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3 years ago

Find the difference. 4 and two-fifths minus 1 and seven-tenths equals what number?

2 answers:

7 0

It is 2 and seven- tenths because you have to turn two-fifths into tenths to match 1 and seven-tenths so then you have 4 4/10 - 1 7/10 you have to regroup so you take 1 whole out of the 4 while equals 10 so you have 3 14/10. Then you can subtract 3 14/10 - 1 7/10 and get 2 7/10. Hope this helps:)

Varvara68 [4.7K]3 years ago

3 0

Answer:

I believe it's B or C.

You might be interested in

For the polyhedron, use Euler's Formula to find the missing number.

disa [49]

If the number of the edges of the polyhedron is 14 and the vertices are 9. Then the number of the faces of the polyhedron is 7.

<h3>What is a polyhedron?</h3>

A polyhedron is a solid made composed of polygons in three dimensions. It has vertices, flat faces, and straight edges.

We know the Euler's formula

F + V - E = 2,

where, F = number of faces, V = number of vertices, and E = number of edges

Edges: 14

Vertices: 9

F + 9 - 14 = 2

F = 14 + 2 - 9

F = 16 - 9

F = 7

Then the number of the faces of the polyhedron is 7.

More about the polyhedron link is given below.

brainly.com/question/2321456

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3 0

2 years ago

On a map, 1 inch equals 7.4 miles. Two houses are 1.5 inches apart on the map.

Art [367]

Answer:

half of 7.4 is 3.7 so the houses are 3.7 miles apart.

8 0

3 years ago

Al lives 30 mi. from Ann. At the same time, they start biking toward each other on the same road. Al’s constant rate is 12 mph.

dolphi86 [110]

C. 1.5 hours. divide 12 by 8, and you get 1.5.

4 0

3 years ago

Which of the following situations would best be modeled by a discrete relationship? a. A teacher counts the number of students i

Nata [24]

Answer:

Option d is correct.

Step-by-step explanation:

Discrete values are those which take an integer value not in fraction.

Option A is discrete because there will be certain number of students in class say 20 or 30

We can not have 20.5 students

Therefore, option a is correct.

Option B is not discrete because many people can have age say 65 and a half years and weight can be in decimals say 50.5 kgs.

Option C is correct because he is saving a proper integer number of money.

Therefore, option d is correct that is both A and C are correct.

4 0

3 years ago

Lakelyn is training for a triathlon she is practising her swiming running and biking skills so far she can swim at a rate of 250

Nezavi [6.7K]

Answer:

The answer to the question is

It would take Lalelyn bout 3 hours to run the 18m miles, and it will take her

$\frac{x}{1.7} +\frac{y}{6} +\frac{z}{12} = t$ and x +y+z =18 where x, y, and z are the distannce covered swimming, running and bikinr respectifully

Step-by-step explanation:

To solve the question, we lisrt out the variables as follows

Swimming speed of Lakelyn = 250 yards every 5 minutes or 250×12 = 3000 yards/hour = 1.7 miles/hr

Running speed of Lakelyn = 6 miles/hour

Biking speed = 12 miles/hour

The duration it will take for Lakelyn to run 18 miles is given by

Timee taken to run 18 miles t = (Distance covered)/ (Speed of Lakelyn))

or t = D/S

Substituting the known values of such as

Running speed of Lakelyn = 6 miles/hour

From which we have the time taken to run 18 miles = 18 miles /(6 miles/hour) = 3 hours

should the 18 miles form part of the triathlon then, we have

$\frac{x}{1.7} +\frac{y}{6} +\frac{z}{12} = t$ and x +y+z =18

Where x, y and z are the distance covered Swimming, Running and Biking respectively

4 0

3 years ago

Read 2 more answers