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Alex17521 [72]
2 years ago
7

721 + 19 =886 + 33 -447 22=915 + 36 =??​

Mathematics
2 answers:
mel-nik [20]2 years ago
6 0

I dont know if you still need the answers but im on a mathematics streak so imma jus answer dis rq.

timama [110]2 years ago
5 0

Answer:

Step-by-step explanation:

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If your brother is 12 years old and you are 10 years old. How old will you have to be to be half your brother's age?
vivado [14]
6 years old because 12 divided by 2 is 6

4 0
3 years ago
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5 + 2(3 + 2x) = x + 3(x + 1)
Free_Kalibri [48]

Answer:

no solution

Step-by-step explanation:

5 + 2(3 + 2x) = x + 3(x + 1) ← distribute parenthesis on both sides

5 + 6 + 4x = x + 3x + 3 , simplify both sides

11 + 4x = 4x + 3 ( subtract 11 from both sides )

4x = 4x - 8 ( subtract 4x from both sides )

0 = - 8 ←  false statement

This indicates the equation has no solution

7 0
2 years ago
Solve for x. -0.65 + 0.45x = 5.4
FinnZ [79.3K]

Answer:

x = 13.444 ... (repeating decimal) or;

x = 13 4/9

Step-by-step explanation:

-0.65 + 0.45x = 5.4

First we will add 0.65 to each 'side' of the equation.

0.65 + (-0.65) + 0.45x = 0.65 + 5.4

        0.65 + (-0.65) = 0

        0.65 + 5.4 = 6.05

Input the numbers, and now the equation looks like this:

0 + 0.45x = 6.05

Remove the zero:

0.45x = 6.05

Divide each 'side' by 0.45.

0.45x ÷ 0.45 = 6.05 ÷ 0.45

        0.45x ÷ 0.45 = 1x = x

        6.05 ÷ 0.45 = 13.444 ... repeating decimal

Input the numbers, and now the equation looks like this:

x = 13.444 ... repeating decimal

We can also write this as:

x = 13 4/9 in fraction form

3 0
3 years ago
Each of the five school buses can hold 43 pupils.
MAVERICK [17]
43x5= 215
215 pupils
215-200=15
15 seats
7 0
2 years ago
Read 2 more answers
Cher wraps 40 presents in 2 hours. At that rate, how many presents would she wrap in 15 minutes
gavmur [86]

Answer:

5 presents

Step-by-step explanation:

40 presents in 2 hours

20 presents in 1 hour (divide by 2)

20 presents in 60 minutes ( 1 hour is 60 minutes )

5 presents in 15 minutes ( divide by 4)

6 0
2 years ago
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