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Alexeev081 [22]
3 years ago
6

PLEASE HELPPPPP MATH

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0

Answer:

After 30 weeks.

Step-by-step explanation:

250 + 25*30 = 1000

400 + 20*30 = 1000

Stels [109]3 years ago
6 0

Answer:

Use the equation 250+25w=400+20w

Step-by-step explanation:

Replace w with one of the answers until you get the right one.

pretty sure its 35 but I don't have a calculator with me so double check

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.The price of a MP3 Player decreases from $382 to $261.50.find the percentage decrease in its price
FinnZ [79.3K]

The percent of change = ((new value - old value) / old value) × 100%

Our new value = $261.50

Our old value = $382

Plug our values into the equation above.

(($261.50 - $382) / $382) × 100% = -31.54%

8 0
3 years ago
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Thankkk you in advance!
mrs_skeptik [129]
<h3>Answer:  22</h3>

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

Explanation:

  • x = measure of angle 1 = angle WXY
  • 2x = twice the measure of angle 1 = measure of angle 2 = angle YXZ

The two angles mentioned combine to form angle WXZ which is 66 degrees.

angle1+angle2 = angle WXZ

x+2x = 66

3x = 66

x = 66/3

x = 22

Angle 1 is 22 degrees and angle 2 is 22*2 = 44 degrees.

Check:

angle1+angle2 = 22+44 = 66 = angle WXZ

4 0
2 years ago
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Determining the input using an equation f (x) = -1/3x + 7
daser333 [38]

Answer:

19

Step-by-step explanation:

f(x)=2/3

2/3=-1/3x+7

Subtract 7 from both sides

2/3-7=-1/3x

-6 1/3 = -1/3x

Multiply both sides by -3

-3(-6 1/3)=-1/3x(-3)

19 = x

4 0
3 years ago
Find the space inside a rectangle with a width of 8 and a length of 15. ​
Pie

Answer:

120

Step-by-step explanation:

A=LxH

So 15x8=120

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belka [17]

Answer:

D.

Step-by-step explanation:

4 x (26 + 72) is 4 time more than the expression of 26 + 72

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