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Law Incorporation [45]
2 years ago
7

Triangle ABC is similar to triangle DEF.

Mathematics
1 answer:
Sav [38]2 years ago
7 0

Answer: x=7.7, y=40

3/x = 15/38.5

38.5*3=115.5

115.5/15= 7.7

x=7.7


3/8 = 15/y

15*8=120

120/3= 40

y=40


orrrr you can just easily find the scale factor which is 5, multiply 8 by 5 and get 40. And 38.5/5 which is 7.7

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Tammy has 4 times as many books as Willy . Willy has 180 fewer books than Tammy . How many books does Willy have ?​
enyata [817]

Answer:

60 books

Step-by-step explanation:

let the number of books Willy has be x , then

Tammy has 4x books

Willy has 180 fewer books , that is Tammy has 180 more than Willy , so

4x = x + 180 ( subtract x from both sides )

3x = 180 ( divide both sides by 3 )

x = 60

Thus

Willy has 60 books andTammy has 4 × 60 = 240 books

which is 180 more than Willy

7 0
1 year ago
A company recently started shipping its products in boxes with the following dimensions: 3 ft x 5 ft x 2 ft. The boxes the compa
Sonja [21]

Answer: The new boxes are 14 ft3 larger.

Step-by-step explanation:

Hi, to answer this question we have to calculate the volume of each box and compare them.

Volume of a rectangular prism = base x height x length

Replacing with the values given:

Old boxes volume: 4 x 2 x 2 =16 cubic feet

New boxes' volume: 3 x 5 x 2 = 30 cubic feet

Subtraction the old boxes volume to the new boxes volume:

30 ft3- 16 ft3 = 14 ft3

The new boxes are 14 ft3 larger.

7 0
3 years ago
At 9 a.m the outside temperature was -3 F. By noon the temperature was -12 F. Jorge said that it was getting warmer outside. Is
vlada-n [284]
No because the more negative the temperature is , the more colder it gets 
5 0
3 years ago
If y° and 150° form a linear pair , then y° ?​
yaroslaw [1]

Answer:

30 degrees

Step-by-step explanation:

A linear pair of angles add upto 180

So, y+150=180

y=180-150

=30

5 0
3 years ago
Read 2 more answers
How much does mike earn at fresh foods if he works 20 hours? 40 hours? 60 hours? He gets pay $10 per the hour
Taya2010 [7]

This is pretty easy math.

All we have to do here is multiply the hours times the constant (10$ an hour)

20*10=200$

40*10=400$

60*10=600$

All together he makes 1,200$.

-Seth


6 0
3 years ago
Read 2 more answers
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