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4 years ago

What transformation transforms (a, b) (a, -b)

Mathematics

1 answer:

Ipatiy [6.2K]4 years ago

7 0

Answer:

see explanation

Step-by-step explanation:

Under a reflection in the x- axis

a point (x, y ) → (x, - y )

We have

(a, b ) → (a, - b ) ← reflection in the x- axis

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Explain the different ways it is possible to add two rational numbers and get a negative number

snow_lady [41]

Answer:
both numbers are negative
negative number is greater than the positive number

Explanation:
In order to add two rational numbers and get a negative value, one of two scenarios should occur:
1- both numbers are negative.
In this case, the answer would definitely be negative as the two numbers are originally negative
Examples:
-9 + -2 = -9 - 2 = -11
$\frac{-1}{2} + \frac{-3}{2} = \frac{-4}{2} = -2$

2- negative number is greater than the positive number
In this case, the negative sign would dominate and the result would be negative
Examples:
-9 + 3 = -6
$\frac{-5}{6} + \frac{2}{6} = \frac{-3}{6}$

Hope this helps :)

5 0

3 years ago

Read 2 more answers

In 3 hours, a car travels 120 miles. What is the speed of the car

-Dominant- [34]

40 miles an hour and yeah..

3 0

3 years ago

Read 2 more answers

Angel paints three rooms with two gallons of paint. How many rooms can he paint with fifteen gallons of paint?

Vanyuwa [196]

Answer:

22 rooms

Step-by-step explanation:

If two gallons of paint covers 3 rooms then you need to divide 15 gallons of paint by 2 gallons of paint = 7.5 gallons of paint. then you need to multiply 7.5 gallons of paint by 3 rooms = 22.5..... so that means you can paint 22 full rooms.

6 0

3 years ago

Drag each tile to the correct location. Not all tiles will be used.

Novosadov [1.4K]

Answer:

25:64

Step-by-step explanation:

surface : 4×pi×R^2

R1 = 5x

R2 =8x

4piR1^2 / 4piR2^2 = R1^2/R2^2 = 5x^2/8x^2 = 25x^2/64x^2 = 25/64

4 0

3 years ago

F(x)= x to the 4th power + x to the 3 power - 11 x to the 2 power - 9x + 18

postnew [5]

Graficamente ficará :

3 0

3 years ago