3 years ago

PLEASE HELP ME PLS I NEED IT

Mathematics

1 answer:

SOVA2 [1]3 years ago

6 0

Answer:

X=17.9

Step-by-step explanation:

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What is the area of a rectangle with vertices

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Area = 20 units²

Step-by-step explanation:

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2 years ago

Mr. Rich had 2 times more cars than motorcycles in his garage. After he bought 1 more car and sold 2 motorcycles, there were 3 t

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Answer:

After the sale there were 15 cars and 5 motorcycles

Step-by-step explanation:

c=cars originally

m=motorcycles originally

c=2m (2 times the cars than motorcycles)

(c+1) bought 1 car after sale

sold 1 motor cycle (m-2) after sale

(c+1) = 3(m-2) (3 times more cars than motorcycles)

(c+1) = 3(m-2)

distribute

c+1 = 3m-6

substitute c =2m

2m +1 = 3m-6

subtract 2m from each side

2m+1-2m = 3m-6-2m

1 = m-6

add 6 to each side

1+6 = m-6+6

m=7

c = 2m

c = 2(7) =14

c=14

Originally there were 7 motorcycles and 14 cars

After the sale c+1 = 15, m-2 = 5

there were 15 cars and 5 motorcycles

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3 years ago

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A school wants 2 chaperones for every 25 students. There are 100 students going on the field trip. How many chaperones does the

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What is the estimate height of 129.3

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129 .................

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2 years ago

(-2,-1) (1,-1) find the distance between two points

Daniel [21]

Answer:

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\\text{Use the formula:}\\\\d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\\text{Substitute the coordinates of the give points:}\\\\d=\sqrt{(1-(-2))^2+(-1-(-1))^2}=\sqrt{(1+2)^2+(-1+1)^2}\\\\=\sqrt{3^2+0^2}=\sqrt9=3$

$\bold{METHOD\ 2:}\\\\\text{We can see that the second coordinates of the points (ordinate) are the same.}\\\text{Therefore, the distance between these points is equal to the distance}\\\text{ between the first coordinates (abscissa).}\\\\d=|1-(-2)|=|1+2|=|3|=3$

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4 years ago