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Norma-Jean [14]
3 years ago
14

Identify the number of solutions or zeros 2x^2+5x-9=0

Mathematics
1 answer:
Anon25 [30]3 years ago
6 0
There are going to be two solutions because the "biggest" x is x^2 but you can factor to find what they actually are.

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Brandon buys a radio for $43.75 in a state where the sales tax is 7%.
Nastasia [14]

Answer:

Tax: $3.06

Step-by-step explanation:

7% of 43.75 = 0.07 × 43.75 = 3.0625

43.75 increase 7% =

43.75 × (1 + 7%) = 43.75 × (1 + 0.07) = 46.8125

Radio: $43.75

Tax: $3.06

Total: $46.81

4 0
3 years ago
Solve for y<br> 5y - 9 = -3y + 7
Ostrovityanka [42]
The answer is 2 !!!!!!!!!!!
4 0
2 years ago
What is the slope of a line that passes through (-1, 8) and (-1, -7)?
ch4aika [34]
Y2-y1/x2-x1. so -7-8/-1-(-1)= -15/1
8 0
3 years ago
What us the midpoint of A(-8,2) and B(4,-2)​
marusya05 [52]

Answer:

(-2 , 2)

Step-by-step explanation:

A(-8 , 2) = (x1 , y1)

B(4 , -2) = (x2 , y2)

midpoint = (x1 + x2/2  ,   y1 + y2/2)

=(-8 + 4/2  ,  2-(-2)/2)

=(-4/2  ,  2+2/2)

(-2  ,  2)

(3 , 7) = (x1 , y1)

(9 , 2) = (x2 , y2)

distance of PQ = \sqrt{(x2 - x1)^2 + (y2 - y1)^2}

=\sqrt{(9 - 3)^2 + (2 - 7)^2}

=\sqrt{(6)^2 + (-5)^2}

=\sqrt{36 + 25}

=\sqrt{61}

=7.8 unit

4 0
3 years ago
What is the quotient when -45 is divided by -97
dedylja [7]

Answer:

0.463

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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