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N76 [4]
3 years ago
10

Show all work!!!!! brainleist will be given!

Mathematics
1 answer:
Gala2k [10]3 years ago
4 0

Answer:

+30

Step-by-step explanation:

1255- 1075 = 180

180 /6 = 30

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Tell which rule applies to each expression
tankabanditka [31]

Answer:

1. Product

2. Power

3. Quotient

Step-by-step explanation:

1. It is multiplying.

2. Honestly it’s really distribution, but process of elimination it’s power because…

3. Is division.

I hope this helps, good luck! :)

7 0
2 years ago
Read 2 more answers
What value of b will cause the system to have an infinite
m_a_m_a [10]

Answer:

b=6

Step-by-step explanation:

<u><em>The correct question is</em></u>

What value of b will cause the system to have an infinite number of solutions?

y = 6x – b

–3x + 1/2y = –3

we have

y=6x-b ----->equation A

-3x+\frac{1}{2}y=-3 -----> equation B

we know that

If the system has infinite number of solutions then, the equation A must be equal to the equation B

so

isolate variable y in the equation B

-3x+\frac{1}{2}y=-3

Multiply by 2 both sides

-6x+y=-6

y=6x-6 -------> new equation B

To find out the value of b, equate equation A and equation B

6x-b=6x-6

b=6

4 0
2 years ago
Simplify (6x^2 - 3 - 5x^3) - (4x^3 +2x^2 - 8)
yanalaym [24]

Answer:

-9x^3+4x^2+5

Step-by-step explanation:

(6x^2 - 3 - 5x^3) - (4x^3 +2x^2 - 8)

distribute the minus sign

(6x^2 - 3 - 5x^3) - 4x^3 -2x^2 + 8

Combine like terms

-5x^3 -4x^3 +6x^2 - 2x^2 -3 +8

-9x^3+4x^2+5

6 0
3 years ago
What is the volume of this sphere?
Inga [223]

Answer:

V=2143.57\ mm^3

Step-by-step explanation:

Given that,

The radius of the sphere, r = 8 mm

We need to find the volume of the sphere. The formula for the volume of a sphere is given by :

V=\dfrac{4}{3}\pi r^3

Put all the values,

V=\dfrac{4}{3}\times 3.14\times 8^3\\\\=2143.57\ mm^3

So, the volume of the sphere is equal to 2143.57\ mm^3.

6 0
2 years ago
F(x) = -2x, x&lt;2<br> x2 - 4x + 1, x&gt;2<br> 4
Sidana [21]

Answer:

Step-by-step explanation:

..

4 0
3 years ago
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