How to determine if a number is prime or composite

Mathematics

1 answer:

Nookie1986 [14]3 years ago

6 0

Bhjhdgf srhtnrj hjlgon54543tjkl

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what are the new coordinates for (1,4) when rotated 180 degrees and 90 degrees counterclockwise, and 90 degrees clockwise?

Lady bird [3.3K]

90 degrees counterclockwise and 90 degrees cancel each other out. The coordinates of the point are only reflected over the x-axis. The point becomes (1, -4).

Hope I helped :)

7 0

3 years ago

emilio writes the inequality 17(f+2) + 45.99<200 to better represent the situation, using the variable f to represent the num

dlinn [17]

Expand the left hand side:

$17f+34+45.99$

Simplify the left hand side:

$17f+79.99$

Subtract 79.99 from both side:

$17f$

Divide both sides by 17:

$f$

So, he must invite less than 7 friend to the party.

5 0

3 years ago

Write the absolute value inequality in the form

yawa3891 [41]

Answer:

$\large\boxed{|x+7|\geq2}$

Step-by-step explanation:

Look at the picture.

$|x-a|\geq b\\\\a=\dfrac{-9+(-5)}{2}=\dfrac{-14}{2}=-7\\\\b=-9-(-7)=-9+7=-2\\b=-5-(-7)=-5+7=2\\\\|x-(-7)|\geq2\\\\|x+7|\geq2\\\\Check:\\\\|x+7|\geq2\iff x+7\geq2\ \vee\ x+7\leq-2\qquad\text{subtract 7 from both sides}\\\\x+7-7\geq2-7\ \vee\ x+7-7\leq-2-7\\\\x\geq-5\ \vee\ x\leq-9\qquad CORRECT\ :)$