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Rufina [12.5K]
3 years ago
7

What the answer for that

Mathematics
1 answer:
telo118 [61]3 years ago
3 0
1. Always true. 1+1=2
2. Always true. 1+e is irrational.
3. Sometimes true. e + (-e) = 0 which is rational.
4. Always true. 1*1 = 1
5. Sometimes true. 0*e = 0 which is rational.
6. Sometimes true. Sqrt(2) * sqrt(2) = 2 which is rational.

The question asked for an example to support your answer, but none of the answers can be proven with just one example. The answers which are sometimes true need 2 examples to be proven, and the answers which are always true cannot be proven by example.
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-12.2z - 13.4z=-179.2. <br><br>idk how to do this ​
Sever21 [200]

Let's solve your equation step-by-step.

−

12.2

z

−

13.4

z

=

−

179.2

Step 1: Simplify both sides of the equation.

−

12.2

z

−

13.4

z

=

−

179.2

−

12.2

z

+

−

13.4

z

=

−

179.2

(

−

12.2

z

+

−

13.4

z

)

=

−

179.2

(Combine Like Terms)

−

25.6

z

=

−

179.2

−

25.6

z

=

−

179.2

Step 2: Divide both sides by -25.6.

−

25.6

z

−

25.6

=

−

179.2

−

25.6

z

=

7

Answer:

z

=

7

8 0
3 years ago
Two brothers shared the coins in a piggy bank. Alan received 140 coins. When he gave 48 coins to his brother, the number of his
Musya8 [376]
Assume Alan's brother has x coins before Alan gave him 48 coins
x+48=1.4x (increased by 40%)
0.4x=48
x=120
120+140=260
answer is 260 coins
5 0
3 years ago
Your neighbor has been saving to buy a dirt bike. He has found a dirt bike for $836, which is 88% of the total amount he has sav
Gre4nikov [31]

Answer:

$936.32

Step-by-step explanation:

To solve this problem we need to find the remaining 12% of money our neighbor has saved since 88% was $836. To do this, we simply multiply $836 by 12%. Remember to change 12% into its decimal form (12% -> 0.12).

$836 x 0.12 = $100.32

Now, our last step is to add $100.32 to $836.

$836 + $100.32 = $936.32

Our answer is $936.32.

7 0
3 years ago
if a 6-kg bowling ball is rolled down the bowling lane with a velocity of 3.5m/s what is the momentum of the ball. show can you
Norma-Jean [14]

Answer:

Hello,  and I would like to help you. Would you mind if I just gave you the answer? If you would like me to explain say so in thec h a t

if you just want the answer tell me in c h a t I can always edit my answer.

Step-by-step explanation:

8 0
3 years ago
The school basketball team won the game. The finals score was a two digit number. The digit in the tens place was the number tha
8_murik_8 [283]

Answer:

1? Because its the only number beetween 2 and 0.

5 0
3 years ago
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