3 years ago

What is the answer to − 4/7 = 5/2t ( its a one step equation)

Mathematics

1 answer:

nata0808 [166]3 years ago

7 0

The answer to this equation would be -8/35

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PLZ HELP IVE BEEN STUCK ON THIS QUESTION

o-na [289]

Answer:

A= 16

B=?

Step-by-step explanation: srry about the second one im also confused but i tried my best.

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3 years ago

April ought some sports drinks and slices of pizza for her friends. She bought 3 more sports drinks than slices of pizza. If her

scoray [572]

s= p+3

(number of sports drinks= s)

(pizza slices= p)

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3 years ago

X² + y² = 34<br>x + y =8

Nataly [62]

Step-by-step explanation:

${x}^{2} + {y}^{2} = 34 \\ x + y = 8 \\ x = 8 - y \\ substitute \: x \: in \\ {x}^{2} + {y}^{2} = 34 \\ {(8 - 4)}^{2} + {y}^{2} = 34 \\ {(8 - 4) }^{2} = {y}^{2} - 16y + 64 \\ {y}^{2} - 16y + 64 + {y}^{2} = 34 \\ {2y}^{2} - 16y + 64 = 34 \\ {2y}^{2} - 16y + 64 - 34 = 0 \\ {2y}^{2} - 16y + 30 = 0 \\ 2 {y}^{2} - 6y - 10y + 30 = 0 \\ (2 {y}^{2} - 6y) - (10y + 30) = 0 \\ 2y(y - 3) - 10(y - 3) = 0 \\ (2y - 10)(y - 3) \\ 2y = 10 \\ y = \frac{10}{2} \\ y = 5 \\ or \\ y = 3 \\ if \: y = 5 \: \: x = 3 \\ if \: y = 3 \: \: x = 5$

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3 years ago

How many solutions are there to the quadratic equation

Ray Of Light [21]

Answer:

Step-by-step explanation:

(-7)^2 - 4*3 *(-2) = 49 + 24 >0

discriminant is positive so 2 real roots

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3 years ago

I need help fast please!!

galben [10]

Answer:

A. Symmetric Property

Step-by-step explanation:

The Symmetric Propertry states that if x = y, then y = x.

Since XY = WX, and WX = XY, its the Symmetric Property.

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1 year ago