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MA_775_DIABLO [31]
2 years ago
15

Each drink cost d in dollars

Mathematics
1 answer:
zhenek [66]2 years ago
6 0
There is no picture what do you mean
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3. Write an equation of a line that is perpendicular to the line x – 2y = 8.
xenn [34]

Answer:

y=0.5x+40

Step-by-step explanation:

Copy the  equation.

x-2y=8

Subtract x from both sides.

-2y=-x-8

Divide both sides by -2.

y=0.5x+4

Now we know the slope is 0.5.

Any line with a slope of 0.5 will be perpendiculr to the original line.

One that you can use is y=0.5x+40.

7 0
3 years ago
In the following picture, (QS) ̅ and (PR) ̅ are chords of the circle. Find the length of QS. (Remember to show formulas/equation
Inessa [10]
<h3>Answer: QS is 37 units long</h3>

=========================================

Explanation:

PN = 24 and NR = 14 are pieces of the chord PR. The two pieces multiply to some value. At the same time, the other two pieces QN = 21 and NS = 2x-4 also multiply to that same value. In short, the chord pieces multiply to the same number. This is known as the intersecting chord theorem.

PN*NR = QN*NS

24*14 = 21*(2x-4)

336 = 42x-84

336+84 = 42x-84+84 .... add 84 to both sides

420 = 42x

42x = 420

42x/42 = 420/42 ...... divide both sides by 42

x = 10

We know that x = 10 so we can use it to find the length of NS

NS = 2x-4

NS = 2*10-4

NS = 20-4

NS = 16

Therefore,

QS = QN + NS

QS = 21 + 16

QS = 37

--------

note: as a check,

PN*NR = QN*NS

24*14 = 21*16

336 = 336

we get a true equation, so we have the proper values

4 0
3 years ago
If the relative frequencies are 0.48 and 0.52, which
frosja888 [35]

Answer:The Last One

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
CINDY IS A HOSTESS AT A COUNTRY CLUB
stich3 [128]

Answer and Step-by-step explanation:

<u>Add together the hours, then divide the amount earned by the total amount of  hours.</u>

<u />

3 + 5 = 8

105 ÷ 8 = <u>$13.125 (which would round up to 13.13) [About $13.13] is earned per hour.</u>

<u></u>

<u></u>

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

5 0
3 years ago
Find inverse of y=1/2x+8
Molodets [167]
F^1(x)=2x-16 To find the interverse interchange the variable and solve for y

8 0
3 years ago
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