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bulgar [2K]
2 years ago
7

I need help with math and there 15 questions

Mathematics
2 answers:
AlexFokin [52]2 years ago
8 0
Your answer is 9m v=x^3=729 x^3=9^3 x=9
charle [14.2K]2 years ago
5 0
The answer is 9m v=x^3=729

x^3=9^3
x=9m

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Solve for x my homies and whoever answers it i just wanna say thank you my dude.
lara [203]
The answer is A) x=-1
4 0
2 years ago
A line with a slope of -2 is written in the form y=mx+b.
yanalaym [24]

Answer:

b = 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + b ( m is the slope and b the y- intercept )

Here m = - 2 , then

y = - 2x + b ← is the partial equation

To find b substitute (5, - 7 ) into the partial equation

- 7 = - 10 + b ⇒ b = - 7 + 10 = 3

5 0
2 years ago
A theater sells adult tickets for $8.00 and Children's tickets for 5.50. Sally bought some of each kind (not the same number) an
sdas [7]
8x +(5.5)y=78.50 is the equation.
8 0
2 years ago
What expression represents the phrase eight less than the product of a number and two
JulijaS [17]

Answer:

Step-by-step explanation:

eight less then the product of a number and 2

" the product " means multiply

the product of a number and 2.......2x

eight less....-8

2x - 8 <=== ur expression

5 0
3 years ago
Read 2 more answers
FIND BD !!!!!!!!!!!!!!!!!!!!
Viktor [21]

BD = 2x-4

But it's also BE - CE + CD

BE is 3x-1

CE is 2x-3

CD is 2

so

BD = 3x-1 -(2x-3) +2

simplified

BD = 1x +4

since BD = BD (obviously), we can also say that the righthand sides of the two equation must be equal

2x -4 = 1x +4

let's solve for x and that put it into either of the 2 equations.

2x -4 = 1x +4

subtract 1x on both sides

x -4 = 4

add 4 on both sides

x = 8

substitute x for its value in 2x -4 = 1x +4

(this way we double check BD in two expressions at once. the equation should come out true, meaning same value for BD in each expression. both sides should be equal).

2*8 -4 = 1*8 +4

12 = 12

seems true

BD is safely 12

4 0
3 years ago
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