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3 years ago

I need the help as soon as possible

Mathematics

2 answers:

svlad2 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

if at 8a.m the temperature was at -7degrees and by noon the temperature increased by 7 all you need to do is add 7 to -7 which cancels out to give you 0.

Minchanka [31]3 years ago

7 0

Answer:

a is true

Step-by-step explanation:

its because 7+(-7) =0 so a is correct

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What is <br><br>-7x3(4+-5)=

nlexa [21]

$\text{Hey there!}$

$\bf{-7\times(4+(-5))}$

$\bf{First, you\ need\ to\ do \ is\ PEMDAS}\\\\\\\text{Parentheses, Exponents, Multiplication, Division,Addition\ \& Subtraction}$

$\bf{ -7\times3(4+(-5))}\\\bf{-7\times3=-21}\\\bf{-21(4+(-5))}\\\bf{4+(-5)= -1}\\\bf{-21\times-1=21}\\\\\boxed{\boxed{\bf{Answer: 21}}}\checkmark$

$\text{Good luck on your assignment and enjoy your day!}\\\\\\\frak{LoveYourselfFirst:)}$

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lana66690 [7]

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Step-by-step explanation:

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Read 2 more answers

In a typical stoichiometric problem, the given quantity is first converted to______. Then the ____ ratio from the balanced equat

ryzh [129]

Answer:

The correct answer is

moles

mole

moles

Step-by-step explanation:

In a typical stoichiometric problem, the given quantity is first converted to moles. Then the mole ratio from the balanced equation is used to calculate the moles of the wanted substance. Finally, the moles are converted to any other unit of measurement related to the unit mole.

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