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3 years ago

Factor the following problems SHOW YOUR WORK 1. x^2+16x+24 2. x^2-10a+25

1 answer:

7 0

There is no work to show. It is really just trial and error till you get the hang of it. You look at the multiples of the last term and find.which add or subtract to the middle terms coefficient. Use DeCartes law of signs to determine if it is plus or minus.
1. Does not factor solve using other method
2. (X-5)^2

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PLEASE can someone explain why The exact value of sec ( π/6) is 2 /√ 3 ??

Umnica [9.8K]

$\bf sec\left( \frac{\pi }{6} \right)\qquad recall\to sec(\theta)=\cfrac{1}{cos(\theta)}\qquad thus
\\\\
sec\left( \frac{\pi }{6}\right)\iff \cfrac{1}{cos\left( \frac{\pi }{6}\right)}
\\\\\\
\textit{check your Unit Circle for what the }cos\left( \frac{\pi }{6}\right)\ is
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\cfrac{1}{\frac{\sqrt{3}}{2}}\implies \cfrac{\frac{1}{1}}{\frac{\sqrt{3}}{2}}\implies 
\cfrac{1}{1}\cdot \cfrac{2}{\sqrt{3}}\implies \cfrac{2}{\sqrt{3}}$

3 0

3 years ago

A recipe calls for 2 1/3cups of cheddar cheese and 2/4cup of parmesan cheese. How much cheese does the recipe call for altogethe

AveGali [126]

Answer:

Exact Form: 17/6

Decimal Form: 2.83

Mixed Number Form: 2 5/6

Step-by-step explanation:

3 0

3 years ago

7th grade math problem

natulia [17]

Answer:

x=9

JKL = 108 degrees

KLJ = 27 degrees

LJK = 45 degrees

Step-by-step explanation:

Add all the values of the triangle angles together to get 20. Then divide 180 by 20 to get 9 (The sum of all the angles in the triangle always equals 180 degrees).

JKL = 12x = 12(9) = 108

KLJ = 3x = 3(9) = 27

LJK = 5x = 5(9) = 45

3 0

3 years ago

PLEASE HELP PLEASE SOLVE ALL!!!

VARVARA [1.3K]

Answer:

x= -6 | I only have an answer for #7 but you should use a website called Symbolab :)

Step-by-step explanation:

x+16+x+12+2x+15=19

group like terms:

4x+43=19

subtract 43 from both sides:

4x+43=19

-43 -43

simplify:

4x=-24

divided both sides by 4:

x=-6

4 0

3 years ago

Plot the image of point C under a dilation about the origin (0,0) with a scale factor of 1/5

Natalka [10]

Answer:

Answer:

Step-by-step explanation:

Step-by-step explanation

3 0

4 years ago