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Klio2033 [76]
3 years ago
12

Just tell me the answer​

Mathematics
1 answer:
djyliett [7]3 years ago
5 0

for????????????????????

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A ladder leans against the side of a house. The angle of elevation of the ladder is 73°, and the top of the ladder is 14 ft abov
Elena L [17]

Answer:

4.3 feets

Step-by-step explanation:

Given that:

Angle of elevation = 73°

Horizontal distance from foot of ladder to bottom of wall = x feets

Height of ladder = 14 feets

The horizontal distance, x :

Using trigonometry :

Tan θ = opposite / Adjacent

Tan θ = 14 / x

Tan 73 = 14 / x

3.2708526 * x = 14

x = 14 / 3.2708526

x = 4.2802295

x = 4.3 feets

3 0
3 years ago
The ratio of the measures of the angles in a triangle is 8:3:4 find the measures of the angles
NeTakaya
<h3>The measure of angles of triangle are 96 degree, 36 degree and 48 degrees</h3>

<em><u>Solution:</u></em>

The ratio of the measures of the angles in a triangle is 8:3:4

Let the first angle be 8x

Let the second angle be 3x

Let the third angle be 4x

We know that,

sum of all angles in triangle is 180 degrees

Therefore,

8x + 3x + 4x = 180

15x = 180

x = 12

Thus,

First angle = 8x = 8(12) = 96

second angle = 3x = 3(12) = 36

third angle = 4x = 4(12) = 48

Thus measure of angles of triangle are 96 degree, 36 degree and 48 degrees

3 0
4 years ago
Y= x^3 + 8x^2 +5x<br> work out the coordinates of the two turning points
aliya0001 [1]

Answer:

(-5, 50) and (-1/3, -0.815)

Step-by-step explanation:

The equation is;

y = x³ + 8x² + 5x

Now the turning point will occur at where dy/dx = 0.

Thus;

dy/dx = 3x² + 16x + 5

At dy/dx = 0, we have;

3x² + 16x + 5 = 0

From quadratic formula, we can get;

x = -5 or -⅓

Thus, let's find y at this points.

y = -5³ + 8(-5)² + 5(-5)

y = -125 + 200 - 25

y = 50

Also,at x = -⅓, we have;.

y = (-⅓)³ + 8(-⅓)² + 5(-⅓)

y = -1/27 + 8/9 - 5/3

y = -0.815

Thus,the coordinates of the turning points are;

(-5, 50) and (-1/3, -0.815)

6 0
3 years ago
“Thirty percent and fifteen percent make forty-five percent and 45% of $60 is $33, so it will cost $33.”
Kaylis [27]
So you gave yourself the own answer lol
8 0
3 years ago
Complete the table for the given rule.<br> Rulet y =
siniylev [52]

At x = 8, y = 4

At x = 14, y = 7

At y = 3, x = 6

Solution:

Given rule:

$y=\frac{x}{2}

At x = 8,

$y=\frac{8}{2}=4

Hence at x = 8, y = 4.

At x = 14.

$y=\frac{14}{2}=7

Hence at x = 14, y = 7.

At y = 3

$3=\frac{x}{2}

Multiply by 2 on both sides.

$3\times2=\frac{x}{2} \times2

6 =x

Hence at y = 3, x = 6.

The image of the table is attached below.

3 0
4 years ago
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