Answer:
x+
y+5=0
Step-by-step explanation:
the intersection of x-2y=0 and 3x+y+5 is (;
)
=> the line : x+
y+5=0
PLS HELP! TWO MATH QUESTIONS
2 answers:
There is a formula that relates the arc length of a circle of radius, r, to the central angle ,θ in radians. S = r(θ) where S is arc length, r is radius, and θ is the central angle.
So substituting into the formula for the first question we have: 5.4=6(θ) and solving for θ we get 0.9
Now for the second question substituting into the formula we have:
S = 6(
)
Solving this for S we find the arc length to be 9π
So substituting into the formula for the first question we have: 5.4=6(θ) and solving for θ we get 0.9
Now for the second question substituting into the formula we have:
S = 6(
Solving this for S we find the arc length to be 9π
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Answer: 8√3
<u>Step-by-step explanation:</u>
ΔXVW is a 30°-60°-90° triangle. This special triangle has corresponding sides of lengths: b - b√3 - 2b. So,
VW = b
XW = b√3
XV = 2b
Since, YV = 24, then XW = 24 and we stated above that XW = b√3. So,
24 = b√3
= b
= b
= b
8√3 = b
We are looking for side YX which is congruent (equal) to VW and we stated above that VW = b, So, VW = 8√3
Answer:
Step-by-step explanation:
Apply pythagorean theorem:
ABD is a right triangle with angle ADB = 90
hence AD = where BD = 10 because it is half of BC
AD = =