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igomit [66]
3 years ago
9

Please pleaseeeeee I need to get this done! after this math test I have 2 more math test than I’m in summer so please help!!!!

Mathematics
1 answer:
icang [17]3 years ago
3 0
13.5 bc x equal 2.7 so you multiply it by 5
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A pet store has 26 rabbits and hamsters. The number of rabbits is two more than double the number of hamsters. Which equation be
Ivenika [448]

Answer:

correct choice is D

Step-by-step explanation:

Let r be the number of hamsters. If the number of rabbits is two more than double the number of hamsters, then the number of rabbits is 2r+2.

A pet store has 26 rabbits and hamsters. When you subtract the number of hamsters from the total number of rabbits and hamsters, then you'll get the number of rabbits:

26 - r = 2r + 2.

6 0
3 years ago
Help pls<br> What is the solution to this system of equations?<br> x = 12 − y<br> 2x + 3y = 29
Oxana [17]

Answer:

       

Step-by-step explanation:

3 0
3 years ago
In 1992, South Dakota's population was 10 million. Since then, the population has grown by 1.4% each year. Based on this, when w
ella [17]

Answer:

  • 49.9 years or 50 years later.
  • At year : 2042

Explanation:

use compound interest formula:  \sf \boxed{ \sf P ( \sf 1 + \dfrac{r}{100} )^n}

\rightarrow \s \sf 10( 1 + \dfrac{1.4}{100} )^n = 20

\rightarrow \sf ( 1.014) ^n = 2

\rightarrow \sf n( ln( 1.014) ) = ln(2)

\rightarrow\sf n = \dfrac{ln(2)}{ln( 1.014)}

\rightarrow\sf n = 49.8563 \ years

8 0
2 years ago
Read 2 more answers
Help please will give brainlist <br><br> Find x+y
Leno4ka [110]

Answer:

62

Step-by-step explanation:

2y-5 and 95 are vertical angles so they are equal

2y - 5 = 95

2y = 100

y = 50

3x and 144 form a linear pair angle so

3x + 144 = 180

3x =  36

x = 12

x=12 and y=50 so

12 + 50 = 62

3 0
3 years ago
Read 2 more answers
PLZZ HELP URGENT
Mashcka [7]

Answer:

5x + 2x.....combine like terms..... = 7x

5x + 2x....subbing in 1                               7x - 1....subbing in 1

5(1) + 2(1) = 5 + 2 = 7                               7(1) - 1 = 7 - 1 = 6

5x + 2x...subbing in 2                                 7x - 1...subbing in 2

5(2) + 2(2) = 10 + 4 = 14                            7(2) - 1 = 14 - 1 = 13

5x + 2x...subbing in 3                                 7x - 1...subbing in 3

5(3) + 2(3) = 15 + 6 = 21                            7(3) - 1 = 21 - 1 = 20

5x + 2x...subbing in 4                                 7x - 1....subbing in 4

5(4) + 2(4) = 20 + 8 = 28                            7(4) - 1 = 28 - 1 = 27

5x + 2x...subbing in 5                                 7x - 1...subbing in 5

5(5) + 2(5) = 25 + 10 = 35                          7(5) - 1 = 35 - 1 = 34

5x + 2x result values are 1 more then 7x - 1 result values

there are no values that will make the 2 expressions equal....

because 5x + 2x = 7x......and the other one is 7x - 1......so the 7x - 1 values will always be 1 number less...because ur subtracting one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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