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Mila [183]
3 years ago
14

Determine the slope of the line represented by the equation y + 7 = -9/4(x – 4) . Represent the slope in decimal form.

Mathematics
1 answer:
Andreyy893 years ago
5 0

Answer:

m=-9/4

Step-by-step explanation:

Use the slope-intercept form  y = mx+b to find the slope m

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[URGENT]
Blizzard [7]

When you write URGENT the Brainly cops think you may be taking a test.

y = ax² + c thru (-1,4) and (0,8)

Substituting in the coordinates of each point for x and y gives two equations:

4 = a  (-1)² + c

8 = a (0²) + c = c

From the second one we see c=8.  Substituting into the first one,

4= a + 8

a = 4-8 = -4

Answer: a=-4, c=8

Check:

f(x) = -4x² + 8

f(0) = 8, good

f(-1) = -4(1) + 8 = 4, good

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3 years ago
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6 0
3 years ago
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Solve for r please 80=10r.
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R = 8 since 8 times 10 = 80
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Answer:

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Step-by-step explanation:

Las cosas que se pueden contar (i.e. Contar y clasificar frutas) así como cosas que se pueden dividir se pueden medir en fracciones (i.e. Cortar un pastel), mientras que las cosas que no se pueden contar, de naturaleza no discreta, así como cosas que no se pueden dividir (i.e. Líquidos, material granulado) se pueden medir en decimales.

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3 years ago
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