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finlep [7]
3 years ago
10

Is -2.5 rational or irrational

Mathematics
2 answers:
finlep [7]3 years ago
7 0
Rational because it can be read as a decimal.
Remember: rational numbers can be read as a whole number, fraction and decimal (even if it’s terminated or repeated with the same number at the end)
Irrational numbers are infinite numbers that cannot be read and they do not repeat over and over within a pattern.
Example the square root of 5 is irrational because it is not a perfect square and it ends up coming out as infinite decimals that continue but don’t repeat in a pattern. Hope this helps :)
kakasveta [241]3 years ago
5 0

rational because it can be written as a fraction

If a number can not be written as a fraction it is irrational

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Line CD contains points A (4, −7) and B (4, 8). The slope of line CD is
Fofino [41]

Answer:

Undefined

Step-by-step explanation:

Slope of CD

=  \frac{8 - ( - 7)}{4 - 4}  =  \frac{8 + 7}{0}  =  \infty \\

Hence, Slope of CD is undefined.

4 0
3 years ago
When translating a figure using a combination of two translations, is the resulting figure congruent to the original figure?
g100num [7]
Yes, when you translate a figure the figure is always congruent to the original figure.

Translation is a type of rigid transformation and after rigid transformation the image is always congruent to the pre-image.

Hope this helps :)
4 0
3 years ago
I really hope you can see it if you can’t please ask me what it says cause I really need help
soldier1979 [14.2K]

Answer:

1.   20 cm^2

2.  40 cm^2

3.   14 cm^2

4    49 cm^2

Step-by-step explanation:

Area of triangle= 1/2(base)*(height)

Area of rectangle= (base)*(height)

1. 1/2(10)(4)=20

2. (8)(5)=40

3.1/2(4)(7)=14

4. (7)(7)=49

5 0
3 years ago
Graph the line with slope 3/4 and y-intercept -6.
lozanna [386]

Answer:

Put a point on -6 on the vertical line, and then go up 3 and over 4 from that point

Step-by-step explanation

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Fernando bought 8 pints of milk. how many fluid ounces of milk Fernando buy?
IRISSAK [1]

128 fluid ounces of milk

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