2 years ago

I need help on this, can anyone please help me ?

Mathematics

2 answers:

kifflom [539]2 years ago

8 0

Hmmmmm i don’t know sorry bud

Hoochie [10]2 years ago

5 0

Answer:

I do not know the answer of this question

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DIA [1.3K]

Answer:

6 x^2 y^3

Step-by-step explanation:

3 0

3 years ago

Given $a \equiv 1 \pmod{7}$, $b \equiv 2 \pmod{7}$, and $c \equiv 6 \pmod{7}$, what is the remainder when $a^{81} b^{91} c^{27}$

Blizzard [7]

$\begin{cases}a\equiv1\pmod7\\b\equiv2\pmod7\\c\equiv6\pmod7\end{cases}$

$a^{81}\equiv1^{81}\equiv1\pmod7$

$b^{91}\equiv2^{91}\pmod7$

$2^{91}\equiv(2^3)^{30}\times2^1\equiv8^{30}\times2\pmod7$
$8\equiv1\pmod7$
$2\equiv2\pmod7$
$\implies2^{91}\equiv1^{30}\times2\equiv2\pmod7$

$c^{27}\equiv6^{27}\pmod7$

$6^{27}\equiv(-1)^{27}\equiv-1\equiv6\pmod7$

$\implies a^{81}b^{91}c^{27}\equiv1\times2\times6\equiv12\equiv5\pmod7$

6 0

2 years ago

Kelsey had $65 to spend on books. Each book cost $5.50, and there was a $7.50 fee for shipping. She let b equal the number of bo

larisa86 [58]

Kelsey must spend less than or equal to $65.
The expression 5.50b+7.5 is correct
Kelsey able to purchase 10 books.
On the end Kelsey can spend $2.50 to purchase small present (calendar or book for notes)

6 0

2 years ago

Read 2 more answers

Write an equation in slope-intercept form for the line perpendicular to y=-3x + 9 that passes through the point (9,9)

son4ous [18]

Answer:

-8

Step-by-step explanation:

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2 years ago

$375, 319

frutty [35]

Answer:

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Step-by-step explanation:

7 0

2 years ago