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2 years ago

FREE 50 POINTS GIVEAWAY!!! WRITE WHATEVER YOU WANT IN THE ANSWER AND EARN MORE POINTS!

Mathematics

2 answers:

Doss [256]2 years ago

7 0

Answer:Answer: I did a giveaway just like this only for 100 points and brainliest I got warned ):

Step-by-step explanation:

ValentinkaMS [17]2 years ago

6 0

Answer:

THANK YOU SOOO MUCH!!!!!!

Step-by-step explanation:

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Brian correctly use a method of completing the square to solve the equation X a 2nd plus 7X -11 equals zero Brian‘s first step w

ArbitrLikvidat [17]

Answer:

$(\frac{7}{2})^{2}$

Step-by-step explanation:

Brain correctly use a method of completing the square to solve the equation:

$x^2+7x-11=0$

His First Step is to: Take the Constant Term to the Right Hand Side

$x^2+7x=11$

The Next Step Would be to:

Divide the Coefficient of x by 2
Square It
Add it to both Sides

In this case, the Coefficient of x = 7

Divided by 2 = $\frac{7}{2}$

Squaring It, we have: $(\frac{7}{2})^{2}$

It is this number $(\frac{7}{2})^{2}$ that is added to both sides in the manner below:

$x^2+7x+(\frac{7}{2})^{2}=11+(\frac{7}{2})^{2}$

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3 years ago

Martin drew a triangle. Its sides are 3 cm, 4 cm, and 5 cm. What type of triangle is Martin drawing?

kolbaska11 [484]

Answer:

A scalene triangle .......

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2 years ago

Ridge wood bank is offering 5% simple interest on all of their saving accounts if an account it opened with a staring balance of

marta [7]

Answer:

$230

Step-by-step explanation:

plz mark brainliest

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2 years ago

A series of tile patterns is shown below. Consider the function that represents the number of white tiles in each figure. Figure

mr_godi [17]

No one can answer this there is no picture for me or anyone else to look at

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3 years ago

PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Bond [772]

Answer:

$R = \frac {3ST}{2S + T}$

Step-by-step explanation:

Given the equation;

$\frac {3}{R} - \frac {1}{S} = \frac {2}{T}$

Rearranging the equation, we have;

$\frac {3}{R} = \frac {2}{T} + \frac {1}{S}$

Lowest common multiple (LCM) of S and T is ST.

$\frac {3}{R} = \frac {2S + T}{ST}$

Cross-multiplying, we have;

$3ST = R(2S + T)$

Making R, the subject of formula;

$R = \frac {3ST}{2S + T}$

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3 years ago