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gogolik [260]
3 years ago
13

Please choose answer choice a,b,c or d

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0

Answer:

A. -4

Step-by-step explanation:

Slope is rise over run, or y2-y1 / x2-x1.

\frac{y2-y1}{x2-x1} = \frac{-4-8}{2--1} =\frac{-12}{3} = -4

<u>The slope is A. -4.</u>

Let's see--does that make sense? A slope of four would be pretty steep, and that matches the graph. It also should be negative because the line goes down and to the right, not up and to the right, so -4 makes sense!

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im going give 60 point please answer The temperature inside the command center is 21 degrees C. The temperature outside the comm
kolbaska11 [484]

Answer:

33 degrees

Step-by-step explanation:

It is 21 degrees inside the command center and negative 12 degrees outside.

You want to find the difference between these, which means you want to subtract.

That will look like:

21 - (-12) = ?

since you have two negative signs next to each other, they will cancel each other out.

Our new equation:

21 + 12 =

21 + 12 = 33

The difference between these two temperatures is 33 degrees.

4 0
3 years ago
Hurry please :)!!!!
Black_prince [1.1K]

Answer:

I'm not sure but I think it's LDTC

Step-by-step explanation:

6 0
3 years ago
Beginning with January, Connie kept track of the number of books she read each month for six months. By March, she had read a to
bulgar [2K]

Answer: May

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4 0
3 years ago
Read 2 more answers
The dot plot shows the number of hours that students spent watching TV.
STALIN [3.7K]

Answer:

B C and D

Step-by-step explanation:

common sense

5 0
3 years ago
A triangle has an area of 30 cm2. The base and height are scaled by a factor of 3. What is the are of the resulting triangle.
Lera25 [3.4K]
The base and height scaled to some factor, simply means,
they're blown up by that much, or multiplied by that much,

in this case is 3, so.. the area would be 1/2 bh, now,
with 3b and 3h, what would it be?

\bf \begin{cases}&#10;A=\cfrac{1}{2}bh&#10;\\\\&#10;\textit{now, scaling "b" and "h" by 3}&#10;\\\\&#10;A=\cfrac{1}{2}\cdot 3b\cdot 3h\to \cfrac{1}{2}\cdot 9bh&#10;\\\\&#10;A=\cfrac{9}{2}bh\to 9\left(\cfrac{1}{2}bh  \right)\\&#10;--------------\\&#10;9\left(\cfrac{1}{2}bh  \right)\textit{ is really 9 times }\cfrac{1}{2}bh&#10;\\\\&#10;\textit{whatever the value of }\cfrac{1}{2}bh \textit{may be}&#10;\end{cases}

-------------------------------------------------------------------------

\bf A=\cfrac{1}{2}bh\qquad &#10;\begin{cases}&#10;b=2\\&#10;h=3&#10;\end{cases}\implies A=\cfrac{1}{2}\cdot 2\cdot 3\to 3&#10;\\\\\\&#10;\textit{now, let us scale "b" and "h" by 3}&#10;\\\\&#10;A=\cfrac{1}{2}\cdot  3b\cdot  3h\qquad &#10;\begin{cases}&#10;b=2\\&#10;h=3&#10;\end{cases}\implies A=\cfrac{1}{2}\cdot (3\cdot 2)\cdot (3\cdot 3)&#10;\\\\\\&#10;A=\cfrac{1}{2}\cdot 6\cdot 9\to 3\cdot 9\to 27
3 0
4 years ago
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