3 years ago

What is the slope of the line that passes through the pair of points (3,-4) and (5,-7).

Mathematics

1 answer:

maria [59]3 years ago

5 0

The correct answer is C. -3/2

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What is the lower fence of this data set?A) 20.5 B) 18 C) 20 D) 19.5

gulaghasi [49]

A, sorry if it’s wrong

4 0

3 years ago

Math is hard, 7th grade math too..

VARVARA [1.3K]

Answer:

i could be wrong but i think its x=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

3 years ago

Renee hiked for 8 and 3/4 miles. After resting, Renee hiked back along the same route for 7 and 1/4 miles. How many more miles d

mart [117]

The answer is 3/2. you do this by subtracting 7 1/4 from the 8 3/4 and simplifying the 6/4!

6 0

3 years ago

Is using the associative property of addition a good strategy for simplifying (4/3 + 2/3) + 2? Why or why not?

Kitty [74]

Answer:

I say yes because when u solve it and flip the ( )'s, you get the same answer.

Step-by-step explanation:

Work:

(4/3 + 2/3) + 2

6/3 + 2

2 + 2

= 4

4/3 + (2/3 + 2)

4/3 + 8/3

12/3

= 4

Hope this helps!!

3 0

3 years ago

Read 2 more answers