 200g flour = 3.5
  • 250g of sugar ÷ 50g of sugar = 5

According to the above, we must take into account the lowest value of all because if that ingredient is enough, we can infer that the rest of the ingredients also.

So the number of cookies Heidy can make are:

12 × 3.5 = 42

Learn more about ingredients in: brainly.com/question/26532763

7 0
2 years ago
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