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Elina [12.6K]
4 years ago
13

Write an algebraic expression for the following phrase 3 more than twice a number

Mathematics
2 answers:
Digiron [165]4 years ago
8 0
X being the 'number'

2x + 3
EastWind [94]4 years ago
7 0

Answer:

2 x + 3

Step-by-step explanation:

3 more than twice a number

we have to write above equation in the form of algebraic expression

An algebraic expression is a combination of constant or variables by using suitable operators.

Let the Number be x

Twice a number i.e, we have to multiply the number by 2= 2 x

3 more i.e, we have to add 3 to above algebraic expression = 2 x+ 3

Hence, the above algebraic expression can be written as 2 x +3

Hence, the correct answer is 2 x + 3

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Mr. Brown is splitting his students into groups to give presentations about novels they read. He wants each group to have 4 stud
Andrei [34K]

Mr. Brown can make fewer than 6 full groups to give presentations.

<h3>Inequality</h3>

Inequality is an expression used to show the non equal comparison of two or more numbers and variables.

Let x represent how many full groups Mr. Brown can make.

He wants each group to have 4 students. There are fewer than 24 students in class today, hence:

  • 4x < 24
  • x < 6

Mr. Brown can make fewer than 6 full groups to give presentations.

Find out more on inequality at: brainly.com/question/11613554

5 0
3 years ago
36.  
Burka [1]
Area 1st rectangle = 10 * 7 = 70 cm^2
length of 2nd rectangle is 2*7 = 14 cm

Area 2nd = 10 * 14 = 140 cm^2

140/70 = 2

The 2nd triangle was twice as big as the 1st.  Answer A
5 0
4 years ago
Construct an equilateral triangle of side 7cm and construct circumcircle.
zalisa [80]

Answer:

To do this, all you need is to draw triangle with each side being 7 cm, and a circle that intersects all three of its corners.

Step-by-step explanation:

  1. With a ruler and a pencil, draw a 7cm line.
  2. With a compass set to a radius of 7cm draw an arc centered around the right end of the line.
  3. With the same compass, still at 7cm, draw an arc centered around the left end of the line.
  4. These two arcs will intersect on either side of the line (you only need one side, so you only need a small arc in the right place, roughly where you think the third point if the triangle is.
  5. Where those arcs intersect is the third point on your triangle.  Mark that, and then trace two lines from that point to either end of the line segment you started with.

<em>You now have an equilateral triangle with 7cm sides.  Next you need to draw the circle</em>

  1. Measure the halfway point on two of your three lines.
  2. Draw a line from that each of those halfway points to the opposite corner. The new lines you're drawing will be perpendicular to the edge your measuring against.
  3. You have now drawn two line segments, and they intersect in the center of the circle.  Now take your compass and set its radius to the distance from that center point to one of the three corner points.
  4. Centered on that middle point, trace a circle with the selected radius.

And you're done!

6 0
3 years ago
HELP WILL GIVE BRAINLIEST
CaHeK987 [17]

Answer:

I = 575.0, .08, 3.0

I= 138, i think

Step-by-step explanation:

4 0
3 years ago
When multiplying a negative times a positive your answer should be what
BARSIC [14]
The answer should be a negative.
6 0
4 years ago
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