On the <span>8x > –32 first divide by the 8 from the both sides.
8x/8 as a fractions and it is greater than negative 32/8 as a fraction. And the equals to x is greater than negative 4.
On the </span>6x ≤ –48. Then divide by 6 from the both sides.
6x/6 as a fractions and it is less than negative 48/6 as a fraction. And the equals to x≤ negative 8.
Answer:
A
Step-by-step explanation:
instead of P+2x = y it should be P-2x=y
so then it is P-2x/2 =y
Answer:
First, find tan A and tan B.
cosA=35 --> sin2A=1−925=1625 --> cosA=±45
cosA=45 because A is in Quadrant I
tanA=sinAcosA=(45)(53)=43.
sinB=513 --> cos2B=1−25169=144169 --> sinB=±1213.
sinB=1213 because B is in Quadrant I
tanB=sinBcosB=(513)(1312)=512
Apply the trig identity:
tan(A−B)=tanA−tanB1−tanA.tanB
tanA−tanB=43−512=1112
(1−tanA.tanB)=1−2036=1636=49
tan(A−B)=(1112)(94)=3316
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