its a true or false question about math

its a true or false question about math

I got a question do how far will navi drive in 3.5 hours at this rate.

2(x + 7) + 3x = 12 (given) 2x + 14 + 3x = 12 (?) 5x + 14 = 12 (simplify) 5x = -2 (subtraction) x = - 2/5 (division) What is the missing reason? A)Addition B)Subtraction C)Reflexive...

Consider five unlabled bottles of the following salts: AgCl, BaCl2, NaCl, CoCl2, and HCl. Identify the compound that can be distinguished by adding 1.0 M Na2SO4 to each of the samples. Please explain...

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math word problem solve

The length of a rectangle yard is 3 more than half the width. Determine the dimensions that will give a total area of 20 m^2

you have to set up the problem your self and solve it

a farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and 29 ducks, he had half as many chickens as ducks left. How many chickens did the farmer have at first. ...

Please show work. Thank you :)

How many distinct arrangements can be made from the letters of STUDENTS

i want to get the answer

An unknown solution is tested as follows: NaCl is added and no precipitate is formed K2SO4 is added and no precipitate is formed. Which of these cations might be present...

percentage

I can do math just graphing i cant but that's all i need help with

Which 1.0 M aqueous solution would produce the most ions? A. HF B. Li2CO3 C. Al(NO3)3 D. KOH ...

I'm developing a game and I need to find the total amount of possible outcomes. I've been trying to figure this out but I can't wrap my head around this. The game is all computer generated...

Thank you

Please help with this math problem. Thank you :)

answer plz