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Svetach [21]
3 years ago
5

I need help with these :3 thx

Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0
Y = mx + b
where m is the slope and b is the y-intercept.

1. 2x + 3y = 12
3y = -2x + 12
y = -2x + 4
y-intercept is 4

2. x - 4y = 20
-4y = -x + 20
y = -x - 5
y-intercept is 5

3. y = 2x - 9
this one is easy because it's already in standard form
y-intercept is -9
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45/14 as a decimal rounded to the nearest 10th
ozzi

Answer:

3.2

Step-by-step explanation:

3.21428571429 is the exact answer and rounded to the nearest tenth is the first number after the decimal.

4 0
2 years ago
What is the value of the expression below when X=5 6x+5
Molodets [167]

Answer:

35

Step-by-step explanation:

6 x 5 = 30

30 + 5 = 35

6 0
3 years ago
Read 2 more answers
Write an ordered pair for this point (The point is circled in hot pink)
aleksley [76]

Answer:

(-4,0)

Step-by-step explanation:

The circled point is 4 spaces away from the center and it is on the the x-axis so that's why the answer would be (-4,0)

Your welcome! Brainliest???

:D

8 0
3 years ago
Five hundred sixth-grade students
AveGali [126]

Answer:

The ratio in three ways are 500 : 125 or 100 : 25 or 4 : 1

Solution:

Given that,

Five hundred sixth-grade students  were surveyed

Which means,

sixth-grade students = 500

125 had traveled on an airplane

What is the ratio of total sixth-grade students to the number of students who had  traveled on an airplane?

Therefore,

total sixth-grade students : students  traveled on airplane = 500 : 125

Ratio = 500 : 125

Reduce to lowest terms,

Divide both sides by 5

Ratio = 100 : 25

Further reduce to simplest terms,

Divide both sides by 25

Ratio = 4 : 1

Thus the ratio in three ways are 500 : 125 or 100 : 25 or 4 : 1

Step-by-step explanation:

3 0
3 years ago
I'll probably post alot of math, that's what I need to get 80% in today and I have like 50%
ExtremeBDS [4]

Answer:

Step-by-step explanation:

1. (6/a)x + 5 = 4

(6/a)x = -1

  6x = -a

x = -a/6

2. 2ax + 7 = 13

2ax = 6

ax = 3

x = 3/a

3. -ax - 20 = -14

-ax = 6

x = -6/a

5 0
3 years ago
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