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3 years ago

Use the information given to enter an equation in standard form. PLS I WILL GIVE BRAINLIEST!!

Mathematics

1 answer:

Strike441 [17]3 years ago

7 0

Step-by-step explanation:

Slope of line = (8-3)/(9-8) = 5.

y = 5x + c

When x = 8, y = 3.

=> (3) = 5(8) + c, c = -37

So y = 5x - 37 and Standard form : 5x - y = 37.

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The number of students in Mrs. Patrick's piano class decreased by 15% in 2 years to 17 students. How many students did she have

guapka [62]

Answer:

20 students

Step-by-step explanation:

If the class decreased by 15%, the students that she has now (17) represents a percentaje of:

100% - 15% = 85%

so the 17 students are 85% of what she had:

Students Percentage

17 ⇒ 85%

and we are looking for how many students she had 2 years ago, thus we are looking for the 100% of students (the original number of studens). If we represent this number by x:

Students Percentage

17 ⇒ 85%

x ⇒ 100%

and we solve this problem using the rule of three: multiply the cross quantities on the table( 17 and 100) and then divide by the remaining amount (85):

x = 17*100/85

x = 1700/85

x=20

2 years ago she had 20 students

6 0

4 years ago

How are the solutions to the following two equations related m+5=72 m+72=5

EastWind [94]

To see how they are related, let us solve the two equations.

FIRST EQUATION

$m + 5 = 72$

$\rightarrow \: m = 72 - 5$

$\rightarrow \: m = 67$

SECOND EQUATION

$m + 72 = 5$

$\rightarrow \: m = 5 - 72$

$\rightarrow \: m = - 67$

Hence the solutions to the two equations are ADDITIVE INVERSE of each other.

6 0

4 years ago

Which 3-D object is a polyhedron? A. sphere B. cube C. cone

Levart [38]

Answer:

The answer is A.

Step-by-step explanation:

A polyhedron is a three-dimensional solid made up of polygons. It has flat faces, straight edges, and vertices. For example, a cube, prism, or pyramid are polyhedrons.

7 0

3 years ago

Is 18 a divisor of 6?

Reptile [31]

Yes it is because 18÷6 is 3 and 6×3=18

5 0

3 years ago

A library receives 413 boxes of books and 125 boxes of magazines. There are 18 books in each box of books. How many total books

HACTEHA [7]

Answer: 7434 books

Step-by-step explanation:

413 x 18= 7434