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Eva8 [605]
4 years ago
7

7x=42

Mathematics
1 answer:
ICE Princess25 [194]4 years ago
6 0
Division property of equality since you have to divide both sides by 7 to find x

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Uno de los dos ángulos suplementarios es diecisiete veces más grande que el otro.
inna [77]

Answer:

Verdadero

Step-by-step explanation:

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3 years ago
What is the area in square centimeters in trapezoide
maria [59]
\bf \textit{area of a trapezoid}\\\\
A=\cfrac{h(a+b)}{2}~~
\begin{cases}
a,b=\stackrel{bases}{parallel~sides}\\
h=height\\
---------\\
a=8.6\\
b=12.9\\
h=6.4
\end{cases}\implies A=\cfrac{6.4(8.6+12.9)}{2}
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A=\cfrac{6.4(21.5)}{2}
7 0
3 years ago
Does the equation y= 4x +3 show a proportional relationship between x and​ y
maxonik [38]

<u>Answer</u>

yes it does.


<u>Explanation</u>

The equation of a straight line is in the form of Y = mX + c, where m is a constant (the gradient) and c is the y-intercept.

The equation above, y= 4x +3 is the equation of a straight line.

y ∝ x

Introducing the constant of proportionality now become y = 4x. When like this the a line is a straight line from the origin but when we add 3 in the equation we have. Y = 4X + 3.

The equation remains proportional. This time the line passes through the point (0,3).

5 0
3 years ago
What is expanded form
mel-nik [20]
Expanded Form is a way to write numbers by adding the value of its digits. Example: 1,000 + 900 + 50 + 4 = 1,954. Example 1: Write and Read the number 6,174. Standard Form. Word Name.
7 0
3 years ago
Read 2 more answers
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 + 3x - 5= 0
Charra [1.4K]

Answer:

\large\boxed{x\approx-4.19\ \vee\ x\approx1.19}

Step-by-step explanation:

x^2+3x-5=0\qquad\text{add 5 to both sides}\\\\x^2+3x=5\\\\x^2+2(x)(1.5)=5\qquad\text{add}\ 1.5^2=2.25\ \text{to both sides}\\\\x^2+2(x)(1.5)+1.5^2=5+2.25\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\(x+1.5)^2=7.25\Rightarrow x+1.5=\pm\sqrt{7.25}\\\\x+1.5\approx\pm2.69\\\\x+1.5\approx-2.69\ \vee\ x+1.5\approx2.69\qquad\text{subtract 1.5 from both sides}\\\\x\approx-4.19\ \vee\ x\approx1.19

6 0
3 years ago
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