MATHEMATICS MIDDLE SCHOOL

I am thinking of a number.I multiply it by 11 and subtract 78.
I get the same answer if I multiply
by 6 and subtract 8.
What is my number?​

Answers

Answer 1
Answer:

Answer:

-278

Step-by-step explanation:

3 x 11 = 33

33 - 78 = -45

-45 x 6 = -270

-270 - 8 = -278

I think I might of did it wrong.... :C
Answer 2
Answer:

Answer: The number is 14

Step-by-step explanation:

11x - 78 = 6x - 8

11x -6x = -8 + 78

5x = 70

x = 14

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What’s is the value of x?

Answers

The answer is x=22
That’s because below the expression, 115 degrees labels the angle.
The angle with the expression doesn’t seem to be any different than the one below it.
Therefore, you would have to solve this problem to get x: (115/5-5=22)
Feel free to ask questions! Hope this helps. :)

the answer is 12 since the sum of the two angles has to equal 180.

first you do

5x+5+115=180

combine like terms

5x+120=180

subtract 120

5x=60

then divide by 5

x=12

PLEASE HELP ME AGAINThank you!

Please explain how you got the answer to so I can do it bymyself :>
(probably-)

Answers

Answer:

1. is 27/20

2.108/20

3.12/5

4.3

5.5 2/5

Step-by-step explanation:

1. 3/5=12/20 and 3/4=15/20

2.27/20 x 4/1

3.3/5 x 4/1

4.3/4 x 4/1

5.2+3 2/5
1. Is 27/20
2. Is 108/20
3. Is 12/5
4 is 3
4. Is 5 2/5

Explain how you can find the height of a cylinder if you know the diameter and the volume

Answers

Calculate the area of the base of a cylinder, and then divide the volume by it.
Ok so basically the formula of the volume of a cylinder is:
V = Area of base × height of cylinder
V = \pir²h

If we know the diameter, we then know the radius
Radius is half the diameter. 
r = (d)/(2)

We use the given, We plug in the given formula and find the area (since we know the radius)

Volume(given) = Area(found) × Height(unknown)
We divide the volume by the area to find the height.

 
(Volume)/(Area.of.base) = height of prism

This is how we find the unknown height of the prism.

5 times a number increasedby 18 is the same as 36 more
than times 4 times the
number. Find the number.

Answers

Answer:

18

Step-by-step explanation:

Let's make this information into an equation.

We'll use 'x' whenever the problem says "a number".

Equation:

5x + 18 = 36 + 4x

How did I get to this equation?

  • 5 times a number means 5 multiplied by x
  • increased by 18 means to add 18
  • is the same as means equals
  • 36 more than means to add 36
  • 4 times the number means 4 multiplied by x

Now, let's solve.

Solve:

5x + 18 = 36 + 4x

Subtract 18 on both sides:

5x + 18 = 36 + 4x

     -18     -18

5x = 18 + 4x

Subtract 4x on both sides:

5x = 18 + 4x

-4x        -4x

x = 18

Therefore, "the number" is 18.

.A food company randomly selected 60 pistachios from a recent shipment. The company found that 3 pistachios should be discarded. A large bag of pistachios hold about 380 pistachios. Predict how many of the 380 pistachios should be discarded

Answers

We can use ratios to compare these numbers.

60 pistachios:3 discarded
380 pistachios: ? discarded

60 x 6 1/3=380 total
3 x 6 1/3=19 discarded

19 of the 380 pistachios should be discarded. Another way to figure out the solution is by calculating the percentage of discarded pistachios then applying it (60/3 = 5% discarded). 

Left to right place value for each 0 in this number 302016450098570

Answers

1. tens
2.  thousands
3.hundred millions
4.billions
5.hundred trillions

From Left To Right :) i named which column all the 0 are in

BRAINLIEST ANSWER!!!!
The answers are form right to left:

1. Ones
2. Hundred thousand
3. Million
4. Hundred billion
5. Ten trillion


From left to right it's:

1. tens
2.thousands
3.hundred millions
4.billions
5.hundred trillions
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