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Goshia [24]
3 years ago
15

What is the positive root of the equation x 2 + 5x = 150?

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0
X2+5x-150=       <span><span> x = 10 </span><span> x = -15
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In a certain clothing store 3 shirts and 5 ties cost 60 dollars and 2 shirts and 3 ties cost 39 dollars what is the cost for eac
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Solve by elimination:
S = shirt
T= tie

3s+5t=60
2s+3t=39

=
Shirt = 15
Tie = 3
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I really need help A school band ordered hats for $2 and large T-shirts for $5. They bought 100 items in all for $380. Use a gra
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3 years ago
A 120 lb. person would weigh about 20 lb. on the earth's moon. A 150 lb. person would weigh 28 lb. on Io, a moon of Jupiter. Whi
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5 0
3 years ago
A student solving for the acceleration of an object has applied appropriate physics principles and obtained the expression a=a1+
egoroff_w [7]

Answer:

a=\frac{3\times 7}{7}+\frac{12}{7}  (First step for obtaining a common denominator for the two fraction)

a=\frac{33}{7}\text{ m/s}^2

Step-by-step explanation:

\text{Given Expression: }a=a_1+\frac{F}{m}

where,

a is acceleration of an object.(Need to calculate)

a_1=3.00\text{ m/s}^2

F=12.0\text{ Kg.m/s}^2

m=7.00\text{ kg}

\text{Substitute }a_1, \text{ F, and m into expression and we get}

a=3+\frac{12}{7}

Now we will simplify above expression for a

First we make common denominator.

Common denominator is 7. So, we make both denominator 7. We multiply by 7 at top and bottom with 3. We get

a=\frac{3\times 7}{7}+\frac{12}{7}  (First step for obtaining a common denominator for the two fraction)

Now we combine the numerator

a=\frac{21+12}{7}

a=\frac{33}{7}\text{ m/s}^2



3 0
3 years ago
Read 2 more answers
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