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nignag [31]
3 years ago
14

Yall help im drowning in work. 19 = 4a − 12

Mathematics
2 answers:
vova2212 [387]3 years ago
4 0

Answer:

7.75

Step-by-step explanation:

19 = 4a - 12

add 12 to both sides

31 = 4a

divide by 4 to isolate the variable

7.75 = a

miss Akunina [59]3 years ago
3 0

Answer:

a=7.75

Step-by-step explanation:

19 = 4a − 12. 19+12=31. 31/4=7.75

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Write an equation for the sentence below. Then solve the equation.
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Dafna1 [17]

Answer:

(-1,-1)(2,0)(4,-20)

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3 years ago
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3 years ago
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Calculate the distance between the points F=(-2,1) and A=(4,-2) in the coordinate plane. Round your answer to the nearest hundre
Anton [14]

Answer:

The distance between F and A is approximately 6.71 units.

Step-by-step explanation:

To find the distance between any two points, we can consider using the distance formula. Recall that:

\displaystyle d  = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Let F(-2, 1) be (<em>x</em>₁, <em>y</em>₁) and A(4, -2) be (<em>x</em>₂, <em>y</em>₂).

Substitute and evaluate:

\displaystyle \begin{aligned} FA &= \sqrt{((4) - (-2))^2 + ((-2) - (1)^2} \\ \\&=\sqrt{(6)^2 + (-3)^2} \\ \\&=\sqrt{36 + 9} \\ \\ &= \sqrt{45} \\ \\ &= 3\sqrt{5}\\ \\&\approx 6.71\text{ units}  \end{aligned}

In conclusion, the distance between <em>F</em> and <em>A</em> is approximately 6.71 units.

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