2 years ago

PLEASE HELP ASAP I WILL GIVE BRAINLIESS NO GUESSING!!!

Mathematics

1 answer:

tino4ka555 [31]2 years ago

5 0

Answer:

Step-by-step explanation:

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Number 13 ASAP pleaseee

lawyer [7]

Answer:

yeah I'm new and I'm only at first year of high school so I don't know

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3 years ago

3. For the equation-4y = &r, what is the constant of variation? (1 point)<br> ООО<br> 02

alexandr1967 [171]

Answer:

3).

$- 4y = 8x \\ \frac{y}{x} = \frac{8}{ - 4} \\ \frac{y}{x} = - 2 \\ y = - 2x \\ hence \: constant \: is \: - 2$

4).

$y \alpha x \\ y = kx \\ where \: k \: is \: the \: constant \: of \: proportionality \\ when \: y = 24 \: and \: x = 8 \\ substitute \: in \: y = kx \\ 24 = 8k \\ k = \frac{24}{8} \\ k = 3 \\ value \: of \: constant = 3$

If it was by 10, k = 3 by 10

k = 30

5).

$general \: equation \: of \: line \\ y = mx + c \\ but \: m = \frac{2}{3} \: and \: c = 9 \\ substitute \: for \: m \: and \: c \: in \: y = mx + c \\ y = \frac{2}{3} x + 9 \\ alternatively \\ 3y = 2x + 27$

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3 years ago

Multiple choice please answer please

faust18 [17]

Answer:

15/17

Step-by-step explanation:

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3 years ago

Read 2 more answers

At an apple picking farm, you are allowed to pick up to 25 apples a day and you have already picked 12. Find the possible number

SashulF [63]

Answer:

Step-by-step explanation:

25d - 12 = ?

1 day = 25(1) - 12 = 13

12 + 13 = 25

5 0

3 years ago

Jonathan uploaded some original songs and also some pictures. alissa uploaded four times as many songs, but only uploaded twice

lesya [120]

X is the number of songs and Y the number of pics

our 2 equations will be - X+y=11 & 4x+2y=24

consider x=11-y

Lets replace x in 2:

=4(11-y) +2y=24

=44-4y+2y=24

=44-24= 4y-2y

=20= 2y

=Y=20/2

=Y=10

Lets replace y in 1

=X+10=11

=X=11-10

=X=1

To learn more about equations from the given link

brainly.com/question/269374

#SPJ4

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1 year ago