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yKpoI14uk [10]
3 years ago
13

21/5 is the additive inverse ofa)-4.2b)-5/21c)-4.5d)5/21​

Mathematics
1 answer:
Alex Ar [27]3 years ago
6 0

Answer:

It’s B but I feel it should have been -21/5

Step-by-step explanation:

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X^8+8x^7+15x^6−9x^5−72x^4−135x^3+8x^2+64x+120
LenaWriter [7]

Answer:

(x+3)(x+5)<em>(x-2)(x-1)</em><u>(x^2+2x+4)(x^2+x+1)</u> where the given one is bolded the 2 binomials is italicized  and the 2 trinomials is underlined

Step-by-step explanation:

6 0
2 years ago
Anyone know how to simplify a whole number into a mixed number or a improper fraction???
AlekseyPX

Answer:

Example any whole number over one would be an improper fraction, so 2=2/1, something like 5/3=1 2/3 would be a mixed number, subtract the numerator by the denominator, how ever many times you can subtract is the whole number and the amount remaining is the numerator, keep the same denominator,,, hope that makes sense

Step-by-step explanation:

3 0
2 years ago
Write an equation in point-slope form of the line that passes through the point (9,0) and has a slope of m=-3 .
aksik [14]

Answer:

y =  - 3x + 27

Step-by-step explanation:

The standard form for the equation of the line is

y = mx + c

Recall that:

y = 0 \:  \:  \: x = 9 \:  \:  \: m =  - 3 \\ y = mx + c \\ 0 =  - 3(9) + c \\ 0 =  - 27+ c \\ 27 = c

Therefore the equation of the line is:

y = mx + c \\ y =  - 3x + 27

5 0
2 years ago
In what quadrant would the ordered pair (-6, -9) be located?<br><br> I<br> II<br> III<br> IV
RoseWind [281]
It would be the 3rd option

8 0
3 years ago
Read 2 more answers
1 David buys 4 kg of apples from the supermarket for £1.60.
liberstina [14]

Answer:

£ 2.8

Step-by-step explanation:

4 kg = 1.60

1 kg= 1.6/4 = £0.4

7 kg = 0.4*7 = £2.8

4 0
2 years ago
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