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kotegsom [21]
4 years ago
14

The length of Chen’s office is 15.5 feet and the width is 7.8 feet. Use the formula P = 2ℓ + 2w to find the perimeter of the off

ice.
Enter your answer in the box.
Mathematics
2 answers:
Mamont248 [21]4 years ago
8 0

Answer:

46.6 feet

Step-by-step explanation:

Leto [7]4 years ago
6 0

Answer:

the perimeter is 46.6 feet

Step-by-step explanation:

The length of Chen’s office is 15.5 feet and the width is 7.8 fee

length =15.5

width = 7.8

Use the formula P = 2l + 2w

where 'l' is the length and 'w' is the perimeter

Plug in the values of length and width in the perimeter formula

P = 2l + 2w

P = 2(15.5) + 2(7.8)=46.6

So the perimeter is 46.6 feet

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a mixture of peanuts and corn sells for P40 per kilo. The peanuts sell for P42 per kilo while the corn sells for P36 per kilo. h
Lelu [443]

Answer:

The weight of peanuts in the mixture   = 8  kg

The weight of corns in the given mixture = 4 kg

Step-by-step explanation:

Let us assume the weight of peanuts in the mixture   = x kg

The weight if corns in the given mixture = y kg

Total weight = (x + y) kg

The combined mixture weight = 12 kg

⇒ x  + y = 12  ..... (1)

Cost of per kg if mixture  = $ 40

So, the cost of (x + y) kg mixture  = (x+y) 40 = 40(x+ y)   ..... (2)

 

The cost of 1 kg of peanuts =  $ 42

So cost of x kg of peanuts  = 42 (x)  = 42 x

The cost of 1 kg of corns  = $ 36

So cost of y kg of corns  = 36 (y)  = 36 y

So, the total cost of x kg peanuts  + y kg corns =  42 x +  36 y  .... (3)

From (1) and (2), we get:

40(x+ y)  = 42 x +  36 y

x +  y = 12 ⇒ y = 12 -x

Put this in  40(x+ y)  = 42 x +  36 y

We get:

40(x+ 12 -x)  = 42 x +  36 (12 -x)

480 = 42 x + 432 - 36 x

or, 480 - 432 = 6 x

or, x  = 8

⇒ y = 12 -x = 12 - 8 = 4

⇒  y = 4

Hence, the weight of peanuts in the mixture   = 8  kg

The weight of corns in the given mixture = 4 kg

5 0
3 years ago
How would I write an equation of the line with the given slope and y-intercept?
Mariana [72]

Answer:

-1= -2/1

Step-by-step explanation:

8 0
3 years ago
What is 1/10 - -1/5?
krok68 [10]

Answer:

Step-by-step explanation:

First, find a common denominator. Fractions can only be added when there is a common denominator.

1/10  & 1/5... 1/10 & 2/10

1/10--2/10

Subtracting two negatives is the same as adding a positive.

1/10+2/10

Final Answer: 3/10

Have a great day!

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3 years ago
Is Triangle ABC a right triangle? Why or why not?
Alina [70]
I believe answer B is the correct answer
5 0
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