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Tresset [83]
2 years ago
13

HELP ASAPP 30 points!!!!! Which number is rational?

Mathematics
1 answer:
Anna35 [415]2 years ago
6 0

Answer:

d

Step-by-step explanation:

because its a whole number as in the square root is 4

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20 points!! Pls help
Studentka2010 [4]

Answer:

<h3>(-4, 1)</h3>

Step-by-step explanation:

-x-3=y, therefore x = -y-3

-3x - 8y = 4

Find the value of y

Substitute the x in -3x - 8y = 4 with -y-3

We get

-3·(-y-3) - 8y = 4

3y + 9 - 8y = 4

-5y = 4-9

-5y = -5

<h3>y = 1</h3>

_______________

Find the value of x

x = -y-3

x = -1-3

<h3>x = -4</h3>

_______________

Answer (x, y) =

<h3>(-4, 1)</h3>

_____________________

#IndonesianPride - kexcvi

5 0
3 years ago
Read 2 more answers
(4x2 – 6x + 2) + (-5x2 + 6x – 6)
lys-0071 [83]
(4*2-6x+2)+(-5x2+6x-6)
8-6x+2+(-5)*2+6x-6
8-6x+2-10+6x-6
\not 10-6x-\not10+6x-6
-6x+6x-6
-6
The answer is: -6

3 0
3 years ago
What is the equation of the line that passes through (6,4) and (4,1)
Murrr4er [49]

Answer:

y = 3/2*x - 5

Step-by-step explanation:

Lets say that P1=(6,4) and P2=(4,1) and that the form of the equation must be y=m*x+b where m is the slope and b the independent variable. Then having two given points we can use the slope formula to find the slope value as:

P1=(x1,y1) and P2=(x2,y2)

slope formula --->   m=(y2-y1)/(x2-x1)

Replacing the given points --->    m=(1-4)/(4-6) = 3/2

then replacing the slope value obtained:

y = 3/2*x + b

Now lets find the value of b. For this we have to replace in the equation a point it can be P1 or P2, i will replace P2:

1 = 3/2*4 + b

1 = 6 + b

1 - 6 = b

-5 = b

therefore the line equation is:

y = 3/2*x - 5

3 0
3 years ago
A movie theater sends out a coupon for 75 percent off. Write an equation for the situation​
ZanzabumX [31]
75%. Move the decimal to spots to the left so .78 then divided it by the cost of the movie ticket and that will be the cost of the ticket with the Collin
6 0
2 years ago
Simplify. Assume that all variables are positive.
mihalych1998 [28]

Answer: -3x^{2} y\sqrt[3]{2y}

Step-by-step explanation:

7 0
2 years ago
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