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3 years ago

(-30) - (+40) = (-30) + (-40) explain why this is true

Mathematics

2 answers:

Mariana [72]3 years ago

7 0

Answer:

This is true because negative and positive is positive that why there is a addition sign in the middle and positive 40 becomes negative

Step-by-step explanation:

VikaD [51]3 years ago

6 0

You have to distribute the minus sign into the parentheses and you multiply it.

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What is the approximate value of t?

Maslowich

Answer:

8.48

Step-by-step explanation:

36 + 36 = 72

t^2 = 72

t = 6 $\sqrt{2}$ = 8.48

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2 years ago

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Which steps would you use to solve this equation? Check all that apply p + 7 = 12

Neporo4naja [7]

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$\large\blue\textsf{\textbf{\underline{\underline{Question:-}}}}$

Which steps would you use to solve this equation? p+7=12

$\large\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}$

We can solve this equation in one step only, and this is the step:-

Subtract 7 from both sides

p=12-7

p=5

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2 years ago

4 divided by the sum of a number and 12

Rasek [7]

4 / (x+12)

since 4 is divided by the sum 4 would go first ( as you see above) ^^

4÷(x+12)

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3 years ago

Free points: this is because of all the kindness I have seen on brainly:

yarga [219]

Answer:

Step-by-step explanation:

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3 years ago

What is b for this equation 4b+5=1+5b

aleksley [76]

<h3><u>The value of b is equal to 4.</u></h3>

4b + 5 = 1 + 5b

Subtract 4b from both sides.

5 = 1 + b

Subtract 1 from both sides.

4 = b

6 0

3 years ago