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3 years ago

Just take my points im quitting brainly cause mostly every time I ask a question people only answer for points so just take them

Mathematics

2 answers:

devlian [24]3 years ago

7 0

Answer:

Man im sorry about that

do you have any question i can help

Step-by-step explanation:

Thanks for the points

krek1111 [17]3 years ago

7 0

Answer:

well that is unfair!!!!

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Equation using the quadratic fromula for 0.05x^2 + 1.1x = 250

Anuta_ua [19.1K]

Answer:

x=60.56, x=-82.56

Step-by-step explanation:

Solve using quadratic formula

Formula is

$x=\frac{-b+-\sqrt{b^2-4ac}}{2a}$

0.05x^2 + 1.1x = 250

Subtract 250 on both sides

0.05x^2 + 1.1x - 250=0

a= 0.05, b=1.1 , c=-250

Plug in the values in the formula

$x=\frac{-1.1+-\sqrt{(1.1)^2-4(0.05)(-250)}}{2(0.05)}$

$x=\frac{-1.1+-7.156116265}{0.1}$

Now make two equations , one with + and one with -

then we solve for x

$x=\frac{-1.1+7.156116265}{0.1}$

x=60.56

$x=\frac{-1.1-7.156116265}{0.1}$

x=-82.56

3 0

3 years ago

Hi! Pleaseee help!!!

dusya [7]

Answer: what is the problem

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

1 point

photoshop1234 [79]

Answer:

Step-by-step explanation:

done it

5 0

3 years ago

A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 27ft in 9 second

mixer [17]

3ft per second on a still sidewalk (27/9) , 11ft on the moving sidewalk.(99/9)

Hope this helps!

5 0

3 years ago

Five over seven plus blank over six equals fifty one over forty two

NISA [10]

Answer:

The blank is 3

Step-by-step explanation:

1 - Give the blank a variable

x = our blank

2 - Write it out

$\frac{5}{7} + \frac{x}{6} = \frac{51}{42}$

3 - Get the denominators equal

$\frac{5}{7}(\frac{6}{6}) +\frac{x}{6}(\frac{7}{7}) = \frac{51}{42} \\\frac{30}{42}+\frac{7x}{42} = \frac{51}{42}$

4 - Simplify

$\frac{30+7x}{42} = \frac{51}{42} \\ \frac{30+7x}{42} = \frac{51}{42}$

5 - Solve for the numerators

30+7x = 51

-30 -30

7x = 21

x = 3

6 0

3 years ago