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3 years ago

What is the slope of the line? -4x+7=2y-3

1 answer:

8 0

Answer: -2

In order to find the slope of this equation you must put it into slope form which is y=mx+b
Solved: y= -2+5
M is the slope

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If a scale is 1:5000 and the model length is 15 cm how much cm is the real length?

meriva

Answer:

250

Step-by-step explanation:

cm in the equation.

6 0

2 years ago

21 3/4 as a improper fraction

Oduvanchick [21]

Answer:

87/4

Step-by-step explanation:

<u>Step 1: Convert 21 3/4 into an improper fraction</u>

21 3/4 is same as 21 * 4/4 + 3/4

21 * 4/4 = 84/4

84/4 + 3/4

87/4

Answer: 87/4

4 0

3 years ago

Read 2 more answers

Create a table to find the third differences for the polynomial s^3 − s^2 +s for integer values of ss from −3 to 3.

evablogger [386]

Step-by-step explanation:

$f(s)=s^3-s^2$

at s = -3

$f(-3)=-3^3-(-3)^2=18$

at s = -2

$f(-2)=-2^3-(-2)^2\\\Rightarrow f(-2)=-12$

at s = -1

$f(-1)=-1^3-(-1)^2\\\Rightarrow f(-1)=-2$

at s = 0

$f(0)=0^3-0^2\\\Rightarrow f(0)=0$

at s = 1

$f(1)=1^3-1^2\\\Rightarrow f(1)=0$

at s = 2

$f(2)=2^3-2^2\\\Rightarrow f(2)=4$

at s = 3

$f(3)=3^3-3^2\\\Rightarrow f(3)=18$

First difference

$f(-2')=f(-2)-f(-3)=-12-18=-30$

$f(-1')=f(-1)-f(-2')=-2--12=10$

$f(0')=f(0)-f(-1)=0--2=2$

$f(1')=f(1)-f(0)=0-0=0$

$f(2')=f(2)-f(1)=4-0=4$

$f(3')=f(3)-f(2)=18-4=14$

Second difference

$f(-1'')=f(-1')-f(-2')=10--30=40$

$f(0'')=f(0')-f(-1')=-8-40=-48$

$f(1'')=f(1')-f(0')=-2--8=6$

$f(2'')=f(2')-f(1')=14-4=10$

Third difference

$f(0'')-f(-1'')=-8-40=48$

$f(1'')-f(0'')=-2--8=6$

$f(2'')-f(1'')=4--2=6$

$f(2'')-f(1'')=10-4=6$

18 -12 -2 0 0 4 18

-30 10 2 0 4 14

40 -8 -2 4 10

-48 6 6 6

6 0

3 years ago

Find the least common denominator for these fraction 4/8 and 1/4

babymother [125]

Answer:

Step-by-step explanation:

As,

1/4 = (1×2)/(4×2) = 4/8

4/8 = (4×1)/(8×1) = 4/8

In both case,

The denominator 8 is least common multiple

8 0

2 years ago

PLS HELP I NEED THE CORRECT ANSWER FOR THIS

sladkih [1.3K]

Answer:

first step close the computer u failed

5 0

3 years ago