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Karolina [17]
3 years ago
9

Solve using elimination. X + 8y = 3 2x – 4y = -14

Mathematics
1 answer:
enot [183]3 years ago
5 0

Answer:

X+8y=3, 2x-4y=-14

Step-by-step explanation:

Since we do not know the values of x or y we have to leave them the way they are because you can't combine x and y

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Is 100 mm less or greater than 1 dm
kipiarov [429]
1m=10dm=100cm=1,000mm\\\\1dm=10cm=100mm\\\\\boxed{100mm=1dm}
6 0
3 years ago
Which is equivalent to √3/√8 when denominator is "rationalized"?
TEA [102]

Step-by-step explanation:

\dfrac{\sqrt3}{\sqrt8}=\dfrac{\sqrt3\cdot\sqrt2}{\sqrt8\cdot\sqrt2}=\dfrac{\sqrt{3\cdot2}}{\sqrt{8\cdot2}}=\dfrac{\sqrt6}{\sqrt{16}}=\dfrac{\sqrt6}{4}

<h3>Used:</h3>

\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{a}=b\iff b^2=a\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{16}=4\ \text{because}\ 4^2=16

4 0
3 years ago
Which measurements are equivalent to 3 yards
timofeeve [1]

The equivalent measures to 3 yards are;

108 inches and ; 6 ft 36 inches

Here, we want to get the values of the measurements that are equivalent to 3 yards

To do this, we need to know how to convert between the various measure types

We proceed as follows;

Mathematically, 1 yard is 36 inches; also, 1 yard is 3 feet

So, 3 yards is (3*36) = 108 inches

Also, 3 yards is (3*3) = 9 feet

Also, 1 ft is 12 inches;

So, 6 ft 12 inches is 7 feet

108 inches is as seen above, so 3 yards equal this

3 yards is not 108 feet as calculated above

6 ft 36 inches

36 inches is 3 ft; so by addition; 6 ft 36 inches is 9 ft

So, the correct answers here are 108 inches and 6 ft 36 inches

6 0
1 year ago
Anyone know this(the rest of the answer,(2^9)^3/(2^3)^9
Elis [28]

Answer:

2^3

Step-by-step explanation:

(2^3 x 2^6)^1/3

Solve :

(2^3 x 2^6)^1/3

= (2^9)^1/3

=2^3

6 0
3 years ago
Help pleaseeeeeee!!!!!!!
tigry1 [53]

Answer:

a) 100π

Step-by-step explanation:

A = πr²

A = (10²)π

A = 100π

7 0
3 years ago
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