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Stolb23 [73]
2 years ago
13

Imogen buys some sandwiches costing £3.50.

Mathematics
1 answer:
dezoksy [38]2 years ago
5 0
£0.7
Explanation:
3.50 x 0.2 = 0.7
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What's is the substitution ​
m_a_m_a [10]

Answer:

In English grammar, substitution is the replacement of a word or phrase with a filler word such as "one", "so", or "do" in order to avoid repetition.

Step-by-step explanation:

comment how it helps

5 0
3 years ago
Scarlet opened a savings account and deposited $100 as principal. The account earns 10% interest, compounded yearly. What is the
IrinaVladis [17]

Answer: the balance after 9 years is

$235.8

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1 + r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = $100

r = 10% = 10/100 = 0.1

n = 1 because it was compounded once in a year.

t = 9 years

Therefore,.

A = 100(1 + 0.1/1)^1 × 9

A = 100(1 + 0.1)^9

A = 100(1.1)^9

A = $235.8

5 0
3 years ago
A population is normally distributed with mean 18 and standard deviation 1.7. (a) Find the intervals representing one, two, and
elena55 [62]

Answer:

Interval within 1 standard deviation: (16.3,19.7)

Interval within 2 standard deviation: (14.6, 21.4)

Interval within 3 standard deviation: (12.9, 23.1)

Step-by-step explanation:

We are given the following in the question:

Population mean, \mu = 18

Standard deviation, \sigma = 1.7

We have to find the following intervals:

Interval within 1 standard deviation:

\mu \pm 1\sigma\\=18 \pm 1.7\\=(16.3, 19.7)

Interval within 2 standard deviation:

\mu \pm 2\sigma\\=18 \pm 2(1.7)\\= 18 \pm 3.4\\=(14.6,21.4)

Interval within 3 standard deviation:

\mu \pm 3\sigma\\=18 \pm 2(1.7)\\= 18 \pm 5.1\\=(12.9,23.1)

6 0
4 years ago
Find the value of x so that function has the given value j(x) = -6x + 2;j(x) = 20
bazaltina [42]

Answer:

-3

Step-by-step explanation:

4 0
3 years ago
21. Determine the number of weeks in 2.25 years
stiv31 [10]
There are 52 weeks in one year and 52•2=104 so in 2 years there is 104 weeks then take a quarter of 52 which is 13 and add it to 104 you will get 117 weeks in 2.25 years
3 0
2 years ago
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