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zloy xaker [14]
2 years ago
7

What is the value of x

Mathematics
2 answers:
Maslowich2 years ago
8 0

Answer:

x=4.5

Step-by-step explanation:

The triangles are similar (bases are parallel so bottom angles are equal (corresponding), hence they're similar by AA)

Since they're similar, their sides are in ratio:

(x+6)/(x+x+6)=(30-9)/(30)

(x+6)(30)=(2x+6)(21)

30x+180=42x+126

12x=54

x=4.5

gayaneshka [121]2 years ago
5 0

Answer:

Assuming the other side is 30, x=12

Step-by-step explanation:

X+(X+6)=30

2x+6=30   (open the brackets by distributing the plus sign inside)

2x=24       (subtract 6 from both sides)

x=12          divide both sides by 12

This makes sense because of x is 6, and x+6 is 18, 6+18=30.

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It says "A group buys 5 tickets and 4 popcorns and spends $82"
Dahasolnce [82]
Idk because u dont say how much each think cost.
8 0
3 years ago
If an orange traffic cone has a diameter of 10 in. and a height of 28 in. what is the volume of the cone?
e-lub [12.9K]

Answer:

\large\boxed{V=\dfrac{700\pi}{3}\ in^3\approx732.67\ in^3}

Step-by-step explanation:

The formula of a volume of a cone:

V=\dfrac{1}{3}\pi r^2H

<em>r</em><em> - radius</em>

<em>H</em><em> - height</em>

We have the diameter <em>2r = 10in → r = 5in</em>, and the height <em>H = 28in.</em>

Substitute:

V=\dfrac{1}{3}\pi(5^2)(28)=\dfrac{1}{3}\pi(25)(28)=\dfrac{700\pi}{3}\ in^3

\pi\approx3.14\to V\approx\dfrac{(700)(3.14)}{3}\approx732.67\ in^3

7 0
3 years ago
Please help with simple probability question. Extra points &amp; brainliest. Thanks in advance.
kodGreya [7K]
The answer is B) 1/3.

There are 6 faces on a rectangular prism, each of which is a rectangle.  

The area of the front and back is given by 25(8) = 200 sq. cm.
The area of the bottom and top is given by 25(4) = 100 sq. cm.
The area of the right and left is given by 4(8) = 32.

There are 2 faces out of 6 with an area that is not a multiple of 100; 2/6 = 1/3.
3 0
3 years ago
I NEED ANSWER NOW WILL GIVE BRAINLIEST How can the formula V = Bh be used to find the volume of the desk from the Volume of Comp
tresset_1 [31]

Answer:

Step-by-step explanation:

The volume of a cylinder can be determined using the formula V = Bh where B is the area of the base of the cylinder and h is the height.

Whereas the basic formula for the area of a rectangular shape is length × width, the basic formula for volume is length × width × height.

In the real world, calculating volume is probably not something that you will use as often as calculating area.

However it can still be important. Being able to calculate volume will enable you to, for example, work out how much packing space you have when moving house, how much office space you need, or how much jam you can fit into a jar.

It can also be useful for understanding what the media mean when they talk about the capacity of a dam or the flow of a river.

5 0
3 years ago
Please help so I can make my family proud
Levart [38]

Answer:

A = 83.5m^2

Step-by-step explanation:

9 * 19 = 171m for the complete rectangle

9 - 4 = 5

5 * 19 = 95

95 / 2 = <u>47.5m</u> for the triangles

9 * 4 = <u>36m</u>

36 + 47.5 = <u>83.5m</u>

<em><u>Plz mark as brainliest if correct! Have a nice day!!! </u></em>

<em><u>-Lil G</u></em>

8 0
3 years ago
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