First, change the fractions to a common denominator, which is 21.

so 3/7 * 3/3 = 9/21

1/3 * 7/7 = 7/21

Add the two together

9/21 + 7/21 = 16/21

Then take 21/21 - 16/21 = 5/21

There is 5/21 of the pizza left.

6 0

3 years ago

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Three playing cards are placed in a row, from left to right. Each card is of a

qaws [65]

Answer:

hifgreeg33ctvtvunu

Step-by-step explanation:

highhb tug 5h6g6g5g5g

8 0

3 years ago

The temperature of the air in the afternoon was 4°c, and in the evening -2°

charle [14.2K]

4- -2 = 6 degree change

4 0

3 years ago

During math class, Erik draws a circle with a compass. The circle has a radius of 3 inches. What is the circle's diameter?

sleet_krkn [62]

Answer: 6 inches

Step-by-step explanation:

The diameter is double the radius

3 0

3 years ago

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What is coordinate geometry​

What is coordinate geometry