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Alona [7]
2 years ago
9

Pls awnser asap!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
dexar [7]2 years ago
7 0

Answer:

0.875

Step-by-step explanation:

they're proportional.

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What is the equatipn of the linear graph?<br> (-4, 6).<br> (1, -9)
dusya [7]

Answer:

y = -3x - 6

Step-by-step explanation:

first, find the slope

(-4, 6)

(1, -9)

remember the equation for the slope

\frac{y_{2}-y_{1}}{x_{2} - x_{1}} }

insert given points

x_{1} = -4\\y_{1} = 6\\\\x_{2} = 1\\y_{2} = -9

((-9) - (6)) / ((1) - (-4))

simplify

( -9 - 6) / (1 + 4)

= -15/ 5

= -3

now insert it into the equation of the line

remember, the equation of the line is

y = mx + b

where "m" is the slope

and "b" is the y-intercept

to find "b", you just have to plug in a point that is found on the line

we know that (-4, 6) and (1. -9) is found on the line, so let's just use (-4, 6) for this problem

y = mx + b

substitute in the slope of this line

y = -3x + b

now substitute in the given points

6 = -3 * -4 + b

and solve it like any algebra problem, by inverse operations and simplifying

6 = 12 + b

-12      -12

-6 = b

so the equation of the line is

y = -3x -6

3 0
3 years ago
4.6x-9.3=27.5 NEED HELP asap
gavmur [86]

Answer:

x=8

Step-by-step explanation:

4.6x-9.3=27.5

      +9.3  +9.3

-------------------------

4.6x=35.8

4.6x/4.6       35.8/4.6

x=8

3 0
3 years ago
Read 2 more answers
Simplify: (–4) • (9) – (5) • (–2)
Likurg_2 [28]
-4 x 9 - (-10)

= - 45 + 10
= - (45 - 10)
= - 35

Rule: Negative times positive is negative; Negative times negative is positive
3 0
3 years ago
At Cindy's birthday each guest will get one-third of a medium sized pizza. There will be 12 people at the party, including Cindy
tiny-mole [99]

Answer: 4 pizzas

Step-by-step explanation:

There are to be 12 people at the party.

Each person is expected to take 1/3 of a pizza.

The total number of pizza needed is therefore:

= No. of people * quantity of pizza

= 12 * 1/3

= 4 pizzas

<em>Note: Answer would be 6 if each guest wanted 1/2 of a pizza. </em>

3 0
2 years ago
2y+3=11<br> two y add three = 11
sveticcg [70]

Answer:

 y=4.5

Step-by-step explanation:

2y+3=11

2y=11-3

2y=9

y= 4.5

7 0
2 years ago
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