3 years ago

Answer to this equation 5x^2+2=7

Mathematics

2 answers:

Pie3 years ago

8 0

Answer:

x=1

Step-by-step explanation:

astra-53 [7]3 years ago

7 0

Answer:

x= 1 and x= -1

Step-by-step explanation:

$5x^{2} +2=7$

(subtract 2 from both sides)

$5x^{2} =5$

(divide by 5 from both sides)

$x^{2} =1$

(take the square root from both sides)

x=±√1

so,

x= 1

and

x= -1

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Anit [1.1K]

D is the answer.
6×6-10=26

4 0

3 years ago

The amount Cami raised during last year’s charity walk, $45.50, is StartFraction 7 over 10 EndFraction of the amount she raised

barxatty [35]

Answer:

The equation is given by:

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Step-by-step explanation:

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3 years ago

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Llana [10]

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5 0

3 years ago

Do you know what the answer is to this question

RUDIKE [14]

Use subsiution]
y=-3x+5
subsitute -3x+5 for y in second equation
5x-4(-3x+5)=-3
distribute
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add like terms
17x-20=-3
add 20 to both sides
17x=17
divide both sides by 17
x=1
now subsitute 1 for x
y=-3x+5
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3 years ago

Evaluate u +xy, for u = 12,x = 7, and y = 4

jeka57 [31]

Answer:

Step-by-step explanation:

Plug in 12 for u, 7 for x, and 4 for y in the given expression:

u + xy = 12 + (7)(4)

Remember to follow PEMDAS. First, multiply, and then add:

u + xy = 12 + (7 * 4) = 12 + (28) = 40

40 is your answer.

5 0

3 years ago