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astra-53 [7]
4 years ago
11

The price of a bracelet was decreased by 30% to £63. What was the price before the decrease?

Mathematics
1 answer:
Dmitrij [34]4 years ago
3 0

Answer:

90

Step-by-step explanation:

If the original price of a bracelet was a

70%a = 63

70/100a = 63

a = 63 × 100/70

a = 90

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Pls help me with this question
vodomira [7]

Answer:

The answer is $215,942.7

5 0
3 years ago
Three friends each create 4 bags of starter bread dough. After ten days, each of those four bags is then divided into four more
Lapatulllka [165]

Answer:

55 days

Step-by-step explanation:

<u>Number of bags of dough is 192</u>

<u>You have to calculate the number of days.</u>

<em>After 10 days, 4 bags are divided into 4 more bags: 4 + 4 =8</em>

<em>After 20 days: 8 + 8 = 16 </em>

<em>After 30 days: 16 + 16 = 32</em>

<em>After 40 days: 32 + 32 = 64</em>

<em>After 50 days: 64 + 64 = 128</em>

After 55 days: 128 + 64 = 192 (5 days will be considered since it is doubled in 10 days and this time it is divided into half the amount)

Therefore, 55 days pass before 192 bags of dough are created.

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7 0
4 years ago
Find the circumference of the circle.Use 3.14 for pi<br> 14 ft
Ber [7]
<h2>circumference = 87.92ft</h2>

Step-by-step explanation:

radius (r) = 14ft

circumference = 2π×r

= 2 × 3.12 × 14

= 87.92ft

<h2>MARK ME BRAINLIST</h2>
4 0
3 years ago
Which of the following is NOT true of using the binomial probability distribution to test claims about a​ proportion? Choose the
Drupady [299]

Answer:

The correct option is;

D. This method uses the binomial probability distribution with the P-value method ans uses the value of p assumed  in the null hypothesis

Step-by-step explanation:

Here we have the binomial probability distribution is used to test claims about a proportion then the requirement is np > 5 and nq >5

In a left-tailed test, the P value is the probability of getting x or fewer successes among n trials while in a right tailed test, the P-value is the probability of getting x or more successes among n trials

However, the P-value where a binomial distribution is used to test a claim about a proportion is derived from the z score of the parameters of the statistic and not from the p assumed in the null hypothesis.

6 0
3 years ago
Gibraltar Construction was granted a 1-year construction loan of $650,000 to finance the construction of an apartment complex. G
GrogVix [38]
Given:
loan: 650,000
prime rate: 8.75%
interest rate of 0.75% ordinary interest over the prime rate

Interest rate: 8.75% + 0.75% = 9.5%

650,000 x 9.5% x 1 =  61,750 interest

maturity value: 650,000 + 61,750 = 711,750

5 0
3 years ago
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