2 years ago

PLEAsSEEEEEEE I NEEEED IT

Mathematics

2 answers:

NikAS [45]2 years ago

7 0

What??????????????????????

Dvinal [7]2 years ago

7 0

Answer:

Step-by-step explanation:

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Pls answer me this all question

Scorpion4ik [409]

Answer:

a. $5 \frac{21}{40}$

b. $\frac{1}{42}$

Step-by-step explanation:

$a. \: 12 \frac{2}{5} - 6 \frac{7}{8}$

$\frac{62}{5} - \frac{55}{8}$

$\frac{62}{8} \times \frac{8}{8} - \frac{55}{8} \times \frac{5}{5}$

$\frac{62 \times 8 - 55 \times 5}{40}$

$\frac{221}{40}$

$5 \frac{21}{40}$

$b. \: \frac{3}{14} - \frac{4}{21}$

$\frac{3}{14} \times \frac{3}{3} - \frac{4}{21} \times \frac{2}{2}$

$\frac{3 \times 3}{42} - \frac{4 \times 2}{42}$

$\frac{1}{42}$

Hope it is helpful....

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Step-by-step explanation:

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3 years ago

Use the line graph to solve.

Ksenya-84 [330]

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Assume that the mean length of a human pregnancy is 269 days. If 95% of all human pregnancies last between 249 and 289 days, w

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Step-by-step explanation:

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2 years ago

Help me out here please

schepotkina [342]

Answer:

The equation simplified equals to 7

Step-by-step explanation:

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