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Zolol [24]
2 years ago
10

You draw a rectangular picture that is 8.5 inches wide. It is 3 times as long as it is wide. What

Mathematics
1 answer:
Bingel [31]2 years ago
7 0

Answer: 216.75 in^2

Step-by-step explanation: area = 8.5 x (8.5x3)

8.5 x25.5

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29. Find the area of a regular hexagon with apothem of 6 inches.
victus00 [196]

Answer:

124.7 in²

Step-by-step explanation:

A hexagon consists of six equilateral triangles, each of side a, and we can divide each of them into two right triangles.

So, we can calculate the area of one right triangle and multiply by 12.

The formula for the area of one triangle is

A = ½bh

Step 1. Calculate the length of the side a

Per the Pythagorean Theorem,

\begin{array}{rcl}h^{2} + \left(\dfrac{a}{2}\right)^{2} & = & a^{2} \\\\6^{2} + \dfrac{a^{2}}{4} & = & a^{2}\\\\36 & = &\dfrac{3a^{2}}{4}\\\\144 & = & 3a^{2}\\\\\end{array}\\\\

\begin{array}{rcl}a^{2} & = & \dfrac{144}{3}\\\\a & = & \dfrac{12}{\sqrt{3}}\\\\a & = & \dfrac{12\sqrt{3}}{3}\\\\a & = & 4\sqrt{3}\\\\\end{array}

2.Calculate the area of a small triangle

The base of a small triangle is  

b = ½a = ½ × 4√3 = 2√3

The area of one small triangle is

A = ½ bh = ½× 2√3 × 6 = 6√3 in²

3. Calculate the area of the hexagon

A = 12 × 6√3 = 72√3 = 124.7 in²

5 0
3 years ago
Write the word sentence as an inequality. Then solve the inequality. The quotient of a number x and 4 is at most 5.
Charra [1.4K]

Answer:

Given the statement: The quotient of a number x and 4 is atmost 5.

Let x be a number.

"quotient of a number x and 4" represented as \frac{x}{4}

"at most" means '\leq'

Therefore, the inequality for the given statement is;

\frac{x}{4}\leq 5

Solve the above inequality:

\frac{x}{4}\leq 5

multiply both sides by 4 we get;

4 \times \frac{x}{4} \leq 4 \times 5

Simplify:

x\leq 20

Therefore, the solutions for the given inequality is:  (-\infty , 20]

8 0
3 years ago
Read 2 more answers
Evaluate <br><br> 14y ÷ 5 - 4.9 for y = 6
Lubov Fominskaja [6]

Answer:

The final answer is 11.9

Step-by-step explanation:

14 x 6 = 84

84/5 = 16.8

16.8 - 4.9 = 11.9

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

8 0
3 years ago
Find the angle marked with the ? mark
Yuri [45]

Answer:

53 degrees

Step-by-step explanation:

Angle N = angle E

because angle made by joining end points of same chord on circumference are always equal.

so angle E = 37

Angle D = 90 ( because angle made by diameter on circumference is 90 degrees)

Now in Triangle DEC. Sum if all the angles of triangle us 180

Angle D + angle E + ? = 180

37 + 90 + ? = 180

127 + ? = 180

? = 180 - 127

? = 53 degrees

4 0
3 years ago
Mike's grandmother opened a savings account in Mike's name and deposited some money into the account. The account pays an annual
ale4655 [162]
For this problem, we can assume the total money is X, than we can get the equation of:   0.08*X*12=7680, than we can know X=8000, therefore, Mike's grandmother deposit 8000 in the account.
4 0
3 years ago
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