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Luba_88 [7]
3 years ago
5

Seven times the difference of twice a number and nine ...

Mathematics
2 answers:
neonofarm [45]3 years ago
8 0

Answer:

7(2x-9)

Step-by-step explanation:

Irina18 [472]3 years ago
3 0

Answer:

4.5

Step-by-step explanation:

7(2x-9)

14x-63=0

14x=63

X=4.5

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What is the y-intercept of y = -2x+6y=−2x+6?
goblinko [34]

Answer:

6

Step-by-step explanation:

Given: y=-2x+6

Since the equation is written in slope-intercept form, it is extremely easy to find the y-intercept. Slope-intercept form is written as:

y=mx+b

Whereas:

y: range

m: slope

x: domain

b: y-intercept

With that in mind, we can immediately tell that 6 is the y-intercept.

6 0
3 years ago
Read 2 more answers
Write an equation for this parabola. The vertex is ( 1, 3)
frosja888 [35]

a(x - 4)(x + 2) =  \\ a {x}^{2}  - 2ax - 8a
so put x=1 solve
a - 2a - 8a = 3 >  >  >  - 9a = 3 \\ a =  \frac{ - 1}{3}
then
\frac{ - 1}{3}  {x}^{2}  +  \frac{2}{3}  +  \frac{8}{3}


3 0
3 years ago
Mr. Chavez needs 7 lbs of gummy bears to make gummy bears with chamoy
Svetradugi [14.3K]

Answer:

3 lbs

Step-by-step explanation:

7 lbs total

2 + 2 = 4 so we already have 4lbs

7 - 4 = 3

we need 3 more lbs

8 0
3 years ago
One equation 0f a pair of dependent linear equations is -5x+7y=2.The second equation can be a)10x-14y=-4 b)-10x-14y+4=0 c)-10x+1
Talja [164]

Answer:

a) 10x - 14y = -4

Step-by-step explanation:

Two equations linear dependent if you can write one as a multiple of the other. It means that the equation that is a linear dependent with -5x+7y=2 is:

10x - 14y = -4

Because it can be written as:

-2(-5x+7y) = -2(2)

So, this equation is equivalent to -5x + 7y = 2

5 0
3 years ago
Brianna paid $350 for a rug. The price of the rug that Bill purchased was 2/5 the price that Brianna paid. How much did Bill pay
lora16 [44]
350 divided by 5= 70
70x2=140
The price of the rugs that Bill purchased is 140 dollars
5 0
4 years ago
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