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Anna71 [15]
2 years ago
6

The sum of four and the product of three and a number

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
8 0

Answer:

4 + 3x

Step-by-step explanation:

Sum means adding

Product means multiplication, which is three and a number (let's put x)

This means that 4 plus 3 times x, which is 4 + 3x

GaryK [48]2 years ago
7 0

Answer:

4 + 3x

Step-by-step explanation:

Let the number = x

Product of three and a number = 3*x = 3x

Sum of four and 3x = 4 + 3x

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A city planner is rerouting traffic in order to work on a stretch of road. The equation of the path of the old route can be desc
g100num [7]

Answer:

y - Q = -5/2(x - P)

Step-by-step explanation:

The equation of a line in point slope form is expressed as y - y0 = m(x-x0)

(x0, y0) is the point

m is the slope

Given the equation

y = 2/5x− 4.

Slope m  = 2/5

Slope of the perpendicular line = -1/(2/5) = -5/2

Point;

x0 = P

y0 = Q

Substitute into the formula;

y - y0 = m(x-x0)

y - Q = -5/2(x - P)

This gives the required equation

5 0
2 years ago
Help me to answer this pls​
Butoxors [25]

Problem 1

Draw a straight line and plot X anywhere on it.

Use your compass to trace out a circle with radius 1.5 cm. The circle intersects the line at two points. Let's make Y one of those points.

Also from point X, draw a circle of radius 2.5

This second circle will intersect another circle of radius 3.5 and this third circle is centered at point Z.

Check out the diagram below to see what I mean.

=====================================================

Problem 2

Draw a straight line and plot L anywhere on it.

Adjust your compass to 4 cm in width. Draw a circle around point L.

This circle crosses the line at two spots. Focus on one of those spots and call it M.

Draw another circle centered at point M. Keep the radius at 4 cm.

The two circles intersect at two points. Focus on one of the points and call it N.

The last step is to connect L, M and N to form the equilateral triangle.

See the image below.

=====================================================

Problem 3

I'm not sure how to do this using a compass and straightedge. I used GeoGebra to make the figure below instead. It's a free graphing and geometry program which is very useful. I used the same app to make the drawings for problem 1 and problem 2 earlier.

6 0
2 years ago
What are some Ratios equivalent to 3:12
Liula [17]

Answer:

6:24

1:4

2:8

Step-by-step explanation:

Simplified all the way is 1:4 so just make sure that you multiply the same number by both the numerator and the denominator

4 0
3 years ago
Read 2 more answers
Which of the following is equal to 7 1/3?<br> will give brainlist
Anestetic [448]

Step-by-step explanation:

c is the correct answer

7 0
3 years ago
In the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In th
KatRina [158]

This question is incomplete

Complete Question

In the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In the second half, the player scored the same number of 3-point shots as the number of 2-point shots scored in the first half. Which expression represents the total number of points the player scored in the game?

a) 2x + 3x + 9

b) 2x + 3 + 9

c) 2x + 3x + 9x

d) 2 + 3x + 9

Answer:

a) 2x + 3x + 9

Step-by-step explanation:

Let the number of points shots a player scores = x

In a free throw, the player scored 9 points = 9

The player also scored a number of 2-point shots = 2x

In the second half, the player scored the same number of 3-point shots as the number of 2-point shots scored in the first half = 3x

The expression represents the total number of points the player scored in the game =

2x + 3x + 9

4 0
2 years ago
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