MATHEMATICS MIDDLE SCHOOL

What do you call two ratios that have the same value

Answers

Answer 1
Answer: equivalent ratios
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Answer 2
Answer:

Hello friends,

Two ratios of the same value are called equivalent ratios.

Achievements.

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The product of two consecutive integers is 5 more than three time the larger. What are the integers?

Answers

When calculating consecutive integers, the smaller number is x and the larger number is (x + 1).
So the equation you can use is x + (x + 1) = 5 + 3(x + 1)
This is because the sum of the consecutive integers are equal to 5 more than 3 times the larger integer.
Now simplify:
x + (x + 1) = 5 + 3(x + 1)
2x + 1 = 5 + 3(x + 1)
2x + 1 = 5 + 3x + 3
2x + 1 = 3x + 8
Now isolate the variable:
2x + 1 = 3x + 8
Subtract 2x from both sides:
1 = x + 8
Subtract 8 from both side:
-7 = x
x = -7
So the smaller number is -7 and the larger number is -6.

Now check your answer:
-7 + (-7 + 1) = 5 + 3(-7 + 1)
-7 + (-6) = 5 + 3(-7 + 1)
-7 + (-6) = 5 + 3(-7 + 1)
-7 - 6 = 5 + 3(-7 + 1)
-13 = 5 + 3(-7 + 1)
-13 = 5 + 3(-6)
-13 = 5 + (-18)
-13 = 5 - 18
-13 = -13
This works!

So the integers are -7 and -6.

Find the missing coefficient. -___________ y2 − [-5y − y(-7y − 9)] − [-y (15y + 4)] = 0

Answers

Answer:

Missing Coefficient is -8

Step-by-step explanation:

We are given, _y² - [ -5y - y( -7y -9) ] - [ -y(15y + 4) ] = 0

We have to find missing value.

let missing value be a

ay² - [ -5y - y( -7y - 9) ] - [ -y(15y + 4) ] = 0

ay² - [ -5y + 7y² + 9y ] - [ -15y² - 4y ] = 0

ay² - [ 7y² + 4y ] + 15y² + 4y = 0

ay² - 7y² - 4y + 15y² + 4y = 0

ay² - 7y² + 15y² + 4y - 4y = 0

( a - 7 + 15 )y² = 0

RHS can be written as

( a - 7 + 15 )y² = 0.y²

Now comparing coefficient of both sides we get,

a - 7 + 15 = 0

a + 8 = 0

a = -8

Therefore, Missing Coefficient is -8
  y = 0 
Hope this helps! (:

What temperature is 10 degrees higher than -22 degree celsius?

Answers


Higher = warmer

Lower = colder

Therefore, what temperature is 10 degrees higher than -22 degrees Celsius is -12 degrees celsius
If the temperature is -22 then you add 10 degrees so the answer is -12. When you add a temperature that is negative, you go up you don't just do -22+10=-32 because that's going down and that's a common mistake!Hope it helps!!!

Find the average of
1.6,0.8,1.2

Answers


Add all three and then divide by the number of varibles which in this case is three. Answer is 1.2
1.2 is the average.I did:1,6+0.8+1.2=3.6. 3.6 divided by 3 is 1.2 hope my answer helped.

There are 27 red or blue marbles in the bag. The number of red marbles is 5 less than 3 times of the blue marbles. How many red marbles are in the bag? How many blue marbles are in the bag?

Answers

Let

x--------> The number of red marbles

y--------> The number of blue marbles


we know that

x+y=27\n x=27-y

equation 1


x=3y-5

equation 2


equate equation 1 and equation 2

27-y=3y-5\n 3y+y=27+5\n 4y=32\n y=8

x=3*8-5\n x=19

therefore


the answer is

The number of red marbles is 19

The number of blue marbles is 8
27=3x-5+x
27+5=4x-5+5
4x=32
4x/4=32/4
x=8
There are 8 blue marbles and 19 red marbles.

Which of the following is true of vertex-edge graphs.(1)They can model real-world problems.
(2)They can all be solved.
(3)Euler paths are the same as Hamilton paths.
(4)All vertices must be used once in Hamilton circuits.

Answers

The answer is 2 they can all be solved

Answer:

2 and 4

Step-by-step explanation:
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