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2 years ago

Someone, please help I'll give you brainiest!!

Mathematics

1 answer:

balu736 [363]2 years ago

4 0

Answer:

1= Not equal 2=Not equal 3=Equal 4=Not equal 5=Not equal

Step-by-step explanation:

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Find the length of the hypotenuse of an isosceles right triangle whose legs are 1 unit in length.

Kobotan [32]

$h = \sqrt{ 1^{2} + 1^{2} } = \sqrt{1+1} = \sqrt{2}$

7 0

3 years ago

A hot air balloon is flying at an altitude of 800 feet. A passenger takes a picture of the top of a tree and estimates that the

nalin [4]

The height of the tree given the depression angle to the top and the base

is given by the tangent relationship of the two given angles.

Correct response:

The height of the tree is approximately <u>79.58 feet</u>

<h3 /><h3>Methods used for the calculation of the height of the tree</h3>

Given:

Altitude of the hot air balloon = 800 feet

Angle of depression to top of tree = 43°

Angle of depression to base of tree = 46°

Required:

Height of tree

Solution:

The horizontal distance of the balloon from the tree is given as follows;

$\displaystyle tan(46^{\circ}) = \frac{Altitude \ of \ balloon}{Horizontal \ distance \ from \ tree} = \mathbf{\frac{800 \, feet}{Horizontal \ distance \ from \ tree}}$

Therefore;

$\displaystyle Horizontal \ distance \ of \ balloon \ from \ tree = \frac{800 \ feet}{tan(46^{\circ})}$

$\displaystyle tan(43^{\circ}) = \mathbf{\frac{Height \ of \ balloon \ above \ tree}{\dfrac{800 \, feet}{tan(46^{\circ})} }}$

Therefore;

$\displaystyle Height \ of \ balloon \ above \ tree = tan(43^{\circ}) \times \frac{800 \, feet}{tan(46^{\circ})}$

Height of tree = Altitude of balloon - Height of balloon above tree

Therefore;

$\displaystyle Height \ of \ tree = 800 \, feet - tan(43^{\circ}) \times \frac{800 \, feet}{tan(46^{\circ})} \approx \underline{ 79.58 \, feet}$

Learn more about angle of elevation and depression here:

brainly.com/question/1978238

4 0

2 years ago

Simplify 4 whole 2/7 + 5/7

tia_tia [17]

Answer:

Step-by-step explanation:

2/7+5/7=7/7=1 because 7/7 would be a 1 whole

4 0

2 years ago

Read 2 more answers

Will give brainliest please help ASAP

Snezhnost [94]

Answer:

Step-by-step explanation:

y>-3x+1 Negative slope

y<u><</u>x+2 Positive slope

< or > have dotted line

<u><</u> or <u>></u> have a solid line

> or <u>></u> means solutions are above the line

< or <u><</u> means solutions are below the line

The one with negative slope has a dotted line and solutions above it.

The one with positive slope has a solid line and solutions below it.

7 0

3 years ago

Given that a/x =12-3a,find the value of x when a=8

monitta

8 / x = 12 - 3(8)
8 / x = 12 -24
8 / x = -12
x = -0.66666666667

Check your work

8 /(-0.66666666667) = 12- 3(8)
-12 = 12 - 3(8)
-12 = -12

x = -0.66666666667 Exactaly (Ten 6's One 7)

Hope this helps :)

8 0

3 years ago