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Sladkaya [172]
1 year ago
13

3 increased by a number

Mathematics
2 answers:
zimovet [89]1 year ago
6 0

Answer:

4 or5or6

Step-by-step explanation:

3+1=4

3+2=5

3+3=6

Lerok [7]1 year ago
6 0

Answer:

\large\boxed{3+d}

Step-by-step explanation:

How to increase 3 by a number?

In maths, increasing is the same as adding. So we add a number (let the number be d) to 3: 3+d

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A simple random sample of 12 iPhone's being sold over the Internet had the
bearhunter [10]

Answer:

The upper bound is 399.5

Step-by-step explanation:

Let's start by calculating the mean value of the distribution as the addition of all values given divided by 12:

Average = 289.75.

If the standard deviation is 56, then the upper bound in 95% the confidence interval for the mean price of the phones is going to be given by the mean value added to 56 times 1.96 (since 95% of the population is withing 1.96 times the standard deviation)

That is: 289.75 + 56 * 1.96 = 399.51

which rounded to one decimal place gives: 399.5

7 0
3 years ago
the perimeter of a scalene triangle is 14.5 cm. the longest side is twice that of the shortest side. which equation can be used
madreJ [45]
Let a = longest side      <em> (Establishing labels)</em>
let b = shortest side
let c = third side

P = 14.5                <em>     (Given)</em>
a = 6.2
b = 1/2(a)

P = a + b + c
P = 6.2 + 3.1 + c        <em>(Fill in given info in equation)</em>

P = 9.3 + c                <em>(Simplify)</em>

14.5 = 9.3 + c           <em>(Simplify)</em>

c = 14.5 - 9.3           <em>(Solve)</em>
c = 5.2

Hope this made sense!
5 0
3 years ago
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Answer: x=4 y=14 z=4

Step-by-step explanation:

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5 0
3 years ago
What is the answer to 5x-7=13
liubo4ka [24]

Answer:

x=4

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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6 0
2 years ago
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