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lutik1710 [3]
3 years ago
9

Simplify -8n - 7(6n - 6)

Mathematics
1 answer:
Olin [163]3 years ago
8 0

Answer:

-50n + 42

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

-8n - 7(6n - 6)

<u>Step 2: Simplify</u>

  1. Distribute -7:                   -8n - 42n + 42
  2. Combine like terms:       -50n + 42
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One number exceeds another number by 11. The sum of the numbers 77. What are the numbers?
monitta
One number (a) exceeds another number (b) by 11 so
a = b+11
a + b = 77

Substitute the equation for a into the second equation
(b+11) + b = 77
multiply each side by 1 to remove parentheses
b + 11 + b = 77
Combine like terms
2b + 11 = 77
Isolate the variable
2b = 77-11
Simplify
2b = 66
Divide by 2
b = 33
Now substitute b back into the initial equation for a
a = (33) + 11
a = 44

Check your work by substituting both values into the second equation
44 + 33 = 77
This is true, so 44 and 33 are solutions
7 0
2 years ago
Y'all I really need help​
natita [175]

Answer:

10

Step-by-step explanation:

8 0
3 years ago
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If an intercepted arc measures 124°, what is the measure of its inscribed angle? the same, 124° twice the measure, 248° half the
kompoz [17]

Answer:

The correct option is C.) half the measure 62°

Step-by-step explanation:

i) Intercepted arc measures 124°

ii) The measure of the inscribed angle will be half of the intercepted arc

  therefore inscribed angle  = 124° / 2 = 62°

iii) Therefore the correct option is C.) half the measure 62°

3 0
3 years ago
Over what interval is the function differentiable? Y=3/2(x-1)
jolli1 [7]

<u>Answer-</u>

<em>The interval where the function is diffrentiable is </em>

[-\infty,1)\ \bigcup\ (1,\infty]

<u>Solution-</u>

The given expression is,

y=\dfrac{3}{2(x-1)}

The function will be differentiable where it is continuous and it will not be differentiable, where the function is not continuous.

The function continuous everywhere except at x = 1, because

\Rightarrow 2(x-1)=0\\\\\Rightarrow x-1=0\\\\\Rightarrow x=1

at x = 1, its limit does not exist.

Therefore, apart from x=1, this function is differentiable everywhere. The interval will be

[-\infty,1)\ \bigcup\ (1,\infty]

3 0
3 years ago
Consider the triangle.
Ghella [55]

Answer:

x=180-68=112

So A and B are not correct.

180-112-27=41

y=41

So, C.

7 0
3 years ago
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