3 years ago

29. LANDSCAPING The perimeter of a square P is four times the

Mathematics

1 answer:

katovenus [111]3 years ago

5 0

Answer:

Step-by-step explanation:

48/4=12

perimeter of squre is 4l so the length of a squre side is 12 (4*12=48)

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What is the percentage decrease if an item has dropped from $115 to $46

Sav [38]

Answer: 60% decrease

Step-by-step explanation:

Look at the attachment

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3 years ago

A major car dealership has several stores in a big city. The owner wants to determine if there is a difference in the proportion

Gemiola [76]

Answer:

confidence interval = ( -0.38 , 0.08 )

Step-by-step explanation:

Given data :

n1 = 55 , n2 = 60 ,

Let P1 ( proportion of SUV sales at store A ) = 30 / 55 = 0.55

P2 ( sample proportion of SUV sales at store B ) = 42/60 = 0.70

The Z-value at 99% confidence Interval = 2.58

<u>Determine the 99% confidence interval for difference in proportion</u>

applying the formula below

( P1 - P2 ) ± Z ( $\sqrt{p1( 1-p1)/n1 + p2(1-p2)/n2}$

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3 years ago

Angelica’s bouquet of a dozen roses contains 5 white roses. The rest of the roses are pink. What fraction of the bouquet is pink

PolarNik [594]

7/12 for pink roses (:

7 0

3 years ago

Read 2 more answers

X^2-8x+6 in vertex form

kompoz [17]

$x^2-8x+6=\\
x^2-8x+16-10=\\
(x-4)^2-10$

4 0

3 years ago

Julio bought a total of 20 medium and large pumpkins. If he spent $53 and bought 6 more large pumpkins as medium pumpkins, how m

Tatiana [17]

20 medium and large pumpkins

m ... number of medium pumpkins
l ... number of large pumpkins

20 = m + l
20 = m + (m + 6)
20 = 2 * m + 6
2 * m = 20 - 6
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Result: Julio bought 13 large pumpkins.

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3 years ago