2 years ago

Write in Standard Form, slope is −5 and (8, 9) is on the line

Mathematics

2 answers:

Korvikt [17]2 years ago

6 0

Answer:

my bad

Step-by-step explanation:

irina1246 [14]2 years ago

3 0

Answer: y=-5x+9 in standard form

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Factorise and solve x^2 + 4x -21 = 0

Korvikt [17]

Answer:

(x + 7) (x - 3)

Step-by-step explanation:

Find 2 numbers that add to 4 and multiply to -21

(x + 7) (x - 3)

3 0

2 years ago

Read 2 more answers

(3-5i)(2+9i)+(7+2i)(7-2i)

kondor19780726 [428]

$i^{2} = -1$

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$(3-5i)(2+9i)+(7+2i)(7-2i) = \\ \\ = 6 + 27i - 10i - 45i^{2} + 49 - 14i + 14i - 4i^{2} = \\ \\ =55 + 17i + 45 + 4 = \boxed{104 + 17i}$

7 0

3 years ago

First answer gets brain

Alex787 [66]

$3 \frac{4}{7}m =8 \frac{1}{3} \\ \\\frac{25}{7}m=\frac{25}{3} \\ \\ m= \frac{25}{3}: \frac{25}{7}= \frac{25}{3}* \frac{7}{25}= \frac{7}{3}=2 \frac{1}{3}$