I have a table showing proportional relationships and I don't know how to find ?x 4 10 12
y 6 15 ?

Answers

Answer 1

Answer: The ratio here from X/Y=4/6=10/15=12/?

We can see that the ratio is ⅔

Now let's see, ⅔=12/?
cross multiply to get 36=2?
now divide both sides by 2 to get 18=?

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What is the surface area of a cube with a side of length 14 meters?

Answers

area of a cube=6(side)²
area of a cube=6*(14 m)²=6*196 m²=1176 m²

Answer: 1176 m²

Best Answer 1176m²

SA = 6 × (14)²
SA = 6 × 14×14
SA = 6×14
SA= 84²
which would give you 1176m²

Write 3,604,839,007 in expanded form

Answers

3,000,000,000+600,000,000+4,000,000+800,000+30,000+9,000+7

3,000,000,000+600,000,000+4,000,000+800,000+30,000+9,000+7=3,604,834,007

Can you please help me with this please tell me how you got your anserw click on the pdf

Answers

for irregular shapes, simply cut the shapes into recognizable shapes like square, rectangle, triangle. Solve the area of each shape and add it up to get the total area of the irregular shape.

1) rectangle 1 = 5cm * 3cm = 15cm²
rectangle 2 = 2cm * 4cm = 8cm²
15cm² + 8cm² = 23 cm²

2) rectangle 1 = 9cm * (10cm-6cm) = 9cm * 4cm = 36cm²
rectangle 2 = 6cm * 2cm = 12cm²
36cm² + 12cm² = 48cm²

3) square 1 = (2cm)² = 4cm²
square 2 = (4cm)² = 16cm²
shaded area only. subtraction performed.
16cm² - 4cm² = 12cm²

4) square = (10cm)² = 100cm
triangle = (10cm * 10cm)/2 = 100cm² / 2 = 50cm²
100cm² + 50cm² = 150cm²

5) rectangle 1 = 4mm * 3mm = 12mm²
rectangle 2 = 8mm * 10mm = 80mm²
12mm² + 80mm² = 92mm²

What is 7+x+5-3=16-8
what is x and how did you work it out

Answers

This problem is tough until you clean it up so you can see what's going on.

On the left side, (7 + 5 - 3) = 9 . So the left side is x + 9 .

On the right side, (16 - 8) = 8.

So the equation is really x + 9 = 8

Subtract 9 from each side: x = -1

$7+x+5-3=16-8 \n \n 7 + x + - 5 - 3 = 16 + - 8 \n \n (x) + (7 + 5 + - 3 ) = ( 16 + - 8 ) \n \n x + 9 = 8 \n \n x + 9 - 9 = 8 - 9 \n \n \huge{\boxed{ x = -1}}$