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motikmotik
2 years ago
13

Simplify y+1.2y+1.2z​

Mathematics
1 answer:
Arlecino [84]2 years ago
8 0

Answer:

2.2y+1.2z

Step-by-step explanation:

Add y + 1.2y

Now you can't simplify anymore so this is your answer

2.2y+1.2z

You might be interested in
Determine the number of real solutions for the equation: 6x^2+8x=7
densk [106]

Answer:

Step-by-step explanation:

You could factor this to find out how many real roots you have, but it's easier to use the rule of the discriminate.  The discriminate comes from the quadratic formula:

b^2-4ac

Plug in the numbers from the quadratic and see what the value of it is.  If the:

discriminate < 0, you have 2 imaginary roots

discriminate = 0, you have 1 real root, multiplicity 2 and

discriminate > 0, you have 2 real roots

Our b is 8, our a is 6 and our c is -7 (remember you have to set the polynomial equal to 0 to do this).

8^2-4(6)(-7)=232

Because 232 is > 0, we have 2 real roots.

7 0
3 years ago
Which equation represents a line which is parallel to the line y = -x - 7?
Thepotemich [5.8K]

Answer:

whichever one also says -x

Step-by-step explanation:

parallel lines have the same slope

7 0
3 years ago
A bell tower casts a 60 cm shadow. At the same time a sculpture that is 4.5 meters tall casts a 15 cm shadow. How tall is the be
san4es73 [151]

Answer: 18

Step-by-step explanation:

x/4.5= 60/15

15x=270

X = 18cm

6 0
3 years ago
Please answer this in two minutes
Fantom [35]

Answer:

  x = 30°

Step-by-step explanation:

The arcsin (inverse sine) function can be used. Be sure to set your calculator to degrees mode.

  sin(x) = 1/2

  arcsin(sin(x)) = arcsin(1/2)

  x = arcsin(1/2)

  x = 30°

5 0
3 years ago
Please help thanks :))))
stepan [7]

Answer:

-6

Step-by-step explanation:

1-7(1)=1-7

1-7=-6

You know anything times 1 stays the same there for you just subtract, since it's a positive 1 minus a negative 7 it goes backwards to -6

7 0
2 years ago
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