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Alecsey [184]
2 years ago
9

ESSENTIAL QUESTION How do graphs

Mathematics
1 answer:
Hunter-Best [27]2 years ago
8 0

Answer:

When you plot the graph, you may see a line or a curve. This presents the trend of the relationship of the two quantities when the independent variable changes.

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Lines a and b are perpendicular. The equation of line a is y=1/3x+3. What is the equation of line b
kykrilka [37]
Perpendicular lines have slopes that are negative reciprocals to each other, that is, if one slope is a/b, the other is -b/a
in this case, the given slope is 1/3, so the other line's slope is -3/1, which is -3
from the graph we see that the y intercept of line b is -4, so the equation of line b is: y=-3x-4
6 0
3 years ago
Combine the like terms to make a simpler expression -k - (-8k)
bekas [8.4K]
<span> -k - (-8k) = -k + 8k = 7k</span>
7 0
3 years ago
Read 2 more answers
BRAINLIST ASAP
kifflom [539]

Answer:

25.50

Step-by-step explanation:

-5 notebooks $2 each

-4 pencils $1.50 each

-2 packs of markers $3.75 each

5(2)+4(1.50)+2(3.75)

$23.5

23.5 times 8.5/100

1.9975

plus 23.5

25.4975

rounded to 25.50

6 0
2 years ago
Solve the following equation for I. A = 2nr + nrl. Explain each step please
Cloud [144]
Sorry I’m not sure but I’ll try and help- lemme just add it to a different comment
3 0
3 years ago
What is x given triangleABC ~triangleDBE?
denis-greek [22]

x = 37.5 (or) \frac{75}{2}

Solution:

Given \triangle A B C \sim \triangle D B E.

Let us take BE = x and BC = 25 + x.

To determine the value of x:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{AC}{DE}=\frac{B C}{B E}

$\frac{50}{30} =\frac{25+x}{x}

Do cross multiplication, we get

50x=30(25+x)

50x=750+30x

Subtract 30x from both sides of the equation.

20 x=750

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) \frac{75}{2}

Hence the value of x is 37.5 or \frac{75}{2}.

7 0
3 years ago
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