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ch4aika [34]
4 years ago
6

Help maybe please **ANSWER QUICK PLEASE*

Mathematics
1 answer:
dalvyx [7]4 years ago
6 0

Answer:

The answer is B

You multiply each number in the matrix by -3

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PLEASE HELP ME WITH THIS !!
Firdavs [7]

Answer:

i have no idea

Step-by-step explanation:

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3 0
3 years ago
What is the molarity of a solution
Vika [28.1K]

Answer:

0.670. M

Step-by-step explanation:

Molarity can be expressed like this:

molarity =  number of moles /volume (L)

We know the volume, which is  2.37 L , but we need to find the number of moles. We can do this by dividing  67.3 g  by the molar mass of  L i C l :

number of moles  = mass of sample /molar mass

number of moles  =  67.3 g /(6.94 + 35.45) g/mol  = 67.3 g /42.39 g/mol

number of moles = 1.59 mol

molarity = 1.59 mol /2.37 L =  0.670. M

7 0
3 years ago
My home work says to solve this 9 3 2 1 =1
Norma-Jean [14]
9 divided by 3 is 3

3 minus 2 is 1

1 divides by 1 is 1


9/3=3
3-2=1
1/1=1


I hope this helped
7 0
3 years ago
Read 2 more answers
Besides knowing every corresponding side and angle of one triangle is congruent to another, how could you prove that two triangl
Citrus2011 [14]

Step-by-step explanation:

Congruent means the same. You can prove that the two triangles are congruent by the measurements and also if they look the same. You can also see if parallelograms are congruent by seeing if they are the same. They also have to mirror the image of the other. Your welcome :)

7 0
3 years ago
Which of the following expressions is equivalent to 15x+y−x−10y?
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14x-9y is the answer
6 0
2 years ago
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