MATHEMATICS MIDDLE SCHOOL

A map has a scale of 1 centimetre to 6 kilometresthe road from ridlington to cambridge measured on the map is 6.6 cm

what is the length in kilometeres

Answers

Answer 1
Answer: the answer is 39.6 because 1 cm=6 km and 6 cm x 6.6 cm= 39.6 km hope i got it right good luck!!                                                                                                                                     sincerely                                                                                                                        TorKent10 

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Help pls 2,4 +0,8=........+1,21=........+1,78=........-5,14=

Answers

Lets write this out:-

2.4 + 0.8 = ________ + 1.21 = ______ + 1.78 = ______ - 5.14 = _____

So to solve d blanks we will do d following:-

2.4 + 0.8 = 3.2

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = ______ + 1.78 = ______ - 5.14 = ____

Now lets solve again:-

3.2 + 1.21 = 4.41 

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = ______ - 5.14 = ____

Now lets solve again:-

4.41 + 1.78 = 6.19

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = 6.19 - 5.14 = ____

Now lets solve again:-

6.19 - 5.14 = 1.05

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = 6.19 - 5.14 = 1.05

So, 2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = 6.19 - 5.14 = 1.05

Hope I helped ya!! xD 

What is the volume of a cone that has a height of 7 mm and a radius of 3 mm?Use 3.14 to approximate pi and express your answer in hundredths.

Answers

So we want to know the volume V of a cone with a height h=7 mm and of radius r=3 mm rounded to the nearest hundreth. We need the formula for the volume of a cone: V=(1/3)*pi*r^2*h. Now we simply input the numbers and get: V=65.94 mm^2 and that is rounded to the first hundreth.

To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle or a square. There are different units for perimeter and area The perimeter has the same units as the length of the sides of rectangle or square whereas the area's unit is squared.

Answers


Every word of that is correct, and well stated.
Do you have a question to ask about it ?

Is this supposed to be a question because it looks like a correct statement

Which two steps should be used first in solving the system of equationsby substitution?
6y - 4x = 22
y + 2x = 9
A. Multiply the first equation by 4 and the second equation by 2.
B. Solve the second equation for y and then substitute this value into the first
equation.
C. Subtract the terms in the second equation from the first equation and then
solve for y.
D. Substitute 9 for y in the first equation and then solve the other equation for x.

Answers

Answer:

The value of x , y  using substitution method is 2 , 5

Step-by-step explanation:

Given as :

The two linear equation as

6 y - 4 x = 22            .......1

y + 2 x = 9                

Let y = 9 - 2 x             .......2

Now, using substitution method

Substitute the value of y from eq 2 into eq 1

i.e 6 × (9 - 2 x) - 4 x = 22

Or, 54 - 12 x - 4 x = 22

Or, 12 x + 4 x = 54 - 22

Or, 16 x = 32

∴  x = (32)/(16)

i.e x = 2

Now, Put the value of x into eq 2

∴ y = 9 - 2 x

So, y = 9 - 2 × 2

Or, y = 9 - 4

i.e y = 5

So, The value of x , y = 2 , 5

Hence, The value of x , y  using substitution method is 2 , 5   Answer

Answer:

first step :  option B

second step :  option D

Step-by-step explanation:

  • first,  Solve the second equation for y and then substitute this value into the first  equation.
  • after this, you will get the value of y then substitute this value in of the equations to get x.
  • so, option B will be the first step to solve and option D is the second step.
  • the other two steps are wrong.
  • this is a standard way to solve any 2 given equations with 2 variables.

A factory robot recently examined some bulbs, of which 2 were flawed and 14 were not. What is the experimental probability that a given bulb will be flawed?

Answers

Answer:

1/8 or 12.5%

Step-by-step explanation:

2 were flawed and 14 were not, so there's a total of 16 bulbs.

The probability that a bulb will be flawed is 2/16 = 1/8, or 12.5%.

Answer:

1/8

Step-by-step explanation:

Which of the following fractions does not name the same point on the number line?a.3/4
b.6/8
c.5/6
d.9/12

Answers

B.6/8 is the correct answer
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