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rosijanka [135]
3 years ago
14

Work out the value of x

Mathematics
2 answers:
kozerog [31]3 years ago
6 0
The answer would be 35.
Umnica [9.8K]3 years ago
4 0

Answer:

x=35

Step-by-step explanation:

A pentagon's sum of interior angles is 540 degrees.

Now, we can set up an equation.

(4x - 57) + (3x + 15) + 4x + (2x - 3) (3x + 25) = 540

Combine similar terms

16x - 20 = 540

16x = 560

<u>x = 35</u>

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Please help . I’ll mark you as brainliest if correct!
enot [183]

Answer:

\boxed{\ g(x)=\dfrac{1}{4}|x-2|+1 \ }

Step-by-step explanation:

As the graph is passing via (2,1) and (-6,3)

g(x)=\dfrac{1}{4}|x-2|+1

8 0
4 years ago
Write an algebraic expression for:<br><br> The product of 12 and the sum of a number and negative 3
lbvjy [14]

The product of 12 and the sum of a number and negative 3 is 12(x - 3)

<h3>How to represent algebraic expression?</h3>

An algebraic expression is an expression which is made up of variables and constants, along with algebraic operations (addition, subtraction, multiplication etc.).

In other words, an algebraic expression is a mathematical statement that contains a combination of numbers, symbols, variables and mathematical operators.

Therefore, the product of 12 and the sum of a number and negative 3 is as follows:

let

the  number  = x

Hence,

12 × (x + (-3))

12 × (x - 3) = 12(x - 3)

learn more on algebraic expression here: brainly.com/question/13099621

#SPJ1

3 0
2 years ago
Write an equation that is non-proportional.
elena-s [515]

Answer:

y = mx + b. When b ≠ 0, the relationship between x and y is nonproportional.

7 0
3 years ago
explain how you can find the height of a cylinder if you know the diameter and the volume. include an example with your explanat
ZanzabumX [31]
To find the height you need to take the volume, and the radius (halve the diameter to get the radius) and use the same formula that would be to find Volume and when you plug in the volume and radius you take the radius and solve it with the exponent. Then you take the solved radius and you multiply it with 3.14. After that you then divide the volume by the multiplication.
V=(3.14)(r^2)h
Example:
V=87.92m^3
pi=3.14
r=2m
h=?

87.92=(3.14(2)^2)h
87.92=(3.14(4))h
3.14*4=12.56
87.92/12.56=7
h=7m

7 0
3 years ago
Mrs. Duggin walked every day for seven days. If she walked 9/10 of a mile each day for seven days, how many total miles did she
Molodets [167]

Answer:

Mrs. Duggin walked a total of \frac{63}{10} \ miles..

Step-by-step explanation:

Given:

Number of miles walked on each day = \frac{9}{10} \ mile

Number of days she walked = 7

We need to find the Total miles she walked using repeated addition method.

Solution:

Now we know that Repeated Addition means adding each group together and it is also known as Multiplication.

So we can Find Total miles she walked by adding Number of miles walked on each day with number of day times.

OR

we can Find Total miles she walked by Multiplying Number of miles walked on each day with number of days.

framing in equation form we get;

Total miles she walked = \frac{9}{10}+\frac{9}{10}+\frac{9}{10}+\frac{9}{10}+\frac{9}{10}+\frac{9}{10}+\frac{9}{10}= \frac{9+9+9+9+9+9+9}{10} = \frac{63}{10}\ miles

OR

Total miles she walked = \frac{9}{10}\times7= \frac{63}{10} \ miles.

Hence Mrs. Duggin walked a total of \frac{63}{10} \ miles..

4 0
4 years ago
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