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marusya05 [52]
3 years ago
9

Which property is BEST to use when simplifying 5/18 + 2/9 + 13/18?

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0
I think the answer is A
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Triangle ABC is similar to Triangle DEF. What is the measure of angle DEF? Refer to image, please show work :)
Ne4ueva [31]
Remember, all the interior angles of a triangle equals 180.
So in triangle ABC, it already gives us two out of the three angles. 

First, we add 52 and 36 and that gives us 88.

Now we subtract 88 from 180.

180 - 88 = 92

So that means that ∠ABC is 92°

Now we have to look at triangle DEF. 
The equation says that triangle DEF is similar to triangle ABC.

Looking at the picture, triangle DEF is smaller and is flipped upside down.

So that means that ∠ABC ≈ ∠DEF

In similar triangles, the measurements of angles does NOT change. Just the side length.

So since ∠ABC = 92° that means that ∠DEF = 92°
4 0
3 years ago
There are 18 students in Mrs. Lynn's first grade class. Eight of her students are boys. What is the ratio of girls to boys?
liubo4ka [24]
The ratio is 10 girls to 8 boys 
3 0
3 years ago
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Write 2520 as a product of prime factors using exponent?
VLD [36.1K]
Hope this helps 
<span>2520 = 2^3 x 3^2 x 5 x 7</span>
6 0
3 years ago
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At a water park there is a slide that you really want to ride. In order to get to the top of the 29 foot slide you must first cl
murzikaleks [220]

Answer: 20 feet

Step-by-step explanation:

This represents a right angled triangle with the length of the slide being the hypotenuse, the height of the ladder being the height of the triangle and the distance from the base of the ladder being the length.

Solve with Pythagoras rule:

c² = a² + b²

c = hypotenuse

a= length

b = height

29² = 21² + b²

841 = 441 + b²

b² = 841 - 441

b² = 400

b = √400

b = 20 feet

8 0
3 years ago
a gardener uses a tray of 6 conical pots to plant seeds. each conical pot has a radius of 3 centimeters and a depth of 8 centime
lubasha [3.4K]
The volume of a cone is one-third of the product of the area of the base times the height, i.e.

(1/3)π(r^2)*h = (1/3)π(3cm)^2 *(8cm) = 75.40 cm^3

Now multiply that by the number of cones: 6 * 75.40 cm^3 = 452.40 cm^3.

Then the answer is 452 cm^3
3 0
3 years ago
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