2 years ago

Which word best describes the slope of the line?

Mathematics

2 answers:

Alenkasestr [34]2 years ago

8 0

The Answer is...................

<span>B. Negative</span>

docker41 [41]2 years ago

4 0

D. undefined is the answer to your question.

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The 08:10 train from goblin's gap gets to mermaid's bay at ?

ra1l [238]

Gets there at 13:25 as shown

7 0

3 years ago

Read 2 more answers

Find the numbers a, b and c if the polynomial x3−18x2+24xb−c is the cube of the binomial x+2a.

mojhsa [17]

Answer:

$a=-3\\ \\b=\dfrac{9}{2}\\ \\c=216$

Step-by-step explanation:

Use formula

$(u+v)^3=u^3+3u^2v+3uv^2+v^3.$

Hence,

$(x+2a)^3=x^3+3x^2\cdot 2a+3x\cdot (2a)^2+(2a)^3=x^3+6ax^2+12a^2x+8a^3.$

This expression is equal to

$x^3-18x^2+24bx-c,$

so we can equate the coefficients at powers of x:

$x^3:\ 1=1\\ \\x^2:\ 6a=-18\Rightarrow a=-3\\ \\x:\ 12a^2=24b\Rightarrow b=\dfrac{9}{2}\\ \\1=x^0:\ 8a^3=-c\Rightarrow c=-8\cdot (-3)^3=216.$

6 0

3 years ago

What is the volume of the figure below, which is composed of two cubes with side lengths of 5 units?

Nadya [2.5K]

Answer:

250u³

Step-by-step explanation:

The volume of a cube is found by multiplying LxWxH. 5x5x5=125, 125x2=250

Hope this helped :)

8 0

3 years ago

x = 4y - 2 x - 3y = 6 If you were going to solve this equation by substitution, what would your first step look like?

frosja888 [35]

4y-2-3y=6 = y=8

y=4 * 8 - 2

= x=30

answer is y=8, x=30

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3 years ago

What equation can I use to get 6 with the numbers 9,2,10,7,6

alekssr [168]

Answer:

10+2-6=6

Step-by-step explanation:

If you don’t need to use all the numbers,

10+2-6=6

7 0

3 years ago