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3 years ago

10

The axis of symmetry for a function in the from f(x) = x^2 + 4x - 5 is x = -2. What are the coordinates of the vertex of the gra

ph

1 answer:

oee [108]3 years ago

4 0

(-2, -9)

Simply plug -2 into the equation.

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If y varies inversely as x2 and y = 100 when

love history [14]

Ans: (c)

y = k/x^2

when y = 100, x = 1
100 = k/1^2
k = 100

when x = 2,
y = 100/2
= 50

(u/rachelmarrons already gave you the answer but here’s a step-by-step explanation in case you needed it haha)

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3 years ago

Six less than twice a number is equal to 90

luda_lava [24]

2x-6=90 would be the answer

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3 years ago

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What property -3(m + 8) = -3m - 24

Andrews [41]

Answer:

distributive property of multiplication

Step-by-step explanation:

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3 years ago

Mackenzie spent a total of $17.50 on Saturday afternoon.She bought a movie ticket for $7.25 and snacks for $4.95.She spent the r

Helga [31]

17.50-7.25-4.95=5.30/2=2.65

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3 years ago

Noah is thinking of two fractions that have the same sum of 3/5. Each fraction has a numerator of 1. What are the denimonitors o

Ray Of Light [21]

Answer:

The denominators of fractions are : 2 and 10

Step-by-step explanation:

$\text{Let the two fractions be : }\frac{1}{x}\thinspace and\thinspace \frac{1}{y}\\\\\implies \frac{1}{x}+\frac{1}{y}=\frac{3}{5}\\\\\implies 5\cdot x +5\cdot y-3\cdot x\cdot y=0$

By hit and trial method, if we put x = 2 and y = 10 then the resulting equation (1) is satisfied and all the conditions hold.

So, the denominators are 2 and 10

7 0

3 years ago