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3 years ago

HELP DUE IN 30 MIN x =

Mathematics

2 answers:

sergejj [24]3 years ago

7 0

Answer:

x=4

Step-by-step explanation:

21x+6=90(alternate angles)

21x=90-6

x=94/21

Therefore, x=4

Shtirlitz [24]3 years ago

6 0

Answer:

x=4

Step-by-step explanation:

21x+6=90

-6. -6

21x=84

/21. /21

x=4

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aksik [14]

Answer:

x=12

Step-by-step explanation:

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9x-6x=22+14

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3 years ago

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Nana76 [90]

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2 years ago

What number would ypu add to both sides of x^2+7x=4 to complete the square

Tcecarenko [31]

For a monic quadratic (factor of 1 on $x^2$ ) we always add half the coefficient on the linear ( $x$ ) term, so

$\left(\dfrac 7 2\right)^2 = \dfrac{49}{4}$

Answer: 49/4

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$(x + \frac 7 2)^2 = 4 + \frac{49}{4}$

6 0

3 years ago

Read 2 more answers

What is the square root of 75 to the nearest integer

kodGreya [7K]

<u><em>5√3 is the correct answer.</em></u> First you had to find the prime factorization of 75, and it gave us, $3*5^2=5*5=25*3=75$ , or $=\sqrt{5^2*3}$ . Then you can use apply radical rule, and it gave us, $\sqrt{3} \sqrt{5^2}$ , or $\sqrt{5^2}=5$ , and it gave us the answer is 5√3 is the correct answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie