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dedylja [7]
3 years ago
14

I don’t understand can someone please help.

Mathematics
1 answer:
Stels [109]3 years ago
4 0

Answer:

3.6

Step-by-step explanation:

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Writing an Equa
kakasveta [241]

Answer:

Step-by-step explanation:

(3,1) lies below the vertex, so the parabola opens downwards.

Equation for a down-opening parabola with vertex (2,3):

y = a(x-2)² + 3, a<0

Plug in (3,1) and solve for a:

1 = a1² + 3

a  = -2

y = -2(x-2)² + 3

6 0
3 years ago
14(0.89)^x+4.5 =162
lisabon 2012 [21]
14(0.89)^{x + 4.5} = 162
\frac{14(0.89)^{x + 4.5}}{14} = \frac{162}{14}
0.89^{x + 4.5} = 11\frac{4}{7}
ln(0.89^{x + 4.5}) = ln(11\frac{4}{7})
(x + 4.5)ln(0.89) = ln(11\frac{4}{7})
\frac{(x + 4.5)ln(0.89)}{ln(0.89)} = \frac{ln(11\frac{4}{7})}{ln(0.89)}
x + 4.5 = -2101.14032500
x = 2105.64032500
3 0
4 years ago
a shoreline is changing -3 centimeters each year due to erosion. what is the change in shoreline over 6 years?
NikAS [45]

Answer:

-18

Step-by-step explanation:

3 0
4 years ago
what is the equation to seven less than the product of twice a number is greater than 5 more than the same number
postnew [5]
<span>seven less than (-7) than the product of twice a number (2x) is greater than (>) five more than (+5) the same number (x)

2x-7>x+5
treat the > sign as an equals for now
2x-7=x+5
subtract x from both sides
x-7=5
add 7 to both sides
x=12
put the > sign back in
x>12</span>
7 0
4 years ago
Read 2 more answers
5. Write an equivalent expression for (2x + 4)(x-5)
vfiekz [6]

2x^{2} -10x +4x -20

I'm not sure if you need to simplify

8 0
3 years ago
Read 2 more answers
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