2x+5y=-6 , wht is the x intercept, what is the y intercept
1 answer:
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Note necessary facts about isosceles triangle ABC:
- The median CD drawn to the base AB is also an altitude to tha base in isosceles triangle (CD⊥AB). This gives you that triangles ACD and BCD are congruent right triangles with hypotenuses AC and BC, respectively.
- The legs AB and BC of isosceles triangle ABC are congruent, AC=BC.
- Angles at the base AB are congruent, m∠A=m∠B=30°.
1. Consider right triangle ACD. The adjacent angle to the leg AD is 30°, so the hypotenuse AC is twice the opposite leg CD to the angle A.
AC=2CD.
2. Consider right triangle BCD. The adjacent angle to the leg BD is 30°, so the hypotenuse BC is twice the opposite leg CD to the angle B.
BC=2CD.
3. Find the perimeters of triangles ACD, BCD and ABC:
4. If sum of the perimeters of △ACD and △BCD is 20 cm more than the perimeter of △ABC, then
5. Since AC=BC=2CD, then the legs AC and BC of isosceles triangles have length 20 cm.
Answer: 20 cm.
Answer:
Step-by-step explanation:
Given: On Monday, the closing value of a share of stock in Company ABC, was . On Tuesday, it closed at
, and on Wednesday, it closed at
. On Thursday, the change in stock value was
. And, on Friday, Company ABC's stock gained
points.
To Find: One shareholder owns shares of Company ABC's stock. What was the total value of their stock in this company at the close of Tuesday.
Solution:
Closing value of Shares of company ABC on Monday
Closing value of Shares of company ABC on Tuesday
Closing value of Shares of company ABC on Wednesday
on Thursday change in stock value was
Closing value of Shares of company ABC on Thursday
on Friday comapny's stock gained points
Closing value of Shares of company ABC on Friday
As one shareholder owns shares of company
Total value of shares on Tuesday is
Hence total value of shareholder's share on close of Tuesday is