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belka [17]
3 years ago
14

______ an argument which convinces other people that something is true

Mathematics
2 answers:
Alina [70]3 years ago
8 0

Answer:

Step-by-step explanation:

Effectus [21]3 years ago
3 0

Answer:

<em>hey, it is a mathematical proof.</em>

Step-by-step explanation:

mathematical proof- it is something that shows that you are true and would make your topic way easier.

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A right triangle has sides of length 3, 4, and .
olchik [2.2K]

Answer:

5/hypotenuse, the square root of 7/ leg

Step-by-step explanation:

3^2+4^2=25 or 5^2. you use a^2+b^2=c^2. it would be one of the hypotenuses. If the missing number is a leg, you would do 4^2=3^2+x^2. 16=9+x^2, 7=x^2, so you plug in the numbers differently.

3 0
3 years ago
Read 2 more answers
What number is 10% of 42
vampirchik [111]

Answer:

4.2

Step-by-step explanation:

10% of 42 is 4.2

3 0
3 years ago
Read 2 more answers
Find the value of each missing variable?
LenKa [72]

Step-by-step explanation:

9x - 2 = 5x + 54 because these angles are corresponding

9x - 5x = 54 + 2 add/subtract like terms

4x = 56 and this divided by 4

x = 14

9x - 2 + 10y + 6 = 180° because these two angles makes a straight line

9×14 - 2 + 10y + 6 = 180°

126 - 2 + 10y + 6 = 180° add like terms

130 + 10y = 180° subtract 130 from both sides

10y = 50 divide by 10

y = 10

6 0
3 years ago
A teacher plans to buy the same number of notebooks and rulers for his classroom. Each notebook costs $2 and each ruler costs $1
Paladinen [302]

Answer:

3x=total amount of money, 3x

Step-by-step explanation:

Because the number of notes books is the same (x and x), you can simply add them.

Basically, the equation is 1x+2x= total cost but you can add 1x and 2x because they have the same variable

6 0
3 years ago
Which values of x is the solution set of the inequality 7 (x+1) &gt; -14?
leonid [27]

The solution of given inequality is: x>-3

<em><u>Solution:</u></em>

<em><u>Given inequality is:</u></em>

7(x+1)>-14

We have to find the value of "x"

<em><u>Let us solve the given inequality</u></em>

Divide both sides of inequality by 7

\frac{7\left(x+1\right)}{7}>\frac{-14}{7}\\

<em><u>Simplify the above expression</u></em>

(x+1)>-2

x+1>-2

\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides\: of\: inequality}

x+1-1>-2-1\\\\x>-3

Thus the value of x is x>-3

8 0
3 years ago
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