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timofeeve [1]
4 years ago
7

If an answer for this question is not an integer, enter it as a decimal rounded to the hundredths place.

Mathematics
1 answer:
kiruha [24]4 years ago
4 0

Answer:

2.56

Step-by-step explanation:

Monday: 2 * 2.21 = 4.42

Tuesday: 4.42 + 0.39 = 4.81

Wednesday: 4.81 - 1.76 = 3.05

Thursday: 3.05 - 1/5 * 3.05 = 3.05 - 0.61 = 2.44

Friday: 2.44 + 0.12 = 2.56

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3 years ago
Which equation represents the area of the triangle? A) A = 1 2 (AC)(AB)(sin A) B) A = 1 2 (AC)(BC)(sin A) C) A = 1 2 (BC)(BD)(si
Juliette [100K]

Answer:

The correct option is A.

Step-by-step explanation:

Let the vertices of the triangle be ABC.

Draw a perpendicular on AC from B. The height of triangle is represented by the altitude from B.

\sin A=\frac{BD}{AB}

AB\sin A=BD

Area of the triangle is

A=\frac{1}{2}\times base\times height

A=\frac{1}{2}\times (AC)\times (BD)

A=\frac{1}{2}\times (AC)\times (AB)\sin A

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Therefore option A is correct.

5 0
4 years ago
Through (4, -3); perpendicular to 3y = x-6
boyakko [2]

Answer:

its=> 3×4=-3-6(use a caculator now)

8 0
3 years ago
Ten boys and twelve girls decide to rent a 16-passenger van and a 6-passenger to drive to a rock concert in a near by city. If t
stira [4]
A) The probability that there are no boys in the car is given by:
P(no\ boys\ in\ car)=\frac{12C6}{22C6}=0.012
5 0
3 years ago
A regulat pentagon has side lenghts of 5.8cm and apothem of 4cm. calculate its perimeter and area​
Kryger [21]

PENTA = 5.

a regular polygon has all equal sides, so if one side is 5.8, all are, so the perimeter for this pentagon with 5 sides is 5.8 + 5.8 + 5.8 + 5.8 + 5.8 = 29.

\bf \textit{area of a regular polygon}\\\\ A=\cfrac{1}{2}ap~~ \begin{cases} p=perimeter\\ a=apothem\\ \cline{1-1} p=29\\ a=4 \end{cases}\implies A=\cfrac{1}{2}(4)(29)\implies A=58

6 0
3 years ago
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