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3 years ago

What are the coordinates of the point (-1, 6) after a reflection across the x-axis?

Mathematics

2 answers:

Alex777 [14]3 years ago

7 0

Answer:

B (-1,-6)

Step-by-step explanation:

this may help you

(x,y) across the x is (x,-y)

(-x,y) across the x is (-x,-y) as your question

maks197457 [2]3 years ago

4 0

Answer:

B(-1,-6)

Step-by-step explanation:

reflecting reflecting over the x axis changes the y outputs.

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Please help maths homework

kaheart [24]

Answer:

1). -4

2). -12

Step-by-step explanation:

Because algebra

8 0

3 years ago

Write a formula that can be used to find the area of a sector of a circle explain and justify the formula you wrote

Airida [17]

Answer:

X/360 (r^2)

Step-by-step explanation:

If X is the number of degrees of the sector, then the area will be given by

X/360 *r^2

Where r^2 is the radius of the circle. The denominator of X is 360 because the degrees of a circle add up to 360

For instance, if the sector is half the circle, then we have

180/360 *r^2 (or 0.5(360)*r^2)

8 0

3 years ago

Using Euclid's division algorithm prove that : 847,2160 are co-primes

AysviL [449]

Definition of eo-primes or relatively primes: Two numbers are said to be co-prime or relatively prime If their HCF IS 1 Hence to prove 847 and 2160 as co-prime numbers we will find their HCF and which should be 1

New steps to find HCF will be as under

2160 = 847 x 2+ 466
847 = 466 ×1 +381
466 = 381 x 1 + 85
381 =85 x 4+ 41
85 =41 x 2+3
41 =3 x 13+ 2
3 =2 x 1+1
2 =1 x 2+0

Therefore, the HCF=1 Hence, the numbers are co-primes (relatively prime).

5 0

3 years ago

??????????????????????

ale4655 [162]

Answer:

$Area = 58 \ units^2$

Step-by-step explanation:

We can start by finding the third side of the triangle/the side of the square using the Pythagorean Theorem:

$a^2+b^2=c^2$

In this case the side length of the square would be represented by the variable "c" as it is the hypotenuse:

$3^2+7^2=c^2$

$9+49=c^2$

$c^2=58$

$c=\sqrt{58}$

Since the area of a square is the side length square then...

$Area =( \sqrt{58} )^2$

The square root and the squared cancel out giving us...

$Area = 58 \ units^2$

3 0

3 years ago

El valor de *x* en la operación de -4+2x=0?

Vesnalui [34]

Add 4 to both sides to isolate the variable (-4+4=0) (2x+0=2x) (0+4=4) which leaves you with 2x=4 divide both sides by 2 to get rid of the number in front of the variable to get x by itself (2x/2=x) (4/2=2) therefore you’re left with x=2 (lo siento yo no hablo español la respuesta es x=2)

6 0

3 years ago