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3 years ago

Can anyone help me solve this??

Mathematics

2 answers:

DedPeter [7]3 years ago

7 0

Answer:

The angle of elevation is 32 degrees.

Step-by-step explanation:

To solve this problem, we first must recognize that the angle of elevation is the angle from the horizontal up to the plane; in other words, from Point C to Point A (where the ? symbol is located). Using this knowledge, we see that there are two other angles inside the same triangle, one measuring 90 degrees (represented by the square) and one measuring 58 degrees.

We must remember that in a triangle, the interior angles must add up to 180 degrees, so we can construct the following equation.

90+58+x = 180, where x is the unknown value

If we simplify the left side, we get

148 + x = 180

Next, we should subtract 148 from both sides to isolate the variable x.

x = 32

Therefore, the angle of elevation is 32 degrees.

Hope this helps!

labwork [276]3 years ago

5 0

here is your answer mate.

in triangle ABC

angle ABC + angleBAC + angleACB = 180 Degrees. (angle sum property of triangle)

90 + 58 + angle ACB = 180 degree.

148 + angle ACB = 180 degree.

angle ACB = 180 - 148

angle ACB = 32 degree

the angle of elevation is 32 degrees

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A bicycle wheel with radius 30cm made 1000 revolutions. What distance did it cover?

Inga [223]

The distance covered by bicycle is 1.885 km.

What is distnace?

Distance is a measurement of how far apart two things or points are, either numerically or occasionally qualitatively. Distance can refer to a physical length in physics or to an estimate based on other factors in ordinary language.

Given: A bicycle wheel with radius 30cm made 1000 revolutions.

We have to find the total distance covered by bicycle.

First to find the circumference of the bicycle wheel.

Circumference = 2πr

where, r is the radius.

Here r = 30.

So,

Circumference = 2 x π x 30 = 60π

Now to find the total distance,

D = circumference x number of revolutions.

D = 60π x 1000

D = 188,495.5592 cm

D = 188,495.5592 /1000 km

D = 1.88 km

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1 year ago

on monday, steve read 9 pages of his new book. to finish the first chapter on tuesday, he needs to read double the number of pag

Greeley [361]

18 pages because nine needs to be doubled

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2 years ago

What is the distance between point A and point B?what is the ordered pair for each of the points plotted above?

Alekssandra [29.7K]

Answer:

A: (0,0), B: (3, -4), 5 units

Step-by-step explanation:

A: (0,0), B: (3, -4)

To find the distance, use the distance formula. Square-root((0-3)^2+(0-(-4))^2) ---> Square-root((-3)^2 + 4^2) ---> Square-root(9+16) ---> Square-root(25) ---> 5units.

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3 years ago

Quizizz 10 pts each help please WITH PIC brainiest guaranteed

lawyer [7]

Answer:

2. $-2m^4-6m^2+4m+9$

3. $-2m^4-6m^2-4m+9$

Step-by-step explanation:

In general we can write a polynomial in standard form as

$ax^n+bx^n^-^1+cx^n^-^2+...+px+q$

Given $4m-2m^4-6m^2-4m+9$

Combine the like terms: 4m and -4m

4m-4m=0

We have 4m-4m=0

So, write the remaining terms

$-2m^4-6m^2+9+0$

= $-2m^4-6m^2+9$

This is in decreasing order of powers.

Hence the answer is the standard form is

$-2m^3-6m^2+9$

But in the given options, you can choose option 2 and option 3 are in standard form.

Because they are in decreasing order of powers.

In other two options, the constants term is first and the highest power term is at the last. So, they are not in standard form.

-2m^4-6m^2+4m+9

-2m^4-6m^2-4m+9

I hope this helps you.

And please comment if I need to do corrections.

Please let me know if you have any questions.

8 0

3 years ago

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tatyana61 [14]

We can use a trig function to find the measure of angle T.

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Take the archtangent on both sides since we are searching for an angle.

arctan(tan T) = arctan(18/13)

T = 54.16°

The measure of angle T is 54.16°.

4 0

3 years ago