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Gelneren [198K]
3 years ago
12

Explain how you can use the rules you know for multiplying positive and negative integers to multiply positive and negative frac

tions.
Answer in at least 2 complete sentences.
Mathematics
1 answer:
love history [14]3 years ago
7 0

Answer:

Whether the answer is positive or negative depends on the number of positive and negative values in the question. The rules are exactly the same as to whether an answer is positive or negative. In the case of fractions, the rules for multiplying fractions apply as well (the numerators in the expression multiply to produce the product's numerator; the denominators in the expression multiply to produce the product's denominator) and the answer should be reduced to lowest terms.

If there is an odd number of negative terms, the answer will be negative.

If there is an even number of negative terms, the answer will be positive.

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Hiii please help! i’ll give brainliest if you give a correct answer tysm!
adelina 88 [10]

Answer:

The answer is D

Step-by-step explanation:

You cross multiply 5 and 5 and 2 and 6 to create a new fraction

5 0
3 years ago
Read 2 more answers
Help please and no links
bearhunter [10]

Answer:

The first choice ( Refection over x axis)

Step-by-step explanation:

Take a mirror and put it on the x-axis and imagine the triangle which be create

I hope that is useful for you :)

8 0
3 years ago
Find the coordinates of the reflection: B (5, 4) is reflected over the line x=1
zepelin [54]

Answer:

The coordinates of point B' are (-3, 4) ⇒ C

Step-by-step explanation:

If the point (x, y) reflected across the line x = a, then a is the x-coordinate of the midpoint of the segment joining the point and its image

∵ The coordinates of point B are (5, 4)

∴ x = 5 and y = 4

∵ The point B is reflected over the line x = 1

→ From the rule above

∴ a = 1

∵ The rule of the midpoint is M = (\frac{x1+x2}{2} , \frac{y1+y2}{2})

→ The point B is (x1, y1) and the point B' is (x2, y2)

∵ a is the x-coordinate of the midpoint of segment BB'

∴ a = \frac{x1+x2}{2}

∵ x1 = 5 and x2 = x

→ Substitute the value of a, x1 and x2 in the rule above

∴ 1 = \frac{5+x}{2}

→ Multiply both sides by 2

∵ 2 = 5 + x

→ Subtract 5 from both sides

∴ 2 - 5 = 5 - 5 + x

∴ -3 = x

∴ The x-coordinate of B' = -3

→ y-coordinate of B' = y-coordinate of B because the reflection across

   x = a does not change the y-coordinate

∴ y-coordinate of B' = 4

∴ The coordinates of point B' are (-3, 4)

8 0
3 years ago
(a) Reflect the point (7, -9) across the y-axis:
UkoKoshka [18]

Answer:

(-7,-9) and (7,9)

Step-by-step explanation:7,-9 so we do across the x so you need a graph for this now x goes left so we plot the coordinates in the third box 7,-9 is in the 4 box so after we plotted that you can see it reflects.Now y coordinate since the y line goes up we plot the coordinates on top of the 4 box where our original coordinates stay now it should be 7,9 the y becomes positive which is 9.

This is not a web answer i answered myself took me some time!

8 0
3 years ago
Read 2 more answers
If two sides of a triangle measure 18 centimeters and 22 centimeters what could be the measure of the third side
victus00 [196]

Answer:

see explanation

Step-by-step explanation:

given 2 sides of a triangle then the third side x is in the range

difference of 2 sides < x < sum of 2 sides , that is

22 - 18 < x < 22 + 18

4 < x < 40

3rd side can be any value from 5 to 39

6 0
2 years ago
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