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noname [10]
3 years ago
13

The two triangles are similar. Find the values of the unknown variables.

Mathematics
1 answer:
cluponka [151]3 years ago
8 0

Answer:

x=84

y=59

Step-by-step explanation:

if the triangles are similar than the angles don't change so and y is equal to 59.

to find the missing side we do 40/30 x 63 and we get that x=84

You might be interested in
Use multiplication to find 2 equivalent fraction for 3/4 and 4/5
Contact [7]
Equivalent fractions for 3/4 are 6/8 and 9/12

Equivalent fractions for 4/5 is 8/10 and 12/15
7 0
3 years ago
Write as a product 27a^3−(a−b)^3
jarptica [38.1K]

Answer:

  (2a +b)·(13a^2 -5ab +b^2)

Step-by-step explanation:

The factorization of the difference of cubes is a standard form:

  (p -q)^3 = (p -q)(p^2 +pq +q^2)

Here, you have ...

  • p = 3a
  • q = (a-b)

so the factorization is ...

  (3a -(a -b))·((3a)^2 +(3a)(a -b) +(a -b)^2) . . . . substitute for p and q

  = (2a +b)·(9a^2 +3a^2 -3ab +a^2 -2ab +b^2) . . . . simplify a bit

  = (2a +b)·(13a^2 -5ab +b^2) . . . . . . collect terms

6 0
3 years ago
PLEASE ANSWER ASAP WILL GIVE BRAINLIEST.
lara31 [8.8K]

Answer:

C) The cost increases $2.50 for every additional pair of shoes rented.

Step-by-step explanation:

Notice a pattern. When you buy a new pair of shoes, the total gets increased by $2.50 depending on how many pairs of shoes you buy. For example, starting with 1 pair of shoes, it costs $2.50, but when you buy another pair, the cost is $2.50+$2.50=2*$2.50=$5.00, and so on...

Therefore, the correct choice is C

7 0
2 years ago
Why is the greatest common factors with 2 numbers sometimes 1
OverLord2011 [107]
The greatest common factor of two numbers, one of which is 1, will always be 1.
5 0
3 years ago
What is the 32nd term of the arithmetic sequence where a1 = 12 and a13 = -60
Olin [163]

Answer:

The 32nd term of Arithmetic sequence is -174

Step-by-step explanation:

Given: a_1=12, a_{13}=-60

We are given two term of the Arithmetic sequence.

Formula:

a_n=a+(n-1)d

For  a_1=12

a=12

For a_{13}=-60

a+12d=-60

Using two equation solve for a and d

12+12d=-60

1+d=-5

d=-6

We need to find 32nd term

a_{32}=a+31d

a_{32}=12+31(-6)

a_{32}=12-186

a_{32}=-174

Hence, The 32nd term of Arithmetic sequence is -174

5 0
3 years ago
Read 2 more answers
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