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3 years ago

A diagram shows a kite and its frame.

Mathematics

1 answer:

kati45 [8]3 years ago

7 0

Answer:

indeed it does

Step-by-step explanation:

wheres the diagram exactly?

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What is the equation of a line that has a slope of - 1/2 and a y intercept of 3

Alla [95]

y = ½x +3

Step-by-step explanation:

Slope = m = ½

y-intercept = 3

Substitute values into Slope intercept form :

$y = mx + b$

Where m = slope

b = y intercept

$y = \frac{1}{2} x + 3$

7 0

3 years ago

‼️⚠️⚠️‼️ HELP PLEASE WILL GIVE POINTS

kipiarov [429]

Answer:

m∠ABC=42°

Step-by-step explanation:

m∠ABD=70°

⇒m∠ABD=m∠ABC+m∠CBD

⇒70°=(3x+33°)+(5x+13°)

70°=8x+46°

70°-46°=8x

24°=8x⇒x=3°

x=3°

Then,

m∠ABC=3x+33°

put x=3°, we get

m∠ABC=3×3°+33°=9°+33°

m∠ABC=42°

3 0

3 years ago

What is the area of the triangle? no links just the answer plz.

nikitadnepr [17]

Answer:

A = 25

Step-by-step explanation:

Base = |-2-(-7)| = |-2+7| = 5

equation of the line that includes the base

x = 6 (because it is parallel to y axis)

the height passes to the point (-4,-4) and must be perpendicular to the base

the equation of the line of the base hasn’t the slope expressed, so the line of the height has a slope equal to 0

so the equation of the line is y= -4

the point (6,-4) is where the two lines intercept and it is the point where the height hit the base

height = |-4-6| = 10

A = (base x height)/2 = (5x10)/2 = 25

3 0

3 years ago

A theater has n rows of seats and the number of seats in each row is 4 less than the number of rows. Which of the following repr

tiny-mole [99]

Answer:

The correct option is a) n(n-4).

Step-by-step explanation:

Consider the provided information.

Let n represents the number of rows.

The number of seats in each row is 4 less than the number of rows.

This can be written as: $n-4$

A theater has n rows of seats.

Therefore the total number of seats in the theater is:

$n(n-4)$

Hence, the correct option is a) n(n-4).

7 0

4 years ago

Which of the following are solutions to 2tanx/1-tan^2x=sqrt 3?

Tanya [424]

Answer:

A, D

Step-by-step explanation:

$(\frac{2tanx}{1-tan^{2}x}) =\sqrt{3}$ (1)

Assume that tan x = y. Replace this into the equation (1), we have:

+) $\frac{2y}{1-y^{2} } =\sqrt{3}$

=> 2y = $\sqrt{3} . (1 -y^{2} ) =- \sqrt{3} .y^{2} + \sqrt{3}$

=> $\sqrt{3} .y^{2} + 2y - \sqrt{3} = 0$

=> $\sqrt{3} . y^{2} - 1.y + 3.y - \sqrt{3} =0$

=> $(\sqrt{3} . y.y - 1.y) + (\sqrt{3}.\sqrt{3} .y - \sqrt{3}) =0$

=> $y.(\sqrt{3} y - 1) + \sqrt{3} (\sqrt{3} y - 1) = 0$

=> $(y + \sqrt{3} ).(\sqrt{3} .y -1)=0$

=> $y + \sqrt{3} = 0$ or $\sqrt{3} y -1 =0$

If $y + \sqrt{3} = 0$

=> y = - √3

=> tan x = - √3

=> x = $\frac{2\pi }{3}$ + n. $\pi$ with n is an integral

If $\sqrt{3} y -1 =0$

=> y = 1/√3

=> tan x = 1/√3

=> x = $\frac{\pi }{6} + n.\pi$ n is an integral

So that A, D are answers.

3 0

3 years ago

Read 2 more answers