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musickatia [10]
3 years ago
12

What is 0.42 10 times as much?

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0

Answer:

Answer is 4.2

Step-by-step explanation:

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Increase a price of £30 by 10%
Phoenix [80]

Answer:

£33

Step-by-step explanation:

A 10% increase is the same as multiplying a value by 1.1.

30 * 1.1 = 33

5 0
3 years ago
Read 2 more answers
Ellie borrows money at a year simple rate of 6 1/2% after 4 years ellie owes 39 interest
kupik [55]

Answer: Ellie borrowed $150.

Step-by-step explanation:

I = PRT

39 = P x 0.065 x 4

39 = P x 0.26

Divide both sides by 0.26

150 = P

6 0
2 years ago
Express the confidence interval (0.036, 0.086) in the form of p-e< p
lina2011 [118]

Answer:

p-e< p < p+e

(0.061 - 0.025) < 0.061 < (0.061 + 0.025)

0.036 < 0.061 < 0.086

Step-by-step explanation:

Given;

Confidence interval CI = (a,b) = (0.036, 0.086)

Lower bound a = 0.036

Upper bound b = 0.086

To express in the form;

p-e< p < p+e

Where;

p = mean Proportion

and

e = margin of error

The mean p =( lower bound + higher bound)/2

p = (a+b)/2

Substituting the values;

p = (0.036+0.086)/2

Mean Proportion p = 0.061

The margin of error e = (b-a)/2

Substituting the given values;

e = (0.086-0.036)/2

e = 0.025

Re-writing in the stated form, with p = 0.061 and e = 0.025

p-e< p < p+e

(0.061 - 0.025) < 0.061 < (0.061 + 0.025)

0.036 < 0.061 < 0.086

6 0
3 years ago
In circle P what is the measure(in degrees) of arc ADB?
ruslelena [56]

Answer:

A: 270 ,':)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Lin's father is paying for a $20 meal. He has a 15%-off for the meal. After the discount, a 7% sales tax is applied. What does L
MissTica

Answer:

18.19

Step-by-step explanation:

$20-15%=$17

$17+7%=18.19

6 0
3 years ago
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