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Alex73 [517]
3 years ago
10

Find the perimeter and area of following rectangle

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0
Perimeter:
3ab^2 + 3ab^2 + 5a^2b^4 + 5a^2b^4
= 6ab^2 + 10a^2b^4

Area:
3ab^2 x 5a^2b^4 = 15a^3b^6
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What is the square root of 85
dimulka [17.4K]

Answer:

Step-by-step explanation:

√85 = 9.219544457292887310002274281762...

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2 years ago
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A side of a square garden is represented by the expression 2s + 5. Which expression represents the area of the garden?
zalisa [80]

Answer:

<h2><u><em>(2s + 5) × (2s + 5)</em></u></h2><h2><u><em>or</em></u></h2><h2><u><em>(2s + 5)²</em></u></h2>

Step-by-step explanation:

A side of a square garden is represented by the expression 2s + 5. Which expression represents the area of the garden?

Area = s * s ( side x side or side²)

(2s + 5) * (2s + 5)

or

(2s + 5)²

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2 years ago
Sophia needs $47 to go on a field trip. She has saved $11.50. She earns $6.50 per hour cleaning her neighbor's garden, and she e
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6 0
3 years ago
A three-digit number has two properties. The tens-digit and the ones-digit add up to 5. If the number is written with the digits
natali 33 [55]

Answer:

The three-digit numbers with these properties are 850 or 941.

Step-by-step explanation:

Let x be the hundreds digit, y the tens digit, and z the ones digit. The first condition says that y+z=5. The second condition is:

the original number is (100x+10y+z) while the reversed number is (100z+10y+x) so

(100x+10y+z)-(100z+10y+x)=792\\99x-99z=792

Now we have the system

y+z=5\\ 99x-99z=792

You can divide by 99 to simplify the second equation.

y+z=5\\ x-z=8

Note that x, y, z must be digits between 0 and 9 and x\neq 0. If z>1, then the second equation forces x>9, for example z=2 so x-2=8, x=10 which is impossible. If z=0, you get x=8, y=5 and the number is 850. If z=1, you get x=9,y=4 and the number is 941.

6 0
3 years ago
Number 17.
agasfer [191]

2x + By = 15

We solve for y to put the equationj in the y = mx + b form in which b is the y-intercept.

By = -2x + 15

y = -2/Bx + 15/B

The y-intercept is 15/B, and we are told the y-intercept is 5.

15/B = 5

15 = 5B

B = 3

Answer: E. 3

3 0
3 years ago
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