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1 year ago

Which statement is true about the equations -3x + 4y = 12 and #x - 4y = 1?

Mathematics

1 answer:

Amanda [17]1 year ago

3 0

Answer:

i think its the first one

Step-by-step explanation:

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How to calculate rational numbers

Anuta_ua [19.1K]

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Hi my lil bunny!

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The simplest method to find a rational number between two rational numbers x and y is to divide their sum by 2.

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Have a great day/night!

❀*May*❀

8 0

2 years ago

This is Science I could not pick...

andrew-mc [135]

Answer:

Oils

Step-by-step explanation:

8 0

1 year ago

A sphere is just enclosed inside a right circular cylinder. If the volume of the sphere is 140 cm3, find the volume of the gap b

alexgriva [62]

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Find Radius :
-----------------------------------------------------------
$\text {Volume of a sphere =} \dfrac{4}{3} \pi r^3$

$\dfrac{4}{3} \pi r^3 = 140$

$\pi r^3 = 140 \times \dfrac{3}{4}$

$\pi r^3 = 105$

$r^3 = \dfrac{105}{ \pi}$

$r = 3.22 \ cm$

-----------------------------------------------------------
Find volume of the cylinder :
-----------------------------------------------------------
$\text {Volume of the cylinder = } \pi r^2h$

$\text {Volume of the cylinder = } \pi ((3.22)^2(3.22 \times 2)$

$\text {Volume of the cylinder = } 209.77 \ cm^3$

-----------------------------------------------------------
Find volume of the gap :
-----------------------------------------------------------
$\text {Volume of gap = } 209.77 - 140$

$\text {Volume of gap = } 69.77 \ cm^3$

-----------------------------------------------------------
$\bf \text {Answer : } 69.77 \cm^3$
-----------------------------------------------------------

6 0

3 years ago

16 2/3 percent of what number is 72

MArishka [77]

The answer is about 432.178

6 0

3 years ago

Word phrase to represent 5x+2

notsponge [240]

Five times the number x plus two

7 0

3 years ago

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