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exis [7]
3 years ago
7

HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Anni [7]3 years ago
6 0

Answer:

l = 14

Step-by-step explanation:

The perimeter of a rectangle is

P =2(l+w)

The width is x-6

w = x-6

The length is 8 units longer than the width

l = w+8

l = x-6+8

l = x+2

We can substitute this into the equation for Perimeter, which is given as 40

40 = 2(x+2 + x-6)

Combine like terms

40 =2 (2x-4)

Divide by 2

40/2 = 2/2 (2x-4)

20 = 2x-4

Add 4 to each side

20+4 =2x-4+4

24 = 2x

Divide by 2

24/2 =2x/2

12=x

We want to know the length

l = x+2

l =12+2

l = 14

Step-by-step explanation:

Dennis_Churaev [7]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Multiply the length that you have been given by 2

2: Then, subtract the result from the perimeter.

3: You now have the total length for the remaining 2 sides.

4: Width or height is the number divided by 2.

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Solution: We are given:

The first week, Bean sprout grows 3 inches

The second week, Bean sprout grows 2 inches

The third week, Bean sprout grows 1.333... inches

Bean sprout follows a particular each week. Every week it grew 2/3 (0.667) less than the week before.

For the first week it was 3 inches, for the second week it was 3 \times \frac{2}{3}=2 inches, for the third week it was 2 \times \frac{2}{3}=1.333... and therefore, for the fourth week it will be 1.333333 \times \frac{2}{3}=0.8889

Therefore, bean sprout have grown 0.8889 inches in its fourth week.

7 0
3 years ago
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marissa [1.9K]

Answer:

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Report if wrong :)

Step-by-step explanation:

Also, I plead the 5th

7 0
3 years ago
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Step-by-step explanation:

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3 years ago
1) Determine the GCF and<br> 2) write the expression in factored form.<br> (6x2 + 4x) + (4x2 – 8x)
Nady [450]

Hey there,

The first step in solving this problem would have to be to add the two binomials together:

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Knowing this now we find the GCF which would have to be 2x which goes into both terms.

The factored form would have to be 2x(5x - 2).

The GCF is 2x and the factored form is 2x(5x - 2).

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4 0
4 years ago
PLEASE HELP!!!!!!!! (Write each decimal as a percent)
Verizon [17]

Answer:

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0.39=3.9%

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Step-by-step explanation:

Hope this helped, Have a Wonderful Day!!

5 0
3 years ago
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