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Gnom [1K]
3 years ago
7

How do you find the x?

Mathematics
1 answer:
AnnyKZ [126]3 years ago
3 0
There are 180 degrees total in a triangle and the tell you one angle is 90. So you solve the equation 4x+6x=90. So x=9
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¿Cual es el volumen del cilindro si su area lateral es 55,8cm2?
dolphi86 [110]

Based on the lateral area of the cylinder, the volume of the cylinder can be calculated to be 139.5 cm³.

<h3>What is the volume of the cylinder?</h3>

When given the lateral surface area of a cylinder, you can find the volume as:

= Area of lateral surface x (radius / 2)

Solving gives:

= 55.8 x (5 / 2)

= 55.8 x 2.5

= 139.5 cm³.

Missing part of the question:

Radius of the cylinder is 5cm.

Find out more on the lateral surface area at brainly.com/question/14642720.

#SPJ1

8 0
2 years ago
A carnival ride is in the shape of a wheel with a radius of 15 feet. The wheel has 24 cars attached to the center of the wheel.
Nataly_w [17]

Answer:

central angle = 360/24 = 15°

arc length = 15/360 * 2π * 15 = 1.25π = 3.93 feet.

Area of a sector = 15/360 * π * (15)^2 = 9.375π = 29.45 square feet

Hope This Helps!     Have A Nice Day!!

4 0
3 years ago
Use multiplication to find three equivalent ratios<br> 11 : 9
dlinn [17]

11 : 9

×2 ×2

22 : 18

11 : 9

×3 ×3

33 : 27

11 : 9

×4 ×4

44 : 36

5 0
3 years ago
When factorising a quadratic trinomial of the form ax^2 + bx + c, we need to find two numbers which ???? (see image for options)
kupik [55]

Answer: Choice E

multiply to give a*c and add to get b

===========================================

This is known as the AC factoring method based on how you multiply the first and last coefficients (a and c) and use that product to figure out which factors add to the middle coefficient.

---------

An example:

6x^2 + 35x + 50

We have a = 6, b = 35, c = 50

Multiply a and c and we get: a*c = 6*50 = 300

We need to find factors of 300 that pair up and add to 35

Through trial and error you should find,

15 * 20 = 300

15 + 20 = 35

The two numbers are therefore 15 and 20.

So we break 35x into 15x+20x and use the factor by grouping method

6x^2 + 35x + 50

6x^2 + 15x + 20x + 50

(6x^2 + 15x) + (20x + 50)

3x(2x + 5) + 10(2x + 5)

(3x + 10)(2x + 5)

We see that 6x^2 + 35x + 50 factors to (3x + 10)(2x + 5)

Use the FOIL method or the box method or distribution to help see that (3x + 10)(2x + 5) expands back to 6x^2 + 35x + 50.

3 0
3 years ago
How do I find the width in a frequency distribution?
Mama L [17]
I believe it is that you multiply
4 0
3 years ago
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