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3 years ago

Which of the following numbers represents 8/9 to the nearest percent?

Mathematics

1 answer:

schepotkina [342]3 years ago

5 0

The number that represents 8/9 to the nearest percent is .89

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Please help me solve 3x + 4y =15 and 3x - y = 30 it is for Algebra I

Makovka662 [10]

Answer:

Step-by-step explanation:

Given the simultaneous equation

3x+4y=15. Equation 1

3x-y=30. Equation 2

Using elimination method

Sutract equation 2 from 1

Then, will have

3x-3x+4y--y=15-50. -×-=+

4y+y=-15

5y=-15

Divide Both sides by 5

y=-15/5

y=-3

From equation 2

3x-y=30

3x--3=30

3x+3=30

3x=30-3

3x=27

Divide both side by 3

x=27/3

x=9

Then, x=9 and y=-3

7 0

3 years ago

Read 2 more answers

Find the product of 3 and the linear equation, and solve for both equations for y.

krok68 [10]

Answer:

Part 1) The product of 3 and 2y-4x=8 is $6y-12x=24$

Part 2) The original equation in slope intercept form is $y=2x+4$

Part 3) The new equation in slope intercept form is $y=2x+4$

Step-by-step explanation:

we have

$2y-4x=8$

step 1

Find out the product of 3 and 2y-4x=8

Multiply both sides by 3

$3(2y-4x)=3(8)$

Apply distributive property both sides

$6y-12x=24$

step 2

Find out the original equation in slope intercept form

The equation of the line in slope intercept form is

$y=mx+b$

we have

$2y-4x=8$

Solve for y

That means ----> Isolate the variable y

Adds 4x both sides

$2y=4x+8$

Divide by 2 both sides

$y=(4x+8)/2$

Simplify

$y=2x+4$

step 3

Find out the new equation in slope intercept form

The equation of the line in slope intercept form is

$y=mx+b$

we have

$6y-12x=24$

Solve for y

That means ----> Isolate the variable y

Adds 12x both sides

$6y=12x+24$

Divide by 6 both sides

$y=(12x+24)/6$

Simplify

$y=2x+4$

8 0

3 years ago

Whoever gets it correct first gets brainliest

timama [110]

3)
82 + p >= 150
p>= 150 - 82
p>= 68

answer A.

4)
x/-10 > 6
x > -60
answer
x > -60

5)
5z >= - 75
z >= -75/5
z >= -15

answer
z >= -15

7 0

3 years ago

What is the area of an octagon when the 8 sides are 5

katrin [286]

Answer:

40cm² there you go

Step-by-step explanation:

Area =side×side so 8×5=40

6 0

3 years ago

What is the term used to describe the distance of a complex number from the origin in a complex plane?

IceJOKER [234]

In a rectangular form of a complex number, where a + bi, a and b equates to the location of the x and y respectively in a complex plane. The modulus |z| is the term used to describe the distance of a complex number from the origin. Hence, |z| = √(a²+b²)

3 0

3 years ago