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kirill [66]
3 years ago
15

Celia works in a candy shop. PLEASE HELP ASAP AND ONLY IF YOU KNOW CORRECT ANSWER!!!

Mathematics
1 answer:
Scrat [10]3 years ago
5 0

Answer:

£19

Step-by-step explanation:

£3.50

£3.50

equals £7

and 3 £4s equals £12

£7 + £12= £19

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As an aid to the establishment of personnel requirements, the director of a hospital wishes to estimate the mean number of peopl
erma4kov [3.2K]

Answer: 24.9793

Step-by-step explanation:

Given : The director randomly selects 64 different 24-hour periods and determines the number of admissions for each.

For this sample, he calculated a mean  \overlien{x}=396 and a standard deviation of 100.

The 95% confidence interval results in an interval of 396 \pm 24.9793

We know that the confidence interval for population mean is given by :_

\overlien{x}\pm E, where E is the margin of error.

By comparing this to the given interval , we find that the margin of error = 24.9793

5 0
3 years ago
Identify the lateral area and surface area of a regular triangular pyramid with base edge length 14 cm and slant height 15 cm
posledela

Answer:

D) L = 315 cm2 ; S = 399.9 cm2

Step-by-step explanation:

Lateral area;

3 × (½)(14)(15)

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Surface area:

315 + (½)(14)(14)sin(60)

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6 0
3 years ago
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What is the domain of the function h(w)=80/w
PtichkaEL [24]
D: (-infinity, 0) U (0, infinity) because you cant have a zero in the bottom of the fraction
4 0
3 years ago
Read 2 more answers
HELPPP PLEASEEEEEEEEE
liubo4ka [24]
Y=4x+7

So 4 is the rate of change because if you solve for y, x is the rate of change
4 0
3 years ago
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What is a square root and what does it do?
WINSTONCH [101]

Answer:

Hey

Definition:-

A square root is a number which produces a specific quantity when multiplied by itself.

Example:-

Suppose the area of a square of side 6 cm is given by 6 × 6 = 36 cm².

Therefore 36 is said to be the square of 6. We write 6² = 36 and we read the ‘the square root of 6 is 36' or simply ‘6 squared is 36.'

hope this helps

4 0
3 years ago
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