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Harlamova29_29 [7]
3 years ago
9

A = {a, e, i, o, u} can also be written as A = {x : _______}

Mathematics
1 answer:
kenny6666 [7]3 years ago
4 0
Vowels?..

set builder
A | A is a vowel
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The sum of two numbers is 956. One is 94 less than 6 times the other. write an equation for the first sentence and second. Then
Setler79 [48]

Answer:

Step-by-step explanation:

suppose the first one is x. so the other one should be 6x-94 (as said).

so : x+6x-94 = 956 . then 7x -94 = 956 . then 7x = 1050 . so x = 1050/7 . then        

x = 150

5 0
2 years ago
On a map,the scale shown is 1inch:5miles.If an island is 75 square inches on the map,what is the actual area of the island?
Andreyy89

1 inch = 5 miles

1 square inch =25 square miles

25 square miles x 75 square inches = 1,875 square miles

Answer : 1,875 square miles

5 0
3 years ago
A person who is 5 feet tall is standing 108 feet from the base of a tree, and the tree casts a 120 foot shadow. The persons shad
svetoff [14.1K]

Answer:

Height of the tree is 50 ft.

Step-by-step explanation:

AB/DE =BC/EC

ratio is x/5 = 120/12

x/5 = 10

x=50

3 0
2 years ago
can someone help me understand this, please? For some reason my answer is correct but I need to understand how did I found the c
Morgarella [4.7K]

Answer with step-by-step explanation:

The way the question is worded, this actually shouldn't be correct. The correct answer should be 3:4.

Because the trapezoids are similar, we can find the ratio of their perimeters by actually just finding the ratio of their sides.

Why?

By definition, the corresponding sides of a polygon are in a constant proportion. The perimeter is simply the sum of all sides of the polygon. Since we're just adding the sides, the proportion will still be maintained.

Therefore, we'll just need to ratio of their corresponding sides. The only two corresponding sides that are marked are \overline{RS} and \overline{AB}.

The ratio of \overline{RS}:\overline{AB} is 18:24\implies \boxed{3:4}.

The reason why it ideally should be 3:4 and not 4:3 is because the question states RTSU\sim ABCD, which mentions RSTU first, so our answer should follow this respective order. I believe you were marked right anyways because the specific order is not specified, but generally, you want to give your answer respectively by default.

3 0
2 years ago
Help Are the triangles similar? If so, determine the scale factor of ΔPQR to ΔEFD.
alex41 [277]
The answer is B. 
When you set up a ratio of all the corresponding sides, the ratios all equal 2:1
8 0
3 years ago
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