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Marta_Voda [28]
2 years ago
13

Find the product. (s + t)(5s – 7t)

Mathematics
2 answers:
nevsk [136]2 years ago
7 0

Answer and Step-by-step explanation:

<u>Distribute the s, then distribute the t, then finally simplify.</u>

<u></u>

<u></u>5s^2 - 7st\\5st - 7t^2\\\\5s^2 - 7st + 5st - 7t^2\\\\5s^2 - 2ts = 7t^2<u><-- This is the answer.</u>

<u></u>

<u></u>

<u>#teamtrees #PAW (Plant And Water)</u>

joja [24]2 years ago
6 0

Answer:

5s^2 - 30st - 7t^2

Step-by-step explanation:

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For every 13 birds born at the zoo there are two animals born. There were 44 if you were animals born last month then birds so h
Daniel [21]
The ratio birds : animals = 13 : 2
so for every 1 animal, 6.5 birds were born

last month: animals = birds - 44
birds - animals = 44
use trial and improvement to find:
if there were 52 birds, there must be 8 animals
CHECK: 52 - 8 = 44
4 0
3 years ago
Calculate the future value of the annuity assuming that it is (1) an ordinary annuity (2) an annuity due. Comparing the two type
olga55 [171]

Answer: Here's the complete question.

calculate the future value of the annuity assuming that it is (1) an ordinary annuity (2) an annuity due. Comparing the two types of annuities, all else equal, which type is more preferable? Why? Amount of annuity Interest rate Deposit period (years) $500 12% 6

Ordinary annuity = 4545, annuity due = 4058 , ordinary annuity is better because it discounts for one less year

Ordinary annuity = 4058, annuity due = 4545, annuity due is better because it discounts for one less year.

Ordinary annuity = 4058, annuity due = 4545, annuity due is better because it compounds for one more year.

Ordinary annuity = 4545, annuity due = 4058 , ordinary annuity is better because it compounds for one more year.

Step-by-step explanation:

Future value of ordinary annuity = Amount*[{(1+r)n – 1}/r]

= 500*[{(1.12)6 – 1}/0.12]

= $4,057.59

i.e. $4,058

Future value of annuity due = (1+r)*Future value of ordinary annuity

= 1.12*4,058

= $4,545

Hence, the answer is

Ordinary annuity = 4058, annuity due = 4545, annuity due is better because it compounds for one more year.

Since payments are made at the beginning of the year

8 0
3 years ago
If the x-values repeat in a table, is it a function or not a function?
BartSMP [9]

Answer:

Step-by-step explanation:

x    y

3    1

3    2

3    3

No this is not a function x values can only have 1 y associated with them.

8 0
3 years ago
Read 2 more answers
Plz help............................
saul85 [17]
<span>2x ( to the second power )-5x+9 </span>
4 0
3 years ago
|4x−1|=7 PLEEEASE HELP!!!
Alisiya [41]

Answer:

x = 2, - 3/2.

Step-by-step explanation:

|4x - 1| = 7

4x - 1 = 7 or  4x - 1 = -7

4x = 8      or     4x =  -6

x = 2 , x = -3/2.

3 0
3 years ago
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