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a_sh-v [17]
4 years ago
13

Select several fractions between 0 and 1. Find the value of each fraction after it is raised to the -1 power. Explain the relati

onship between the -1 power and the original fraction.
Mathematics
1 answer:
aksik [14]4 years ago
6 0

Answer:

see the explanation

Step-by-step explanation:

we know that

if you have a fraction that is raised to a negative exponent, simply flip the fraction to write a positive exponent

so

(\frac{a}{b})^{-x} =(\frac{b}{a})^{x}

If the exponent is -1

then

(\frac{a}{b})^{-1} =(\frac{b}{a})^{1}=\frac{b}{a} ----> is the reciprocal of the original fraction

<em>Examples</em>

\frac{3}{8}

(\frac{3}{8})^{-1} =\frac{8}{3}

\frac{1}{4}

(\frac{1}{4})^{-1} =\frac{4}{1}=4

\frac{1}{6}

(\frac{1}{6})^{-1} =\frac{6}{1}=6

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Homework - Pure Year 1 - Chapter 11B
ycow [4]

Answer:

|F net| = 20.22 N

θ ≈ 19.8°

Step-by-step explanation:

F net = 15N i + 8cos(60°)N i + 8sin(60°)N j

= 15N i + 8×½N i + 8×√3/2N j

= 15N i + 4N i + 4√3N j

= 19N i + 4√3N j

|F net| = √(19²+(4√3)²) = √(361+48) = √409 ≈ 20.22N

tan(θ) = 4√3 ÷ 19 ≈ 0.36 → θ ≈ arctan(0.36) = 19.8°

5 0
2 years ago
Factor completely x2 - 16y2
Y_Kistochka [10]

Answer:

(x+4y)(x-4y)

Step-by-step explanation:

Since

\large a^2-b^2=(a+b)(a-b)

we can see that

\large x^2-16y^2=(x+4y)(x-4y)

3 0
3 years ago
Beatrice makes a jar of dry soup mix. The ingredients are:
DedPeter [7]
Associate property

It’s right
5 0
3 years ago
Read 2 more answers
How do I divide whole numbers by fraction? (Ex: 12 ÷ 1⁄2)
Readme [11.4K]
That would be 6 just put the the whole number over one and keep flip change
7 0
3 years ago
Read 2 more answers
How can I solve ¾ - (-5/12)?
Oksana_A [137]

Answer:

1 \frac{1}{6}

Step-by-step explanation:

\frac{3}{4}+ \frac{5}{12} =?\\

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

(\frac{3}{4} × \frac{3}{3} ) + (\frac{5}{12} ×\frac{1}{1})=?

Complete the multiplication and the equation becomes

\frac{9}{12} + \frac{5}{12}

The two fractions now have like denominators so you can add the numerators.

\frac{9+5}{12} = \frac{14}{12}

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 14 and 12 using

GCF(14,12) = 2

14÷2 / 12÷2 =7/6

The fraction

7/6

is the same as

7÷6

Convert to a mixed number using

long division for 7 ÷ 6 = 1R1, so

7/6= 1 \frac{1}{6}

Therefore:

3/4 − (−5/12) = 1 \frac{1}{6}

Solution by Formulas

Apply the fractions formula for subtraction, to

3/4 − (−5/12)

and solve

(3×12) − (−5×4) 4×12

=3/6− (−20/48)

=56/48

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF( 56,48) = 8

56÷8 / 48÷8 =7/6

Convert to a mixed number using

long division for 7 ÷ 6 = 1R1, so

7/6= 1 \frac{1}{6}

Therefore:

3/4 − (-5/12) = 1 \frac{1}{6}

8 0
1 year ago
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