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lyudmila [28]
2 years ago
6

Maria has a pay rise. Her pay was £8 an hour. It is now £9.60 per hour. Calculate the percentage increase in Maria's pay. *Maria

has a pay rise. Her pay was £8 an hour. It is now £9.60 per hour. Calculate the percentage increase in Maria's pay.
Mathematics
1 answer:
Dvinal [7]2 years ago
3 0
£1.80 increase so about 15%
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A cylinder has a base diameter of 4 centimeters and a height of 4 centimeters. What is its volume in cubic centimeters, to the n
Bumek [7]

Answer:

50.3 cm³

Step-by-step explanation:

Use the cylinder volume formula:

V = \pir²h, where r is the radius and h is the height.

Since the radius is half of the diameter, and the cylinder has a diameter of 4 cm, this means the radius is 2 cm.

Plug in the radius and height into the equation:

V = \pir²h

V = \pi(2²)(4)

V = 16\pi

V = 50.3 cm³

7 0
3 years ago
Read 2 more answers
A. When comparing the "# of Bacteria" each hour, what is the number being multiplied by each time? *
LenaWriter [7]

Answer:

Part a) The number is 8

Part b) The initial number of bacteria is 4

Part c) y=4(8)^x

Part d) y=100(8)^x

Step-by-step explanation:

we know that

The equation of a exponential function is equal to

y=a(b)^x

where

y is the number of bacteria

x is the time in hours

b is the base of the exponential function

a is the initial number of bacteria

Part a) When comparing the "# of Bacteria" each hour, what is the number being multiplied by each time?

we know that

For x=1 h ----> y=32 bacteria

For x=2 h ----> y=256 bacteria

For x=3 h ----> y=2,048 bacteria

For x=4 h ----> y=16,384 bacteria

For x=5 h ----> y=131,072 bacteria

For x=6 h ----> y=1,048,576 bacteria

so

256/32=8

2,048/256=8

16,384\2,048=8

131,072/16,384=8

1,048,576\131,072=8

so

the base of the exponential function  b is 8

Part b) What is the initial number of bacteria? (at time zero)

we know that

The number of bacteria at time x=1 hour , divided by the number of bacteria at time x=0 must be equal to 8 (see part a)

so

\frac{32}{a}=8

solve for a

a=32/8=4\ bacteria

Part c) Write a rule for this table

we have

y=a(b)^x

we have

a=4\\b=8

substitute

y=4(8)^x

Part d) Suppose you started with 100 bacteria, but they still grew by the same growth factor. Write the function rule for this situation

In this case

a=100

b=8 ---> the growth factor is the same

so

y=100(8)^x

6 0
3 years ago
Read 2 more answers
Determine what information you would need to know in order to use the SSS Congruence Postulate to show that the triangles are co
PSYCHO15rus [73]
AD=BC for SSS postulate
6 0
3 years ago
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1. Angle g and angle h are:
bonufazy [111]
I need to see the picture so I can answer
6 0
2 years ago
3+2+4+68+6974+87643+8654
kirza4 [7]
3 + 2 = 5
5 + 4 = 9
9 + 68 = 77
77 + 6974 = 7051
7051 + 87643 = 94694
94694 + 8654 = 103348
7 0
3 years ago
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