2 years ago

Find the solutions to 2x^2-5x-3=0

Mathematics

1 answer:

solmaris [256]2 years ago

5 0

Answer:

x=(-1/2,3)

Step-by-step explanation:

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Can somebody please help me i need this urgently.

sukhopar [10]

Answer:

multiple choice is worth 2

short response is worth 4

Step-by-step explanation:

23x + 10y = 86

28x + 5y = 76

solve by elimination

multiply the top by -1 and the bottom by 2

-23x + -10y = -86

56x + 10y = 152

add them

33x = 66

x = 2

with x = 2 plug x into one of the equations

23x + 10y = 86

23(2) + 10y = 86

46 + 10y = 86

10y = 40

y = 4

x = 2 and y = 4 so

multiple choice is worth 2

short response is worth 4

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2 years ago

Coty painted a right triangle on paper. The hypotenuse of his triangle is 18 inches and one of the legs is 7 inches. What is the

padilas [110]

Answer:

G) 16.6

Step-by-step explanation:

We can use the pythagoriam theroem to solve the problem

$a^{2} + b^{2} = c^{2}$

$a^{2} + 7^{2} = 18^{2}$

$a^{2}$ + 49 = 324

$a^{2}$ = 275

a = 16.6

3 0

2 years ago

HELP PLSSSSS!!!!! I WILL Give Brainlyist

Basile [38]

Answer:

$\frac{5}{6}$

Step-by-step explanation:

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3 years ago

Read 2 more answers

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Tanya [424]

Answer:

Step-by-step explanation:

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2 years ago

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jeka94

Answer:

n-5

Step-by-step explanation:

If n is the number, then the equation is n-5 because the number decreases by 5 each time.

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3 years ago