2 years ago

PLEASE HELP ME URGENT PLEASE

Mathematics

1 answer:

cupoosta [38]2 years ago

5 0

Answer:

Step-by-step explanation:

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-2 1/8 divided by 1 1/4

attashe74 [19]

Answer:

$-1\frac{7}{10}$

Step-by-step explanation:

Convert the mixed numbers into improper fractions: $\frac{-17}{8}$ ÷ $\frac{5}{4}$
Apply the fractions formula for division: $\frac{-17*4}{8*5} = \frac{-68}{40}$
Simplify: $-1\frac{7}{10}$

6 0

4 years ago

Convert 72°F to °C (to the nearest tenth) using one of the following formulas: F = 9/5xC + 32 or C = (F - 32) x 5/9.

Fudgin [204]

First set up the equation:
$C=(F-32)\times\frac{5}{9}$
Then substitute in known values:
$C=(72-32)\times\frac{5}{9}$
and solve for C
$C=40\times\frac{5}{9}$
$C=22.22$