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Arada [10]
3 years ago
8

The painting shown at the right has an area of 220. What is the value of x?

Mathematics
1 answer:
tangare [24]3 years ago
5 0

Answer:

9.76

Step-by-step explanation:

area of a rectangle = length * breadth

length = (2x + 3)

breadth = x

given area is 220 sq. inches.

thus,

220 = x * (2x+3)

220 = 2x² +3x

2x² + 3x -220 = 0

x = (-b + √ ( b²-4ac) ) ÷ 2a

x = ( -3 + √ ( 3² - 4*2*220) ) ÷ 2*2

x =9.76

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Step-by-step explanation:

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3 years ago
Pomocy!!mam jeszcze kilka pytan. ​
Karo-lina-s [1.5K]

Answer:

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Step-by-step explanation:

Number of steps in Monday = 8565 steps

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4 0
3 years ago
Karen had 15 snicker bars. she gave 7 to her brother. what percent did she give away
Mekhanik [1.2K]

Step-by-step explanation:

The way to get this is that you put them in fraction form 7/15 and then you make it equal to to x/100 and then divide the known part of the fraction which in this case is 100/15 which gives 6.67 (rounded). After you get that you multiply it by 7 which give you 46.69%

6 0
3 years ago
Find the complex conjugate of z1 of z1=8+i
kakasveta [241]

Answer:

this is just math jargon... a conjugate is the same numbers but with an opposite sign.. got it?

Step-by-step explanation:

z1' ( the prime is often used for conjuates it's also used in calculus but later)

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8 0
3 years ago
The morning absentee report shows that 15% of the students are absent. There are 1360 students enrolled in the school. how many
Murrr4er [49]
In order to find the answer you multiply 1360 by .15 and you get the answer of 204. So 204 students are absent. 
7 0
3 years ago
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