All categories

3 years ago

What is the perimeter of the triangle below? O 30 015 0 42 O 35

Mathematics

2 answers:

Bezzdna [24]3 years ago

7 0

The answer is 42
Hope this help?

umka21 [38]3 years ago

3 0

The answer to this question is :42
Your welcome:)

You might be interested in

The figure is made up of two identical semicircles enclosed within a rectangle. Find the perimeter of the shaded region using 3.

Vitek1552 [10]

Answer:

61.74

Step-by-step explanation:

so u start off by solving for ghe semicircles.

the formula I wrote for it was:

1/2(3.14)(3)(3)=14.13

then i multiplied it by 2 because the other semicircle so you get:

28.26

then u find the area of the rectangle and subtract 28.26.

15x6=90

90-28.26=61.74

5 0

3 years ago

The oblique pyramid has a square base. What is the volume of the pyramid? 2.5 cm3 5 cm3 6 cm3 7.5 cm3

Olenka [21]

Take a look at the attachment below. It fills in for the attachment that wasn't provided in the question -

An oblique pyramid is one that has a top not aligned with the base. Due to this, the height of the pyramid connects with two vertices at its ends to form a right angle present outside the pyramid, knowing that it is always perpendicular to the base. There is no difference between the calculations of the volume of an oblique pyramid and a pyramid however -

$\\Base Area = 2 cm * 2 cm = 4 cm^2,\\Volume ( Pyramid ) = 1 / 3 * ( Base Area ) * ( Height ),\\Volume = 1 / 3 * ( 4 ) * ( 3.75 ),\\-------------------------\\Volume = 5 cm^3$

And thus, you're solution is 5 cm^3, or in other words option b!

3 0

3 years ago

A stack of 200 file folders is 5.125 inches tall what is the thickness of each folder?

pishuonlain [190]

Answer:

divide 5.125 by 1

Step-by-step explanation:

done bye

4 0

3 years ago

Read 2 more answers

A movie collector has 105 movie posters and 90 band posters if she sells 21 movie posters then how many band posters should she

kotykmax [81]

Hi there! :)

Answer:

In order to maintain the same ratio, she should sell 18 band posters.

Step-by-step explanation:

Initial ratio:

Ratio is: 105 movie posters for 90 band posters = 105 : 90

She sells 21 movie posters, which means that we are left with 105 movies minus the 21 she sold.

105 - 21 = 84 → She now has 84 movie posters.

In order to answer your question, you'll need to use the cross product method:

105 movie posters → 90 band posters

84 movie posters → X

(90 × 84) ÷ 105 = X

7,560 ÷ 105 = X

72 = X ⇒ Number of band posters she should have left to maintain the same ratio.

She has 90 band posters :

90 - X = 72

Add "X" to each side of the equation → 72 + X = 72 + X

90 = 72 + X

Subtract 72 from each side of the equation → 90 - 72 = 18

18 = X

There you go! I really hope this helped, if there's anything just let me know! :)

4 0

4 years ago

Hlol can u plz solve b no plz plz.....I will mark as brainliest

zimovet [89]

Answer:

Step-by-step explanation:

$Tan \ B =\frac{4}{3} = \frac{opposite \ side \ of B}{adjacent \ side \ of B}$

BC = 15 cm

3x = 15

x = 15/3 = 5

AB =4x = 4*5 = 20 cm

Pythagorean theorem,

AC² = AB² + BC²

= 20² + 15 ²

= 400 + 225

= 625

AC = √625 = 25 cm

AC = 25 cm

$Sin \ A = \frac{opposite \ side \ of \ angle A }{hypotenuse}\\\\ = \frac{BC}{AB}=\frac{15}{25}=\frac{3}{5}$

6 0

3 years ago