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Olenka [21]
3 years ago
13

What is the length of a rectangle with width 10 in. and area 85 in^(2)

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

8.5 in

Step-by-step explanation:

Area of a rectangle = Length × Width

Area = 85

Width = 10

Hence the value of the length;

; 85 = 10 × Length

;then divide both sides by 10

Hence the length of the rectangle;

(85 ÷ 10) = Length

; Length = 8.5 in

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jolli1 [7]
The answer for the question is 4
8 0
3 years ago
Roy and Sam start solving the equation as follows.
denpristay [2]

Answer:

The correct option is D.

Step-by-step explanation:

The given equation is

-3x+4=5x-6

According to the addition property of equality a=b and a+c=b+c are equivalent equations.

Use addition property of equality, add 3x on both the sides.

-3x+4+3x=5x-6+3x

4=8x-6

Therefore Sam's work is incorrect because he make calculation mistake.

According to the subtraction property of equality a=b and a-c=b-c are equivalent equations.

Use subtraction property of equality, subtract 5x from both the sides.

-3x+4-5x=5x-6-5x

-8x+4=-6

Therefore Roy's work is correct because he used subtraction property.

Option D is correct.

7 0
3 years ago
Eric put several CD's in a case. Four CDs are country, six are rap and ten are pop. If Eric picks one CD from the case without l
Kipish [7]

Answer: D, 1/2

Step-by-step explanation:

4 country, 6 rap, 10 pop = 20 total

10 pop / 20 total

10 / 20 = 1/2

4 0
3 years ago
Read 2 more answers
Jane and Jill both love to collect books. Jane has twice as many books as Jill. Together, they have a total of 216 books in thei
mezya [45]

Answer:

144

Step-by-step explanation:

Jane has 2 times as many books as Jill, so there are 3 parts. Two parts Jane and one part Jill. So, divide 216 by 3 and it's 72, which equals one part. Jane has two parts, so 72 x 2. Jane has 144 books.

5 0
3 years ago
Evaluate Combination (6,6)
andrew11 [14]

Answer:

nCx = \frac{n!}{x! (n-x)!}

On this case n =6 and x =6 we got:

6C6 = \frac{6!}{6! (6-6)!} = \frac{6!}{6! 0!}= \frac{6!}{6!}=1

Step-by-step explanation:

The utility for the combination formula is in order to find the number of ways to order a set of elements

For this case we want to find the following expression:

6C6

And the general formula for combination is given by:

nCx = \frac{n!}{x! (n-x)!}

On this case n =6 and x =6 we got:

6C6 = \frac{6!}{6! (6-6)!} = \frac{6!}{6! 0!}= \frac{6!}{6!}=1

8 0
3 years ago
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