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3 years ago

I GIVEEEE BRAINLILSTT

Mathematics

1 answer:

Zigmanuir [339]3 years ago

6 0

Alr bet x + 8 y - 9 :)

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What is the answer to the pic

MA_775_DIABLO [31]

Answer:

$7$

Step-by-step explanation:

$\frac{7^{-1}}{7^{-2}}$

$7^{-1-(-2)}$

$7^{-1+2}$

$7^{1}$

$7$

I used the following rules:

$\frac{a^m}{a^n}=a^{m-n}$

$a^1=a$

$a \neq 0$

6 0

3 years ago

A student uses the Distributive Property to rewrite 18 + 54 . Which expression could the student use?

Setler79 [48]

A(b+c)=a•b+a•c
18=18•1
54=18•3
18(1+3)=18•1+18•3
Good luck

6 0

3 years ago

Please help me 4 2/5 x 3 2/5

icang [17]

Answer: exact form :

374/25

decimal form:

14.96

mixed numbers form:

14/24//25

Step-by-step explanation:

3 0

3 years ago

Can somebody help me out with this Algebra 2 work? If you could that'd be really appreciated!! Good luck!

larisa [96]

Answer:

8 OR -8 OR Both

Step-by-step explanation:

-2 x 4 = -8

-8 x -8 x -8 = -64

Square root = 8 OR -8

1 to the 9th power = 1

-8 / 1 = -8

8/1 = 8

Hope that helps!

6 0

3 years ago

Dale says the ratios 3:5 and 2:10 are equivalent. Is He correct? Explain

Mnenie [13.5K]

Answer:

No, Dale Isn't correct because 3:5 is greater than 2:10

Step-by-step explanation:

3:5 and 2:10 is the same as in $\frac{3}{5}$ and $\frac{2}{10}$

First Find the least common denominator or LCM of the two denominators:

LCM of 5 and 10 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10

For the 1st fraction, since 5 × 2 = 10,

$\frac{3}{5} =\frac{3*2}{5*2} =\frac{6}{10}$

Likewise, for the 2nd fraction, since 10 × 1 = 10,

$\frac{2}{10} =\frac{2*1}{10*1} =\frac{2}{10}$

Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction

$\frac{6}{10} >\frac{2}{10} Or\frac{3}{5} >\frac{2}{10}$

Hence, $\frac{3}{5}$ is <u>Greater than </u> $\frac{2}{10}$

Hence, 3:5 is <u>Greater than </u>2:10

3 0

3 years ago