3 years ago

Eqation for half of the difference of 25 and 7

Mathematics

2 answers:

romanna [79]3 years ago

5 0

Answer:

25-7 / 2

Step-by-step explanation:

Morgarella [4.7K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Factor this equation<br> 4x^2+12x-7

Levart [38]

$4x^2+12x-7=0\\\\a=4;\ b=12;\ c=-7\\\Delta=b^2-4ac\\\\\Delta=12^2-4\cdot4\cdot(-7)=144+112=256 \ \textgreater \ 0\\\\therefore\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{256}=16\\\\x_1=\dfrac{-12-16}{2\cdot4}=\dfrac{-28}{8}=\boxed{-\dfrac{7}{2}}\\\\x_2=\dfrac{-12+16}{2\cdot4}=\dfrac{4}{8}=\boxed{\dfrac{1}{2}}$

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3 years ago

the somber mask drama club is putting on a pancake breakfast as a fundraiser. The number of pancakes depends on the number of cu

Step2247 [10]

Answer:

Not more then a tenth of a nutshell

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2 years ago

What is the answer !

kondor19780726 [428]

Answer:

m∠OKG = 95°

Step-by-step explanation:

In the given question,

Angle OKL and angle OKG are the linear pairs.

And we know that sum of linear pair of angles is 180°.

Therefore, m∠OKL + m∠OKH = 180°

85° + m∠OKH = 180°

m∠OKH = 180° - 85°

= 95°

Therefore, measure of angle OKG = 95° will be the answer.

3 0

2 years ago

Find the value of x if y =1/4x and 5x-8y=33

Verdich [7]

Answer:

x=11

Step-by-step explanation:

y= 1/4x

5x-8y=33

5x-8(1/4x)=33

x=11

8 0

3 years ago

What is 4.571428571428571 as a fraction in simplest form?

xeze [42]

Answer:

457/100

Step-by-step explanation:

just move the decimal to the right twice and put a hundred underneath

5 0

2 years ago