3 years ago

Work out 4/7 + 2 1/3

Mathematics

1 answer:

motikmotik3 years ago

6 0

It's 61/21. That's the answer.

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Which equation is quadratic in form?

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I think it's the first one... but I'm not pretty sure.

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6/8 is equivalent to 3/4, and 3/4=.75, and .75/100=75 percent. So yes, it is.

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If (-2/15)+(-13/5)=(-13/5)+a/b then a/b is equal to

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The choose C. –2/15

(-2/15) +(-13/5) =(-13/5) +a/b

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3 years ago

Match the set of two interior angle measurements with the third interior angle measurement that can make a triangle.

ioda

Answer:

$40^\circ,50^\circ$ and 90^\circ$

$42^\circ,66^\circ$ and 72^\circ$

$60^\circ,60^\circ$ and 60^\circ$

Step-by-step explanation:

The sum of angles in a triangle is 180 degrees

(a)Given the angles 40° and 50°

The third angle is, therefore: $180^\circ-(40^\circ+50^\circ)=90^\circ$

We, therefore, have the set: $40^\circ,50^\circ$ and 90^\circ$

(b)Given the angles 42° and 66°

The third angle is, therefore: $180^\circ-(42^\circ+66^\circ)=72^\circ$

We, therefore, have the set: $42^\circ,66^\circ$ and 72^\circ$

(c)Given the angles 60° and 60°

The third angle is, therefore: $180^\circ-(60^\circ+60^\circ)=60^\circ$

We, therefore, have the set: $60^\circ,60^\circ$ and 60^\circ$

6 0

2 years ago