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astraxan [27]
4 years ago
11

Write a situation for 15x - 20 ≤ 130 and solve

Mathematics
1 answer:
Svet_ta [14]4 years ago
3 0
So first you do 15/20 which is 1.33 then you know. But remember the last 3 has a line on top.
You might be interested in
if a hundred count of idaho baker potatoes costs 25.54 how much would one potato cost? round to the nearest penny
Damm [24]

Answer:

$3.91

Step-by-step explanation:

This is a fraction equal to

100 count ÷ 25.54 cost

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 25.54

100 count ÷ 25.54

25.54 cost ÷ 25.54

=  

3.915427 count

1 cost

=  

3.915427 count

cost

= 3.915427 count per cost

3 0
4 years ago
The top and bottom margins of a poster are 6 ft and the side margins are each 8 ft. If the area of printed material on the poste
UNO [17]

Answer:

Dimension

Height =29.01

Breadth=38.70

Step-by-step explanation:

Printed area is =386 and margins as specified.

For printed area let height be x and breadth be y.

x*y=386 ⇒ y = \frac{386}{x}

Now considering the margins

Height = x+6+6=x+12

Weidth = \frac{386}{x} +8 +8= \frac{386}{x} + 16

Area of poster to be minimised =(x+12)(\frac{386}{x} + 16)

Differentiate above area with respect to x and equate to zero to find extrema.

 \frac{dA}{dx} = 16 -\frac{12*386}{x^{2} }=0

x=17.01

Now plug value of x in height and breadth

 Height =29.01

Breadth=38.70

5 0
4 years ago
An artist builds a sculpture out of metal and wood that weighs 14.9 kilograms. ¾ of this weight is metal, and the rest is wood.
kolezko [41]

Answer:

I think you would have to convert 14.9 kg to fraction and multiply by 3/4

5 0
2 years ago
Read 2 more answers
How many two thirds ounce can be made with 8ounces
murzikaleks [220]
One cup=8 ounces. use a converter for the rest
5 0
4 years ago
Read 2 more answers
Pls help ill mark mark a thanks and 5 stars for best answer
LenaWriter [7]

Answer:

6.16

Step-by-step explanation:

9.28*(1 3/4)= 16.24

12.80*(1 3/4)=22.4

22.4-16.24= 6.16

5 0
3 years ago
Read 2 more answers
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