문자와 식 전체 문제

In the following exercises, find the multiplicative inverse.

$-\frac{4}{9}$

In the following exercises, simplify.

$83\cdot 0$

In the following exercises, simplify.

$\frac{0}{9}$

In the following exercises, simplify.

$\frac{5}{0}$

In the following exercises, simplify.

$0\div \frac{2}{3}$

In the following exercises, simplify.

$43+39+(-43)$

In the following exercises, simplify.

$(n+6.75)+0.25$

In the following exercises, simplify.

$\frac{5}{13}\cdot 57\cdot \frac{13}{5}$

In the following exercises, simplify.

$\frac{1}{6}\cdot 17\cdot 12$

In the following exercises, simplify.

$\frac{2}{3}\cdot 28\cdot \frac{3}{7}$

In the following exercises, simplify.

$9(6x-11)+15$

Shamu weighs $4.5$ tons. Convert the weight to pounds.

In the following exercises, convert between U.S. units. Round to the nearest tenth.

How many tablespoons are in a quart?

Naomi’s baby weighed $5$ pounds $14$ ounces at birth. Convert the weight to ounces.

Trinh needs $30$ cups of paint for her class art project. Convert the volume to gallons.

John caught $4$ lobsters. The weights of the lobsters were $1$ pound $9$ ounces, $1$ pound $12$ ounces, $4$ pounds $2$ ounces, and $2$ pounds $15$ ounces. What was the total weight of the lobsters?

Dalila wants to make pillow covers. Each cover takes $30$ inches of fabric. How many yards and inches of fabric does she need for $4$ pillow covers?

One cup of yogurt contains $488$ milligrams of calcium. Convert this to grams.

One cup of yogurt contains $13$ grams of protein. Convert this to milligrams.

Sergio weighed $2.9$ kilograms at birth. Convert this to grams.