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Lera25 [3.4K]
3 years ago
12

The image of the point (1, -2) after a rotation of 180° about the origin is

Mathematics
2 answers:
Reika [66]3 years ago
8 0

Answer:

(-1,2)

Step-by-step explanation:

In this problem, the signs are switched because there is a rule to 180 rotation that is (x,y) to (-x,-y).

(1,-2)×(-1x, -1y)= (-1,2) .

if both points were negative, the points would be positive. if they were positive, they would be negative.

Harlamova29_29 [7]3 years ago
4 0

Answer:

(-1,2)

Step-by-step explanation:

Found answer on brainly.

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4/10 divided by 5/8 ​
blsea [12.9K]

Answer: 16/25

<h2>Solution with Steps</h2>

4/10 divided by 5/8 = ?

Dividing two fractions is the same as multiplying the first fraction by the reciprocal or inverse of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes -

4/10 x 8/5 = ?

For fraction multiplication, multiply the numerators and then multiply the denominators to get -

Numerators: 4 x 8 = 32

Denominators: 10 x 5 = 50

Fraction: 32/50

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 32 and 50. The GCF (Greatest Common Factor) would be 2.

Numerator: 32 / 2 = 16

Denominator: 50 / 2 = 25

Fraction: 16/25

<h2>Another Solution</h2>

4/10 divided by 5/8 = ?

Cross multiply -

Numerator x Denominator: 4 x 8 = 32

Denominator x Numerator: 10 x 5 = 50

Fraction: 32/50

Reduce by dividing both the numerator and denominator by the Greatest Common Factor, which is 2.

Numerator: 32 / 2 = 16

Denominator: 50 / 2 = 25

Fraction: 16/25

5 0
3 years ago
Which is an estimate of _/75<br> nearest whole number?
Igoryamba

Answer:

9 is closest whole number

5 0
3 years ago
Read 2 more answers
(The question is in the photo)
Naddik [55]

Answer:

6.99

Step-by-step explanation:

11.99+2.99+5.99=20.97

20.97/3=6.99

6 0
3 years ago
Read 2 more answers
PLEASE HELP!!! THIS IS MY LAST QUESTION!! PLEASE(show work)
natita [175]

Answer:

  • sign = negative, degree = 5

Step-by-step explanation:

<u>The graph has negative leading coefficient as </u>

  • x → ∞, y → - ∞

It is of the odd degree, and the degree is most probably 5

7 0
3 years ago
The perimeter of an equilateral triangle is at most 72, what would this be as an inequality?
Reptile [31]

at most is either that number or less

 so x<=72 would be the inequality

6 0
4 years ago
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