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zepelin [54]
3 years ago
10

In class 6, 80percent of the children like crisps.

Mathematics
2 answers:
dezoksy [38]3 years ago
6 0

80% like crisps
75% of the 80% like chocolate.

What percent of the total are the children who like chocolate and crisps?

75% of 80% = 60%

This 60% of children like chocolate and crisps

Alex17521 [72]3 years ago
4 0
This should be your answer <em>(attached in the photo)</em>

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Suppose that the number of a certain type of computer that can be sold when its price is P (in dollars) is given by a linear fun
Scilla [17]

Answer:

a) N(P) = -6P + 16000

b) slope = -6 computers per dollar

That means the number of computer sold reduce by 6 per dollar increase in price.

c) ∆N = -660 computers

Step-by-step explanation:

Since N(P) is a linear function

N(P) = mP + C

Where m is the slope and C is the intercept.

Case 1

N(1000) = 10000

10000 = 1000m + C ....1

Case 2

N(1700) = 5800

5800 = 1700m + C ....2

Subtracting equation 1 from 2

700m = 5800 - 10000

m = -4200/700

m = -6

Substituting m = -6 into eqn 1

10000 = (-6)1000 + C

C = 10000+ 6000 = 16000

N(P) = -6P + 16000

b) slope = -6 computers per dollar

That means the number of computer sold reduce by 6 per dollar increase in price.

Slope is the change in number of computer sold per unit Change in price.

c) since slope m = -6 computers per dollar

∆P = 110 dollars

∆N = m × ∆P

Substituting the values,

∆N = -6 computers/dollar × 110 dollars

∆N = -660 computers.

The number of computer sold reduce by 660 when the price increase by 110 dollars

7 0
3 years ago
Smith has 12 cans of dog food. He has two dogs and gives 2/3 can of food to each dog in a day. For how many days will his dog fo
Amiraneli [1.4K]

Answer:

He has food for 9 days.

Hence, yes he has enough dog food to last one week.

Step-by-step explanation:

8 0
2 years ago
What us the volume of this?
ExtremeBDS [4]
Break down the figure into 2 parts. Then use volume formula and multiply.
V=lwh
V=3x3x2
V=18ft^2

V=lwh
V=2x2x3
V=12ft^2
Then simply add.
  18
+12
-------
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5 0
2 years ago
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Sorry i'm the most non-smart person on the planet someone help me please! PLease show work.
Tpy6a [65]

Answer:

25

Step-by-step explanation:

The whole straight line is 180 And the angles are adjacent.

180-125 which equals 55

trying to find X so subtract 30

55-30=25

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muminat

Answer lit

Step-by-step explanation:

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