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3 years ago

9

What is the number name of (i)46,25,689and (ii)658,902,250

1 answer:

Solnce55 [7]3 years ago

5 0

Answer:

forty six hundred thousand tweny five thound and six hundred eighty nine

six hundred and fifty eight hundred nine thoundsand two and two hundred and fifty

Step-by-step explanation:

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Find the difference and reduce to the lowest terms 12 4/9 - 8 5/6 =

butalik [34]

Answer: $3\frac{11}{18}$

<u>Turn 12 4/9 into an Improper Fraction</u>

Multiply $12*9$ and get $108$ . Now add $4$ and get $112$ .

$12\frac{4}{9} =\frac{112}{9}$

<u>Turn 8 5/6 into an Improper Fraction</u>

Multiply $8*6$ and get $48$ . Now add $5$ and get $53$ .

$8\frac{5}{6} =53/6$

<u>Find Common Denominator</u>

$9: 9,18,27,36,45\\6: 6,12,18,24,30\\\CD=18$

Your new problem: $\frac{112}{18}-\frac{53}{18}$

<u>Subtract</u>

<u></u> $\frac{112}{18}-\frac{53}{18}=\frac{65}{18}$ <u></u>

<u></u>

<u>Simplify</u>

<u></u> $\frac{65}{18} =3\frac{11}{18}$ <u></u>

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What is the answer to this question algbra

navik [9.2K]

Answer:photo math

Step-by-step explanation:

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Why is -a² is always negative (a ≠ 0) and why is (-a)² is always positive?

hjlf

$-a^2=(-1)\cdot a\cdot a$

Regardless of the sign of $a$ , we have $a\cdot a=a^2\ge0$ (never negative). But multiplying by -1 makes it negative.

On the other hand,

$(-a)^2=((-1)\cdot a)^2=(-1)^2\cdot a^2=1\cdot a^2=a^2$

which can never be negative for real $a$ .

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Step-by-step explanation:

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Use trig ratios to find unknown sides in right triangles.

Step-by-step explanation:

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