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riadik2000 [5.3K]
3 years ago
8

Please help, as you can see I already tried but failed.

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
4 0

I'm unsure but i think it is three more than 9 times a number is atleast 5 times the number

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What is the volume of this? PLEASE ANSWER,, answer choices are •213 •336 •288
enyata [817]

Answer:

288 cm³

Step-by-step explanation:

The volume (V) of the triangular prism is

V = area of triangular base × height

area of base = \frac{1}{2} × 6 × 8 = 24 cm², hence

V = 24 × 12 = 288 cm³

7 0
3 years ago
The graphs of the equations y=2x-7 and y-kx=7 are parallel when k equals
Slav-nsk [51]
y=2x-7 \ and \ y-kx=7 \\ \\ y=2x-7 \ and \ y=kx+7 \\ \\ two \ lines \ are \ parallel \ if \ their \ slopes \ are \ the \ same : \\ \\ k= 2


7 0
3 years ago
What is the solution to the system of equations?
Mrac [35]

Answer:

There is no solution.

Rewrite -2x + y = -6 so it starts with y =...

y = 2x - 6

Substitute that in 2/3x - 1/3y = -2 gives:

2/3x - 1/3*(2x -6) = -2

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0 + 2 = -2

This statement is not true, and that means there is no solution.

8 0
3 years ago
3-x=5x+21
vlada-n [284]

Answer:

<h3>\boxed{ \sf{ \bold{- 3}}}</h3>

Step-by-step explanation:

\sf{3 - x = 5x + 21}

Move 5x to left hand side and change it's sign

⇒\sf{  - x - 5x  + 3 = 21}

Move 3 to right hand side and change it's sign

⇒\sf{ - x - 5x = 21 - 3}

Collect like terms

⇒\sf{ - 6x = 21 - 3}

Subtract 3 from 21

⇒\sf{ - 6x = 18}

Divide both sides of the equation by -6

⇒\sf{ \frac{ - 6x}{ - 6}  =  \frac{18}{-6}}

Calculate

⇒\sf{x  = -3}

Hope I helped!

Best regards!!

3 0
3 years ago
Read 2 more answers
Hi can you Please answer this i will mark brainliest ive been asking for 2 days :( Its Overdue :(
solniwko [45]

Answer:

f(x)= 1.38x

y= 1.38x

Step-by-step explanation:

basically the cost= 1.38 per pound

you can use cost=1.38x if ur grade level isn't at f(x) yet

<3

5 0
3 years ago
Read 2 more answers
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