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Volgvan
3 years ago
14

What does ± indicate when its used like 2±1?​

Mathematics
2 answers:
boyakko [2]3 years ago
6 0

Answer:

it is in quadratic equation meaning you use Plus or minus

stira [4]3 years ago
4 0

Answer:

I is both the plus and minus sign so and 2+1 and subtract 2-1 both answers are the answer

Step-by-step explanation:

The plus–minus sign, ±, is a mathematical symbol with multiple meanings. In mathematics, it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction.

The sign may also represent an inclusive range of values that a reading might have.

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Convert r=53sinθ−cosθ to rectangular form.
Helga [31]

Answer:

y = \frac{1}{3} x + \frac{5}{3}

Step-by-step explanation:

r = 5/(3sinθ-cosθ)

multiply both sides by (3sinθ-cosθ):

r(3sinθ-cosθ) = 5

expand:

3rsinθ-rcosθ = 5

replace rsinθ with y and rcosθ with x:

3y-x = 5

add x to both sides:

3y = x + 5

divide both sides by 3:

y = 1/3x + 5/3

: )

3 0
3 years ago
Solve the inequality 12x + 3(x+7) >10x-24
Zarrin [17]

Answer:

x>-9

Step-by-step explanation:

7 0
3 years ago
Plz help me with this
Ber [7]
I don't know what the expanded form is but the word form is two million nine hundred forty seven.
4 0
3 years ago
Read 2 more answers
Simplify the expression<br> -2/3(12c - 9) + 14c
postnew [5]
Greetings!

Simplify the Expression.
=\frac{-2}{3}(12c-9)+14c

Distribute the Parenthesis.
<em>How?</em> <span>Multiply the terms inside the Parenthesis by the term outside of the Parenthesis.
</span>=\frac{-2}{3}*12c-\frac{-2}{3}*9+14c

=\frac{-2}{3}*\frac{12}{1}c-\frac{-2}{3}*\frac{9}{1}+14c


=\frac{-24}{3}c-\frac{-18}{3}+14c

Combine Like Terms.
=\frac{-24}{3}c+\frac{14}{1}c-\frac{-18}{3}

=\frac{18}{3}c-\frac{-18}{3}

Reduce to Lowest Terms.
=6c-6

The Answer Is:
\left[\begin{array}{ccc}=6c-6\end{array}\right]

Hope this helps.
-Benjamin
7 0
3 years ago
What is the answer to this?
Jlenok [28]

Answer:

true

Step-by-step explanation:

5(1+2x)= 5 +10x =10x + 5

6 0
3 years ago
Read 2 more answers
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