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telo118 [61]
2 years ago
10

Work out the percentage change to 2 decimal places when a price of £87.95 is decreased to £70.

Mathematics
2 answers:
Ann [662]2 years ago
8 0

Answer:

20.40%

Step-by-step explanation:

percentage change = difference divided by original x 100

Difference here: 17.95

Thus, % change = 17.95 divided by 97.95 x 100 = 20.40%

Hopr this helps.

kap26 [50]2 years ago
5 0

Answer:

20.41%

Step-by-step explanation:

87.95 - 70 = 17.95

17.95 / 87.95= 0.20409323479

0.20409323479 x 100 = 20.409323479

round it

= 20.41%

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You want to surround the perimeter of a garden with 35 stones. You need to place a certain number of large and small stones, and
coldgirl [10]

Answer:

You will need 7 large and 28 small stones.

Step-by-step explanation:

x = the number of large stones

y = the number of small stones

x + y = 35

for every large stone, you want to use 4 small stones:

y = 4x

by solving the system of equations:

x + y = 35

y = 4x

we find:

x = 7 large stones

y = 28 small stones

5 0
2 years ago
A movie was 3 1/2 hours long. If Lily turned the movie off 1/4 of the way through, how much time did she spend watching it?
elixir [45]

330 minutes watched

330 ÷ 4 = 82.5 mins

1 hour 22minuites and 30 seconds spent watching

8 0
2 years ago
Read 2 more answers
A can of peas weighs 10 oz. Explain how you would make a graph to model the total weight of peas in terms of the number of cans
Vika [28.1K]
Ur x axis will be the number of cans and ur y axis will be the weight in oz

u will label ur x axis( the number of cans) in intervals of 1......from 0 to 4
u will label ur y axis (the weight) in intervals of 10....from 0 to 40

ur equation would be : y = 10x
points on this line are : (0,0), (1,10), (2,20), (3,30), (4,40)
3 0
1 year ago
Read 2 more answers
The average density of Styrofoam is 1.00 kg/m^3. If a Styrofoam cooler is made with outside dimensions of 50.0 x 35.0 x 30.0 cm
Nadusha1986 [10]

Answer:

View graph

Step-by-step explanation:

The closest by default to 1100 cubic inches is taking two side and two front covers and that would give you 1080.12 cubic inches since two of the covers you must subtract 3 cm per side and side which would add 6 cm in total so outside would be 35 cm and indoor 29 cm . According the graph

29*50*3= 4350 * 2 lid = 8700 cm3

30*50*3= 4500*2 lid = 9000 cm3

So 8700+9000 = 17700 cm3 to inches 3 = 1080.12 cm3

5 0
2 years ago
Let p and q be the propositions "Swimming at the New Jersey shore is allowed" and "Sharks have been spotted near the shore," res
gregori [183]
<h2>Answer with explanation:</h2>

Given propositions: p ="Swimming at the New Jersey shore is allowed"

q = "Sharks have been spotted near the shore"

We need to express each of these compound propositions as an English sentence.

a) ¬q : not q

Sentence: Sharks have not been spotted near the shore.

b) p ∧ q : p and q

Sentence: Swimming at the New Jersey shore is allowed and sharks have been spotted near the shore.

c) ¬p ∨ q  : not p or q.

Sentence: Swimming at the New Jersey shore is not allowed or sharks have been spotted near the shore.

d) p → ¬q  : If p then not q.

Sentence: If swimming at the New Jersey shore is allowed then sharks have not been spotted near the shore.

e) ¬q → p : If not q then p.

Sentence: If sharks have not been spotted near the shore then swimming at the New Jersey shore is allowed .

f) ¬p → ¬q : If not p then not q.

Sentence: If swimming at the New Jersey shore is not allowed then sharks have not been spotted near the shore.

g) p ↔ ¬q : p if and only if not q

Sentence: Swimming at the New Jersey shore is allowed if and only if sharks have not been spotted near the shore.

h) ¬p ∧ (p ∨ ¬q) : not p and, p or not q.

Sentence: Swimming at the New Jersey shore is not allowed and, swimming at the New Jersey shore is allowed or sharks have not been spotted near the shore.

7 0
1 year ago
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