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pychu [463]
2 years ago
6

Peyton says the sum of two numbers can never be zero. Explain why Peyton's reasoning is incorrect. Use an example.

Mathematics
1 answer:
Elena-2011 [213]2 years ago
4 0

Answer:

Well, there can be negative numbers added to their positive opposite.

Step-by-step explanation:

For example, -3 + 3 = 0

or you could 0 + 0 = 0

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3 sin^{2} x +cos 2x= (5/4)<br>answer in radians
Vera_Pavlovna [14]

Answer:

I believe it's 0.540717

Step-by-step explanation:

3(sin(2))x+(cos(2))(x)=5/4

Simplify: 2.311745x=5/4

Divide: 2.311745x/2.311735=5/4/2.311745

x=0.540717

6 0
3 years ago
The rational number -21/28 in standard form is<br> a) -3/4<br> b) 3/4<br> c) 3/7<br> d)-3/7
Savatey [412]
Answer:
-3/4

Explanation:
-21 and 28 are both multiples of 7. Divide the numerator and denominator by 7 to simplify it.

-21/28
= -3/4

I hope this helps!
5 0
3 years ago
Which could be used to solve this equation? 3 1/5 +n =9
MaRussiya [10]

Answer:

A

Step-by-step explanation

You need to subtract the 3 1/5 from both sides, which gives you 29/5

7 0
3 years ago
Find the value of x and the lengths of the diagnose JL=2x +10 KM =9x - 39
Tamiku [17]

Answer:

use code Lazarbeam

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
What is the solution to the equation A/2= -5
murzikaleks [220]

Answer:

A = -10

Step-by-step explanation:

A/2 = -5

Multiply both sides by the denominator of the fraction

We have A/2 x2 = -5 x 2

A = -10

3 0
3 years ago
Read 2 more answers
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