Marco model bridge is 9 centimetres taller than joes model bridge. if Joe's bridge is 31 centimetres tall. write an Equation that could be used to find the height

Answers

Answer 1
Answer: 9 + 31 = x. If Macros bridge is 9 centimeters taller than 31, you just have to do 9 + 31.
Answer 2
Answer: All you need to do is use the formula which is A = b x h. So, to solve, you just need to multiply 9 by 31 and I think that equals x. I'm not going to give you the answer because I want to see if you can solve it out yourself.

Update: I think I did the formula wrong. I think it's the user above who put the correct formula. Yeah, so I think you just add 9 and 31.


Anyways, just add 9 and 31 to get your answer.

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Which of the following expressions represents a number (n) less then 12 ?

How many rows of 6 are in 30

Answers

The answer to this question is there are 5 rows in 30 because 6x5=30 so it would be 5 ROWS. How you get that is you add 6 5 times and then you will get thirty if you do not know your multiplication that is another way of doing it.
6 * 5 = 30  or  5 * 6 = 30There are 5 rows of 6 in 30 the way I got that was by counting by 6's 5 times
I hope this helped

Find the value of x in the triangle, 60°, 60°, 5x​

Answers

The value of x in the expression for the angle of the triangle is 12.

What is the value of x in the triangle?

The figure in the image is a triangle.

From the image:

Angle 1 = 5x

Angle 2 = 60 degrees

Angle 3 = 60 degrees

Note that, the sum of the interior angle of a triangle equals 180 degrees.

To determine the value of x, add the 3 angles and equate to 180 degrees.

Hence:

5x + 60 + 60 = 180

Collect and add like terms:

5x + 120 = 180

Subtract 120 from both sides:
5x + 120 - 120 = 180 - 120

5x = 180 - 120

5x = 60

x = 60/5

x = 12

Therefore, x has a value of 12.

Learn more about sum of angles in a triangle here: brainly.com/question/10242960

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Triangles have well 3 angles, and they all add up to 180. So 180-60-60= 60. This means that 5x=60. So you divide by 5 on each side and get x=12.

What is the fraction for 125%

Answers

1 1/4 is the correct mixed number.
1 and 25/100

or 125/100

just convert to fraction and make a mixed number

Janelle earned 90% on a test and got 63 points. How many total points were possible on the test?

Answers

Ask yourself... 

63 is 90% of what number? 

Convert to math terms: 
is --> = 
of --> * 
what number --> x 

And remember that 90% as a decimal is 0.9 

=========== 

63 = 0.9x 
x = 70

I REALLY REALLY REALLY NEED HELP PLEASEEE
BRAINLIEST+THANKS**********

Answers

Answer:

The correct answer option is D. 0.42.

Step-by-step explanation:

We are given the results of a survey in which people were asked if they prefer reading books or e-books.

We are to find the marginal frequency of the number of people who prefer to read books.

For that, we will divide the total number of people who prefer reading books by the total number of people surveyed.

Marginal frequency = 105/250 = 0.42

I need to know what the sum of 347.89 + 23.52!!!

Answers

Answer:371.41


Step-by-step explanation:

this is because you just need to carry the number over to the next place if the sum of the digits( example 8+9=17) if it is greater than 10

Answer:


371.41


~Courtney