2 years ago

How long did lizzie practice on thursday and friday altogether free brainliest

Mathematics

1 answer:

snow_tiger [21]2 years ago

5 0

I don’t see any data

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Help! which one is it? I'm confused! :(

disa [49]

Answer:

its D

Step-by-step explanation:

x+2x=90-45

3x=45

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3 years ago

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Amber is solving the inequality |x+6| - 12 < 13 by graphing. Which equations should Amber graph?

Akimi4 [234]

Answer:

y₁ = |x+6| ; y₂ = 25

Step-by-step explanation:

|x+6| - 12 < 13

⇔ |x+6| < 25

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2 years ago

One number is five times another number. Their sum is 42. What are the two numbers? Answer ASAP

vekshin1

Answer:

the numbers are 7 and 35

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4 years ago

Define the opposite and the absolute value of 6

Yakvenalex [24]

The opposite is a negative so the answer would be -6

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3 years ago

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Which number is the same as ? A. -2 B. 1/8 C. 2 D. 32 E. 512

MissTica

Answer:

Step-by-step explanation:

$a^{-m}=\frac{1}{a^{m}}\\\\\frac{1}{a^{-m}}=a^{m}\\\\\\a^{m}*a^{n}=a^{m+n}\\\\\frac{a^{m}}{a^{n}}=a^{m-n}$

$(a^{m})^{n} = a^{m*n}$

In exponent multiplication, if two numbers have same base, just add the exponents

In exponent division, if two numbers have same base, just subtract the exponents

Prime factorize 4 = 2*2 = 2²

4⁻¹ *(2³÷ 4⁻² )= (2²)⁻¹ * ( 2³÷ (2²)⁻²

= (2⁻²)* (2³ ÷2⁻⁴)

$= 2^{-2} * (2^{3-[-4]})\\\\= 2^{-2} * (2^{3+4})\\\\= 2^{-2} * 2^{7}\\\\= 2^{-2+7}\\\\= 2^{5}\\\\= 2 * 2 * 2 * 2 * 2\\\\= 32$

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3 years ago

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