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Natasha_Volkova [10]
2 years ago
6

Which equations are true?

Mathematics
2 answers:
nadya68 [22]2 years ago
8 0

Answer:

B is correct

Step-by-step explanation:

-(-x) = x, because a double negative like this equals a positive.

Therefore, you are actually saying -x+x= 0 which is true.

dedylja [7]2 years ago
6 0

Answer:

A and B

Step-by-step explanation:

A) Collect like terms

0=0

B) Collect like terms

0=0

A and B both correct

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F(x)=3x2+2x−3 <br><br> g(x)=2x+4
Yakvenalex [24]

Answer:

A: 6

B: 16

C: 2

D: -12

Step-by-step explanation:

They are asking you to multiply the equations:

(3x^2 + 2x - 3)(2x + 4)

Distribute and you should get:

6x^3 + 16x^2 + 2x - 12

The Coefficients A,B,C, and D are 6, 16, 2, and -12.

3 0
3 years ago
Find the value of x.<br> (3x + 10)<br> 98°
Aleks04 [339]

Answer:

-3

Step-by-step explanation:

(3x + 10)98°

294x+980

294x=-980

X=-980/294

X=-3

So the value of X is -3

5 0
3 years ago
The sum of two numbers is 30. the first number is 1/5 of the second number. what are the numbers?
bonufazy [111]
Same question
x+y=30
x is 1/5 of y
x=y/5
subsitute
y/5+y=30
multily both sidse by 5
y+5y=150
add
6y=150
divide both sides by 6
y=25
subsitute
x=y/5
x=25/5
x=5
the numbers are 5 and 25

6 0
3 years ago
PLS HELP ME ASAP FOR ALL 6! (MUST SHOW WORK!) + LOTS OF POINTS!!
galina1969 [7]
No puedo ayudar srry primo
8 0
3 years ago
Read 2 more answers
Simplify.
otez555 [7]
The answer to the question is C.
6 0
3 years ago
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