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RideAnS [48]
3 years ago
9

Write an equivalent expression. 15a - 20 + 10a = 5 ( ? a - ? )

Mathematics
2 answers:
nalin [4]3 years ago
8 0
The answer is: 5 (5a - 4)
blsea [12.9K]3 years ago
8 0

Answer:

yeswd

Step-by-step explanation:wwwwwwwwwwwww

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What is the feet and in47 in = ? ft ? in
MA_775_DIABLO [31]

Answer:

3.167

Step-by-step explanation:

Hope this helps

8 0
3 years ago
A tree cast a shadow of 30m long and a 2m stick casts one that is 3m long. As show in the below diagram how tall is the tree?​
PSYCHO15rus [73]

Answer:

  • 20 m

Step-by-step explanation:

<u>We have similar triangles here.</u>

  • BC║DE, AB║AD and AC║AE ⇒ ΔADE ~ ΔABC

<u>The ratio of corresponding sides of similar triangles is same:</u>

  • BC/DE = AC/AE
  • BC / 2 = 30/3
  • BC / 2 = 10
  • BC = 2*10
  • BC = 20 m
6 0
3 years ago
Read 2 more answers
Ronnie's Rentals
ZanzabumX [31]

Answer:

P = 25 + (15)n

Total amount paid by David = $100

Step-by-step explanation:

Given:

Fixed cost of renting chain saw =  $25

Variable cost of renting chain saw =  $15 per hour

Time taken = 5 hour

Find;

Total amount paid by David

Computation:

Assume;

Total amount paid by David = P

Time taken = n

So,

P = 25 + (15)n

P = 25 + (15)(5)

P = 25 + 75

P = 100

Total amount paid by David = $100

5 0
3 years ago
I will Mark you brainliest if you explain your work
Vlad1618 [11]

Answer:

(-1/2, 1)

Step-by-step explanation:

I just used the midpoint formula, and plugged in the points. I hope this helps!

=(x^2+x^1 /2 , y^2+y^1 /2)

=(-2+1 /2 , -5+3 /2)

=(-1/2, 1)

8 0
3 years ago
Read 2 more answers
I need help with this problem asap :(
Dafna1 [17]

Answer:

m<P=130°

m<Q=130°

m<R=50°

Step-by-step explanation:

m<P=130

m<Q=130

m<R=50

3 0
2 years ago
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