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2 years ago

Can some one explain this to me pls i don’t understand it :(

Mathematics

2 answers:

Luden [163]2 years ago

5 0

Parallel means a line that is also straight and it DOSENT go left or right always straight

OLga [1]2 years ago

3 0

9514 1404 393

Answer:

y = x + 4

Step-by-step explanation:

It is helpful to remember that parallel lines have the same slope. That is, the only thing different in the equation you write will be the added constant, the y-intercept.

If we call that constant "b", then we have ...

y = x + b . . . . . given equation with 8 replaced by b

2 = -2 + b . . . . with (-2, 2) filled in for (x, y)

4 = b . . . . . . add 2 to both sides

Then your parallel line has the equation ...

y = x + 4

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Students were surveyed about their favorite colors 1/4 of the students preferred read 1/8 of the students preferred blue and 3/5

Elanso [62]

Answer: the number of students that were surveyed is 40

Step-by-step explanation:

Let x = total number of students that were surveyed about their favorite colors

1/4 of the students preferred red.

This means that the number of students that preferred red is 1/4 × x = x/4

1/8 of the students preferred blue.

This means that the number of students that preferred blue is 1/8 × x = x/8

The remaining number of students will be the total number of students - the sum of the number of students that preferred red and the number of students that preferred blue. It becomes

x - (x/4 + x/8) = x - 3x/8 = 5x/8

3/5 of the remaining students were for green. This means that the number of students that preferred green is 3/5 × 5x/8 = 3x/8

if 15 students prefer green, then

3x/8 = 15

3x = 120

x = 120/3 = 40 students

5 0

3 years ago

Please help me asap

Sonja [21]

Step-by-step explanation:

4/sin45=

$4 \sqrt{2}$

6 0

2 years ago

Kendrick received 24 fewer e-mails than he did on Thursday. If he received a total of 126 e-mails on those two days, how many di

telo118 [61]

E+(e-24)=126

2e-24=126

2e=150

e=75

So (s)he recieved 75 and 75-24=51 emails on those days.

3 0

3 years ago

5/4 to 3/8 as a percent change

Digiron [165]

Well, what's the diffrence from 5/4 to 3/8?

$\bf \cfrac{5}{4}-\cfrac{3}{8}\qquad \stackrel{\textit{LCD is 8 clearly}}{\implies }\qquad \cfrac{10-3}{8}\implies \cfrac{7}{8}$

so, if we take 5/4 to be the 100%, what is 7/8 off of it in percentage anyway?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{5}{4}&100\\\\
\frac{7}{8}&x
\end{array}\implies \cfrac{\quad \frac{5}{4}\quad }{\frac{7}{8}}=\cfrac{100}{x}\implies \cfrac{5}{4}\cdot \cfrac{8}{7}=\cfrac{100}{x}
\\\\\\
\cfrac{40}{28}=\cfrac{100}{x}\implies x=\cfrac{28\cdot 100}{40}$

5 0

2 years ago

What is the value of K in the equation 8 + 2k = 4k + 4

11111nata11111 [884]

8+2k=4k+4
8-4=4k-2k I placed the like terms on each side.
4=2k Simplify
4/2=k Leave the variable a side
2 = k

8 0

3 years ago

Read 2 more answers