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Mila [183]
3 years ago
12

the length of a rectangle is 3 1/4 inches. The width is 4/5 of the length. What is the perimeter of the rectangle

Mathematics
2 answers:
aksik [14]3 years ago
6 0

Answer:

Step-by-step explanation:

Zinaida [17]3 years ago
6 0

Step-by-step explanation:

We can find the perimeter of a rectangle by adding together the length and width and then multiplying that sum by 2.

The width is 4/5 * 3 1/4 = 4/5 * 13/4 = 13/5 = 2 3/5.

3 1/4 + 2 3/5 = 3 5/20 + 2 12/20 = 5 17/20

5 17/20 * 2 = 117/20 * 2 = 117/10 = 11 7/10 in.  

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Will give brainliest to correct answer! Given that cos Ф=-8/17 and sin Ф is negative, determine the value of tan Ф.
Kipish [7]

Answer: option 3 is the correct answer

Step-by-step explanation:

Let us look at the various trigonometric ratios

Sin Ф = opposite side/ hypotenuse

Cos Ф = adjacent side / hypotenuse

Tan Ф = opposite side / adjacent side

Therefore, tan Ф = sin Ф / cos Ф

This means that if cos Ф=-8/17 and sin Ф is negative, then the hypotenuse is negative

To determine the adjacent side, we will apply Pythagoras theorem

Hypotenuse ^2 = opposite ^2 + adjacent ^2

-17^2 = 8^2 + adjacent^2

adjacent^2 = 289 - 64 = 225

adjacent = √225 = 15

tan Ф = 8/15

5 0
3 years ago
Austin keeps a right conical basin for the birds in his garden as represented in the diagram. The basin is 40 centimeters deep,
Lina20 [59]

The shortest distance between the tip of the cone and its rim exits 51.11cm.

<h3>What is the shortest distance between the tip of the cone and its rim?​</h3>

If you draw a line along the middle of the cone, you'd finish up with two right triangles and the line even bisects the angle between the sloping sides. The shortest distance between the tip of the cone and its rim exists in the hypotenuse of a right triangle with one angle calculating 38.5°. So, utilizing trigonometry and allowing x as the measurement of the shortest distance between the tip of the cone and its rim.

Cos 38.5 = 40 / x

Solving the value of x, we get

Multiply both sides by x

$\cos \left(38.5^{\circ}\right) x=\frac{40}{x} x

$\cos \left(38.5^{\circ}\right) x=40

Divide both sides by $\cos \left(38.5^{\circ}\right)$

$\frac{\cos \left(38.5^{\circ}\right) x}{\cos \left(38.5^{\circ}\right)}=\frac{40}{\cos \left(38.5^{\circ}\right)}

simplifying the above equation, we get

$x=\frac{40}{\cos \left(38.5^{\circ}\right)}

x = 51.11cm

The shortest distance between the tip of the cone and its rim exits 51.11cm.

To learn more about right triangles refer to:

brainly.com/question/12111621

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The absolute value inequality is given as |(p - 0.43)I ≤ 0.019

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<h3>How to describe the proportion using the absolute value inequality</h3>

The proportion p = 43% = 0.43

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The value of the proportion can then be said to lie between

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In order to convert to the absolute inequality we would be having

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