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weeeeeb [17]
3 years ago
14

Find the percent increase. Round to the nearest percent.

Mathematics
1 answer:
kakasveta [241]3 years ago
8 0

Answer:

80%

Step-by-step explanation:

from $25 to $45

$45/$25 = 1.8

$25 x 1.8 = $45

therefore, the increase is 80%

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Plz help me with this
Genrish500 [490]

Answer:  D) 10 sin (πx) - 5

<u>Step-by-step explanation:</u>

The range (maximum - minimum) is 5 - (-15) = 20

The amplitude (A) is range (20) ÷ 2 = 10

The vertical shift (D) is maximum (5) - amplitude (10) = -5

Of the given options, only A & D are candidates.  Now we need to decide if it is a cos graph (A) or a sin graph (D).  If we shift the graph up 5 units (to eliminate the vertical shift) , the graph would pass through the origin.  Thus it is a sin graph and the answer must be option D.

7 0
3 years ago
Find the measure of the arc or central angle indicated ​
artcher [175]

Answer:

230 degrees

Step-by-step explanation:

4 0
3 years ago
Write the following as a ratio: $72 for 488 photos
weeeeeb [17]

Answer:

The required ratio is 9 : 61

Step-by-step explanation:

Given,

$72 for 488 photos,

That is, the price of 488 photos = 72 dollars,

So, the ratio of price of photos and number of photos = \frac{72}{488}

∵ HCF(72, 488) = 8,

Thus, the ratio of price of photos and number of photos = \frac{72\div 8}{488\div 8}

= \frac{9}{61}

3 0
3 years ago
Find the value of c that would make the following expression a
Sunny_sXe [5.5K]

Answer:

c = 196

Step-by-step explanation:

To obtain a perfect square trinomial

Add ( half the coefficient of the x- term )² to x² + 28x

x² + 2(14)x + (14)², that is

x² + 28x + 196

= (x + 14)² ← a perfect square

4 0
3 years ago
Read 2 more answers
Leah wrote 2 different fractions with the same denominator. both fractions were less than 1. can their sum equal 1? explain
grandymaker [24]
Yes. Their sum can be equal to 1 because if they have the same denominator they will add easier like 3/4 and 1/4 or 1/2 and 1/2. All of them have the same denominator and still equal 1
8 0
3 years ago
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