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4 years ago

Translate ten times the difference between a number and fifty into a variable expression

Mathematics

1 answer:

aivan3 [116]4 years ago

6 0

Let x represent the unknown number
So the statement in a variable expression is
10 (x - 50)

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What is the value of x

disa [49]

Answer:

x = 15 degrees

Step-by-step explanation:

This is a right angle, since we know that a right angle contains 90 degrees, we can form an equation.

$30+4x=90$

Now, we solve for x.

$-30+30+ 4x = -30+90$

$4x=60$

$\frac{4x}{4}=\frac{90}{4}$

$x=15$

5 0

3 years ago

using a protractor and a ruler draw a right triangle with a side length of 5cm that is beetween the right angle and a 30 degree

Elza [17]

The Triangle will look in this way (Attached image)-

<h3>How do you draw a 30 degree angle with a protractor?</h3>

Step 1: Draw a line segment OQ.

Step 2: Place the center tip of the protractor at point O such that the protractor perfectly aligns with line AQ.

Step 3: Start from 'Q' on the protractor in the anti - clockwise direction and stop at 30. Mark it as point 'P'. If point 'Q' lies to the right of 'O', then start measuring clockwise and stop at 30.

Step 4: Now, place the protector at point Q, mark the point 'P' at 90, such that ∠OQP = 90.

Step 5: Join point 'P' with 'O'. ∠QOP=30° is the required 30 degree angle.

To learn more about triangles from the given link

brainly.com/question/9912231

#SPJ4

3 0

2 years ago

Need help as soon as possible

finlep [7]

Answer: 1. 81 2 83 3 93 4 930 5 012

Step-by-step explanation:

5 0

3 years ago

Which graph best represents the feasibility region for the system shown above? ( pics are in this)

zalisa [80]

Consider the system of inequalities

$\left\{ \begin{array}{l} y\ge 2 \\ x\le 6 \\ y\le 3x+2 \\ y\le -x+10. \end{array}\right.$

1. Plot all lines that are determined by equalities (see attached diagram)

$\left\{ \begin{array}{l} y=2 \text{ (red line)} \\ x= 6 \text{ (blue line)}\\ y=3x+2 \text{ (green line)} \\ y= -x+10 \text{ (orange line)}. \end{array}\right.$

2. Determine which bounded part of the plane you should select:

$y\ge 2$ means that you should take points with y-coordinates greater than or equal to 2 (top part of the coordinate plane that was formed by the red line);
$x\le 6$ means that you should take points with x-coordinates less than or equal to 6 (left part of the coordinate plane that was formed by the blue line);
for $y\le 3x+2$ you can check where the origin is placed. Since $0\le 3\cdot 0+2$ , the origin belongs to the needed part and you have to take the right part of the coordinate plane that was formed by green line.
for $y\le -x+10$ you can check where the origin is placed. Since $0\le -1\cdot 0+10$ , the origin belongs to the needed part and you have to take the bottom part of the coordinate plane that was formed by orange line.