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olga_2 [115]
3 years ago
14

Find the roots x^2-13x+30=0 (numbers only)

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

Find the roots of x^2-13x+30=0 by solving for x

x= 10,3

Step-by-step explanation:

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A 'snail's pace is 60 inches per minute. At this rate how long will it take the snail to crawl 120 feet?
True [87]
Ok, so here, we have the unit rate of the snail. Now, we need to set up a proportion.

60/1 = 120/x

Now, cross multiply.

60*x = 120*1

60x= 120

Now divide to solve for x.

60x/60 = 120/60
x = 120/60 
x= 2

Now our final answer is 2.

Final answer:- The snail will take 2 minutes to crawl 120 feet

5 0
3 years ago
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8. If BD=BC, BD = 5x -26, BC = 2r + 1, and AC = 43, find AB.
charle [14.2K]

Answer:

24

Step-by-step explanation:

BD=DC

5x-26=2x+1

5x-2x=1+26

3x=27

x=9

BC=2x+1

=2*9+1

BC =19

so AB=AC-BC

AB=43-19

AB=24

8 0
3 years ago
I really need help right now
avanturin [10]

Answer:

true

Step-by-step explanation:

bc my brain is right ( BTW i got my dad to check :>)

3 0
2 years ago
1/2(4-+6x)=1/3x+2/3(x+9)
KonstantinChe [14]

Answer:

The value of x for the expression is 2

Step-by-step explanation:

Given algebraic expression as :

\frac{1}{2}(4 + 6 x ) = \frac{1}{3} x + \frac{2}{3} ( x + 9 )

Now, solving the given expression

Or, \frac{1}{2} × 4 + \frac{1}{2} × 6 x = \frac{1}{3} x + \frac{2}{3} x + \frac{2}{3} × 9

Or,  \frac{4}{2}  + \frac{6}{2} × x = \frac{1}{3} x + \frac{2}{3} x + \frac{18}{3}

or, 2 + 3 × x = \frac{x}{3} + \frac{2 x}{3}  + 6

or, 2 + 3 × x =  \frac{2 x + x}{3}  + 6

or, 2 + 3 × x = \frac{3 x}{3}  + 6

Or, 2 + 3 × x = x + 6

or, 3 x - x =  6 - 2

Or, 2 x = 4

∴  x = \frac{4}{2}

I.e x = 2

Hence The value of x for the expression is 2 Answer

8 0
3 years ago
Do,1 of x is Please help fast
KonstantinChe [14]

Answer:

option 1 is the answer of your question

5 0
3 years ago
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