Click on the length of the rectangle

Mathematics

1 answer:

umka2103 [35]2 years ago

7 0

Answer:

It's 2 1/4

Step-by-step explanation:

I dont know how to explain this... but I'm 100% positive on the answer so

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Solve 3x+2y=4 4x+3y=7 algebraically

Leona [35]

Step 1. Multiply first equation with -3 and the second one with 2. You'll get:
$\left \{ {{-9x-6y=-12} \atop {8x+6y=14}} \right.$

Step 2. Add both equations together. You'll get:
$-x=2$ , which gives x = -2

Step 3. Replace x = -2 in the first equation and calculate y.
$3(-2)+2y=4\\
y=\frac{4+6}{2}=5$

The solution is: x=-2, y=5

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3 years ago

Solve for x. PLZZZzzzz

choli [55]

Answer:

Actually,there x is qual to ninty minus x because of vertically opposite side...cauce ninty minus x comes in vertical opposite side by dragging the ninty minus x down ...so finally x is equalto ninty minus x and two x is equal to nintynow divide ninty by nine it's your ans.

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3 years ago

WHAT IS THE ANSWER FOR 12 1/3 + 8 3/4 +17 2/8 +23 2/3=

gulaghasi [49]

$12 \dfrac{1}{3} + 8 \dfrac{3}{4} +17 \dfrac{2}{8} +23 \dfrac{2}{3}$

Simplify
$= 12 \dfrac{1}{3} + 8 \dfrac{3}{4} +17 \dfrac{1}{4} +23 \dfrac{2}{3}$

Change the denominators to be the same
$= 12 \dfrac{1 \times 4}{3 \times 4} + 8 \dfrac{3 \times 3}{4 \times 3} +17 \dfrac{1 \times 3 }{4 \times 3} +23 \dfrac{2 \times 4}{3 \times 4}$

$= 12 \dfrac{4}{12} + 8 \dfrac{9}{12} +17 \dfrac{3 }{12} +23 \dfrac{8}{12}$

Combine into single fraction
$= 60 \dfrac{24}{12}$

$= 62$

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2 years ago

The current value of a baseball card is 60 times its original value v

jeka94

60v = $15

60v/60 = $15/60

v = 0.25

The original value of the baseball card is $0.25

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3 years ago

The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π.

Shalnov [3]

615.44 = (3.14)(radius)^2

radius = square-root of (615.44/3.14) 

diameter = radius x 2 

diameter = 28 inches

3.14

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2 years ago