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elena-14-01-66 [18.8K]
3 years ago
11

Can anyone help me if so Ty no file answers please.

Mathematics
1 answer:
Stells [14]3 years ago
6 0

Answer:

I think the error in Cynthia's answer is when she multiplied

Step-by-step explanation:

-2x(x^2 - 3) here

It should be = -2x^2 + 4x^2 - 2

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Solve -6 4/9-3 2/9-82/9
Gala2k [10]

Answer: The final answer in proper fraction is 169/9

Step-by-step explanation:

Given the expression

-6 4/9-3 2/9-82/9

Firstly let us convert all mixed fraction to proper fraction to further simplify the expression

-58/9 - 29/9 - 82/9

We now have all terms in proper fraction, we can continue by finding the LCM which is 9

= (- 58-29-82)/9

= 169/9

8 0
3 years ago
Please help! What is -9/5 - (-9/5)? A. 0 B.2 C. 18/5 D. -18/5
Pie

Answer:6

Step-by-step explanation:

8 0
3 years ago
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If the base of a Pyramid has an area of 144sq ft And if the slant higher of the pyramid is 10ft what would be the higher of the
pogonyaev

Answer:

the height of the pyramid is 8 ft

Step-by-step explanation:

Considering the base of the pyramid to be square whose area is 144 sq ft

This means the side of the base would be √144 = 12 ft.

Now, if you will imagine a pyramid we can easily observe that

Height(H) , slant height( L=10 ft) and half of the side length( 6ft) make a right angle triangle. We can easily calculate height from Pythagoras theorem as

10^2 = H^2 +6^2

⇒ H^2 = 10^2-6^2 = 100-36 = 64

⇒ H = 8 ft

Therefore, the height of the pyramid is 8 ft

3 0
3 years ago
87 x 230 + 6,754 - 1,093 =
JulsSmile [24]

Answer:

25,671

  1. multiply
  2. add
  3. subtract

I hope this helps

5 0
3 years ago
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Given two points on a line, write the equation of the line in slope intercept form. The points are (-4,10), (6,5). Please show a
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The slope is 1/2.
The y-intercept is 8.

Here is the equation:

y=1/2x+8

I hope this helps c:
6 0
3 years ago
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