3 years ago

Annexation: The Lone Star State:Question 9

Mathematics

1 answer:

notsponge [240]3 years ago

3 0

Here's link to the answer:

tinyurl.com/wpazsebu

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Find the gain percent in the following:<br>Cost Price Rs 280,<br>(a) Selling Price<br>Rs 290

Nikolay [14]

Answer:

3.57

Step-by-step explanation:

P=SP -CP

=290-280=10

P%= $\frac{P*100}{CP}$

= $\frac{10*100}{280}$

= $\frac{1000}{280}$

=3.57

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3 years ago

Someone please help out! Really need to pass :(

ValentinkaMS [17]

Answer:

ok ill help

Step-by-step explanation:

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3 years ago

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A carpect salesperson claims that a carpet on sid for $12.95 per square yard is 30% off its original price. What was its origina

Amiraneli [1.4K]

12.95 30
-------- = ----
x 100

1295 = 30x
------- -----
30 30

x = 43.16666667

not sure how u want to round

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3 years ago

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12c + 12 (3/4c) + 12 (1/2c) shows the total cost for buying 3 phones that each cost c dollars per month for 12 months.

alisha [4.7K]

Answer:

c(12 + 9 + 6)

12(2.25c)

Step-by-step explanation:

12c + 12 (3/4c) + 12 (1/2c)

12(1c) + 12(3/4c) + 12 (1/2c)

12(c + 3/4c + 1/2c)

12(2 1/4c)

12(2.25c)

12c + 12 (3/4c) + 12 (1/2c)

12c + 9c + 6c

c(12 + 9 + 6)

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2 years ago

What are the solutions of 3x^2-x+4=0

guajiro [1.7K]

3x² -x+4=0

We can use quadratic formula
a=3, b= -1, c=4
$x= \frac{-b+/- \sqrt{b^{2}-4ac} }{2a} 
\\ \\ x= \frac{1+/- \sqrt{1-4*3*4} }{2*3} 
\\ \\ x = \frac{1+/- \sqrt{-47} }{6} 

This equation does not have real roots, it has only 2 imaginary roots.$

$x= \frac{1+ \sqrt{47}i }{6} 
\\ \\ x= \frac{1- \sqrt{47}i }{6}$

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3 years ago