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3 years ago

Pls help me with this question. Thank you!

Mathematics

1 answer:

Masja [62]3 years ago

6 0

All I can help with is that the very bottom left angle is 60 degrees

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Sheila predicted that the Doja cat concert would have 310 people attend. Only 220 attended. Find the percent Error Show your wor

satela [25.4K]

Answer: 29%

Step-by-step explanation: 220 out of 310 attended. This mean the error percentage is 90/310. Dividing 90 by 310, we get the answer of around 29%.

Would appreciate brainly <3

4 0

2 years ago

Robert is lying on the ground, looking at the top of a flagpole. The angle of elevation to the top of the flagpole is

NeTakaya

Answer:

Height of flagpole = 571 ft

Step-by-step explanation:

Given:

Angle of elevation to the top of the flagpole is 55° .

Distance from the eyes to the base of flagpole = 400 ft.

To find the height of the flagpole.

Solution:

We can draw the situation as a right triangle as shown below.

In triangle ABC.

$BC=400\ ft$

∠C= 55°

To find the length AB (height of the flagpole).

Applying trigonometric ratio :

$\tan\theta=\frac{Opposite\ side}{Adjacent\ side}$

$\tan C=\frac{AB}{BC}$

Plugging in values.

$\tan 55\°=\frac{AB}{400}$

Multiplying both sides by 400.

$400\tan 55\°=\frac{AB}{400}\times 400$

$571.26=AB$

∴ $AB\approx 571\ ft$

Height of flagpole = 571 ft

6 0

3 years ago

3-2|x+4|+3=1 the answer for this

blagie [28]

Answer:

x={-3/2,-13/2}

Step-by-step explanation:

3-2|x+4|+3=1

-2|x+4|+6=1

-2|x+4|=-5

|x+4|=5/2

x+4=5/2

x+4=-5/2

x=5/2-4

x=-3/2

x=-5/2-4

x=-13/2

7 0

2 years ago

Finding the tangent of angle E

Pavlova-9 [17]

I don’t know but I need an answer

3 0

2 years ago

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Two angles whose sides are opposite rays are called ____ angles. Two coplanar angles with a common side, a common vertex, and no

Dimas [21]

Two angles whose sides are opposite rays are called vertical angles. Two coplanar angles with a common side, a common vertex, and no common interior points are called adjacent angles.

<h3>Further explanation </h3>

Adjacent Angles are two angles that share a common vertex, a common side, and no common interior points. They share a vertex and side, but do not overlap. The example is shown in the picture below.

Where ∠1 and ∠2 are adjacent angles, ∠ABC and ∠1 are NOT adjacent angles because ∠ABC overlaps ∠1.

Vertical Angles are two angles whose sides form two pairs of opposite rays (straight lines). Vertical angles are located across from one another in the corners of the "X" formed by the two straight lines. The example is shown in the picture below.

Where ∠1 and ∠2 are vertical angles, ∠3 and ∠4 are vertical angles, Vertical angles are not adjacent. ∠1 and ∠3 are not vertical angles (they are a linear pair) and Vertical angles are always equal in measure.

<h3>Learn more</h3>

Learn more about vertical angles brainly.com/question/2448393
Learn more about pair of angles brainly.com/question/1358595
Learn more about adjacent angles brainly.com/question/10557061

<h3>Answer details</h3>

Grade: 9

Subject: mathematics

Chapter: pair of angles

Keywords: vertical angles, adjacent angles, pair of angles, complementary angles, horizontal angles

7 0

3 years ago

Read 2 more answers