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makvit [3.9K]
3 years ago
13

Don, Shuan and Monica have 5 hallways to decorate for the student council if they share the work equally how much will easch stu

dent decorate
Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
8 0
Each student will have a little more then a hallway and a half to decorate 

If you were to be exact each student would have 1.6 (repeating) hallways which would make sense in the problem situation <span />
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A shelf takes 3 1 2 ft. of lumber. How many shelves can be made from 24 1 2 feet? A) 6 B) 7 C) 8 D) 9
liq [111]
2412 divided by 312 equals 7 so its 7

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X=4-k over 6, what is k
Alla [95]

Answer:

<h3>k = -6x+4</h3>

Step-by-step explanation:

x =\frac{4-k}{6}

Cross Multiply

x \times 6 = (4-k)\times 1\\\\6x = 4-k

Isolate k

6x -4 =-k

Divide through by -1

\frac{6x}{-1} -\frac{-4}{-1} = \frac{-k}{-1}\\ \\-6x+4 =k\\\\k =-6x+4

7 0
3 years ago
A shop sells fence panels with a wooden frame going all the way round each panel. The price of each panel is based on the area o
vagabundo [1.1K]

Answer:

a) Each 1m² of fence panel costs: £2

b) I metre of wooden frame costs: £1

Step-by-step explanation:

Let the price of 1 sq.m. of fence panel be x

Let the price of 1 m of wooden frame be y

In Fig 1

Length = 4 m

Breadth = 3 m

Area =Length \times breadth = 4 \times 3 = 12 sq.m.

Cost of 1 sq.m. = x

Cost of 12 sq.m. = 12x

Perimeter =2(l+b)=2(4+3)=14 m

Cost of 1 m of wooden frame = y

Cost of 14 m of wooden frame = 14y

We are given that total cost of framing and fencing is 38

So. 12x+14y=38 ----1

In Fig 2

Length = 6 m

Breadth = 2 m

Area =Length \times breadth = 6 \times 2 = 12 sq.m.

Cost of 1 sq.m. = x

Cost of 12 sq.m. = 12x

Perimeter =2(l+b)=2(6+2)=16 m

Cost of 1 m of wooden frame = y

Cost of 16 m of wooden frame = 16y

We are given that total cost of framing and fencing is 40

So. 12x+16y=40---2

Substitute the value of 12x form 1 in 2

38-14y+16y=40

2y=2

y=1

Substitute the value of y in 2

12x+16=40

12x=24

x=2

So, cost of 1 sq.m. of fence panel is 2 and cost of 1 m of wooden frame is 1

In fig 3

To verify :

Length = 3 m

Breadth = 5 m

Area = Length \times breadth = 3 \times 5 = 15 sq.m.

Cost of 1 sq.m. = 2

Cost of 12 sq.m. =15 \times 2 = 30

Perimeter =2(l+b)=2(3+5)=16 m

Cost of 1 m of wooden frame = 1

Cost of 16 m of wooden frame = 16

So, Total cost = 30+16=46

We are given that cost of fencing and framing is 46

Thus verified

Hence

a) Each 1m² of fence panel costs: £2

b) I metre of wooden frame costs: £1

5 0
3 years ago
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