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bija089 [108]
3 years ago
8

Which of the following is not an empirical formula? O C8H10N402 O C3H8 OMg3N2 O H2O

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0

Answer:

d..

Step-by-step explanation:

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10 = 7 - m*<br> It says solve &amp; check solution. Can someone help asap
Stels [109]

Answer:

see explanation

Step-by-step explanation:

Given

10 = 7 - m ( subtract 3 from both sides )

3 = - m ( multiply both sides by - 1 )

- 3 = m , or

m = - 3

As a check

Substitute m = - 3 into the right side of the equation and if equal to the left side then it is the solution

7 - m = 7 - (- 3) = 7 + 3 = 10 = left side

Thus m = - 3 is the solution to the equation

7 0
3 years ago
11. What's the perimeter of a regular heptagon if one side measures 3 inches?
NemiM [27]
When a polygon is regular, that means that all of its sides are the same length and all of its angles are the same. A heptagon has seven sides and you know that all of them measure 3 inches. You can find the perimeter by adding all of the side measures together, so 3 + 3 + 3 + 3 + 3 + 3 + 3, or 3 x 7. So, the perimeter of the heptagon is 21 inches.
7 0
3 years ago
Tomas learned that the product of the polynomials (a + b)(a2 – ab + b2) was a special pattern that would result in a sum of cube
lana66690 [7]
<span>if a = 2x and b = 1

(2x)</span>³+1³ = (2x+1)(4x²-2x+1)

I hope this helps
6 0
3 years ago
Read 2 more answers
Factor the following:<br><br> x2−6x+5
lukranit [14]

Answer:

the 6x element as there is no solution in integers.

Step-by-step explanation:

8 0
3 years ago
2z + 4x + 9y -y + 3
kotegsom [21]

Answer:

Step-by-step explanation:

2z+4x+9y-y+3

2z+4x+8y+3

=2z+4x+8y+3

8 0
3 years ago
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