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d1i1m1o1n [39]
3 years ago
5

You have a 20% increase with a 25% decrease? what do i do

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

Answer:

Decrease by 5%

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Find the equation lines<br> (4, 5)(7, 3)
mash [69]

Step-by-step explanation:

Hey there!

The equation of a st.line passing through points (4,5) and (7,3) is;

(y - y1) =  \frac{y2 - y1}{x2 - x1} (x - x1)

<u>Put</u><u> </u><u>all values</u><u>. </u>

<u>(y - 5) =  \frac{3 - 5}{7 - 4} (x - 4)</u>

<u>Simplify</u><u> </u><u>it</u><u>. </u>

<u>(y - 5) =  \frac{ - 2}{3} (x - 4)</u>

<u>3(y - 5) =  - 2x + 8</u>

<u>3y - 15 =  - 2x + 8</u>

<u>2x + 3y - 23 = 0</u>

<u>Therefore the</u><u>required</u><u> </u><u>equation</u><u> </u><u>is</u><u> </u><u>2</u><u>x</u><u>+</u><u>3</u><u>y-23</u><u>=</u><u>0</u><u>.</u>

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em>

8 0
3 years ago
15 is which percent of 30?<br> A. 450%<br> B. 200%<br> C. 50%<br> D. 1/2%<br> E. 2%
Hitman42 [59]

Answer:

answer: 50%

Step-by-step explanation:

The answer is 50% because 15 is half of 30 because 15 + 15 = 30 so 15 is half of 30 50%

7 0
2 years ago
Read 2 more answers
Simplify the expression using the Distributive Property.<br><br> ½(10x + 20y)
marusya05 [52]

Answer:

Step-by-step explanation:

The distributive property affects both terms.

1/2 * 10x + 1/2 * 20 y

5x + 10 y <===== Answer

3 0
3 years ago
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You have been asked to set up chairs for the school concert.
DanielleElmas [232]

Step-by-step explanation:

middle section= 390

sides=270

total=930 chairs

5 0
3 years ago
The Prize Pretzel Company most popular pretzel sells for $4.80 per bag. The table below shows the cost of these pretzels in vari
Over [174]

Answer:

The price of pretzels in 1975 = $1.80

Step-by-step explanation:

To answer this question we are assuming the steady rate means linear.Let x be the year and y be the price.

We need to find the slope

m = (y2-y1)/(x2-x1)

  = (4.80-4.05)/(2015-2005)

  =.75/10

 = .075

The slope is .075

We can use the point slope form of the equation  

y-y1 = m(x-x1)

y-4.80 = .075(x-2015)

Distribute

y - 4.80 = .075x -151.125

Add 4.80 to each side

y - 4.80+4.80 = .075x -151.125+4.80

y =  .075 x - 146.325

We want to find out how much pretzels were in 1975.  Put in x=1975

y = .075(1975) -146.325

y = 148.125-146.325

y=1.80

8 0
3 years ago
Read 2 more answers
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