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3 years ago

5

Josiah's family took a road trip to Mount Rushmore. Josiah fell asleep after they had travelled 174 miles. If the total length o

f the trip was 600 miles, what percentage of the total trip had they travelled when Josiah fell asleep?

1 answer:

Serjik [45]3 years ago

8 0

Answer:

29

Step-by-step explanation:

your welcome

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Find the number of real number solutions for the equation.x2 − 2x + 9 = 0

Talja [164]

Hi there!

We can use the discriminant of the quadratic formula to find the number of real solutions to this (or any other quadratic) equation.

The discriminant can be found by plugging in the data from the equation into the following formula:
$d = {b}^{2} - 4ac \\ with \: y \: = a {x}^{2} + bx + c$

When we fill in the data from the question we get
$d = ( - 2) {}^{2} - 4 \times 1 \times 9 = 4 - 36 = - 32$

Since d < 0 the equation has zero real solutions.

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Answer:

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Step-by-step explanation:

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avanturin [10]

Answer:

$50,000

Step-by-step explanation:

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= Value of the house - mortgage amount

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Use the Distributive Property and simplify the expression. 4 + 2(3x – 1) + 9

spayn [35]

First expand the brackets by multiply everything in them by 2
2(3x-1)=
6x-2
then add the 4 and the 9 to -2 and you get
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4 years ago

Find a so that the point (1,2) is on the graph of f (x)=ax^2+5

12345 [234]

Answer: a = -5
Heyy, so with this question you would have to substiute 1 for x because normally the coordinates have x first then y. E.g. (x,y)

soo, f(1) = a(1)^2 +5
then, f(1) = a + 5
then equate to zero. E.g. a+5=0
then move over 5 to other side E.g. a=-5
soo.. yah.. pretty sure haha :)

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3 years ago