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2 years ago

The figure below is a scale drawing of a

Mathematics

1 answer:

Anuta_ua [19.1K]2 years ago

4 0

Answer:

126ft^2

Step-by-step explanation:

1/2 * 7/4 = 7/8 in^2

1/2 here = 6 ft

1 in = 12ft

3/4 = 9 ft

6*21 = area

126ft^2

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I NEED HELP PLEASE!!!!

Leviafan [203]

Answer:

Unit rate = 78 / 3/4

= 78 * 4/3

= 26*4 (because 78 / 3 = 26)

= 104 calories per cup

There are 2 * 104 = 208 calories in 2 cuos of cereal.

Step-by-step explanation:

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3 years ago

Let θ (in radians) be an acute angle in a right triangle, and let x and y, respectively, be the lengths of the sides adjacent an

Fed [463]

Explanation is given step by step just below:
tan(theta(t))=y(t)/x(t)

differentiate
sec^2(theta(t))*theta'(t)=y'(t)x(t)-y(t)x'(t)/x^2(t)
thus
theta'(t)=(y'(t)x(t)-y(t)x'(t))
divided by (x^2(t)*sec^2(θ(t))

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2 years ago

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What is the sum of the interior angles of the polygon shown below?

Yanka [14]

Answer:

540 degrees

Step-by-step explanation:

The formula to find the sum of interior angles in any polygon is the following:

$S=180(n-2)$

Where (n) represents the number of sides in the polygon. In this case, the polygon has (5) sides, therefore substitute (5) in place of (n) and solve;

$S=180(n-2)\\\\S=180(5-2)\\\\S=180(3)\\\\S=540$

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2 years ago

Which of the following numbers is irrational?

skelet666 [1.2K]

Answer:

Step-by-step explanation:

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3 years ago

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-2/3- (-3/4) Simplify if needed Brainliest Also, 5/6+5/12

bazaltina [42]

Answer:

$-\frac{2}{3} - (-\frac{3}{4}) = \frac{1}{12}$

$\frac{5}{6} + \frac{5}{12} = \frac{5}{3}$

Step-by-step explanation:

Given

$-\frac{2}{3} - (-\frac{3}{4})$

Required

Solve:

$-\frac{2}{3} - (-\frac{3}{4})$

Open bracket

$-\frac{2}{3} - (-\frac{3}{4}) = -\frac{2}{3} +\frac{3}{4}$

Take LCM

$-\frac{2}{3} - (-\frac{3}{4}) = \frac{-8+9}{12}$

$-\frac{2}{3} - (-\frac{3}{4}) = \frac{1}{12}$

$\frac{5}{6} + \frac{5}{12}$

Take LCM

$\frac{5}{6} + \frac{5}{12} = \frac{10+5}{12}$

$\frac{5}{6} + \frac{5}{12} = \frac{15}{12}$

Divide by 3/3

$\frac{5}{6} + \frac{5}{12} = \frac{5}{3}$

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3 years ago