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sergeinik [125]
3 years ago
7

How can multiplication be used to check your division equation answer?

Mathematics
1 answer:
Zolol [24]3 years ago
4 0
Multiplication and division are opposites and can be used to undo each other. 
For example, 
4/2=2
But if you take the quotient and multiply it by the divisor
2x2=4
you get the original dividend
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200% of X is 34. What is x?
ella [17]

Step-by-step explanation:

200% of x =34

\frac{200}{100}  \times x = 34

2 \times x = 34

2x = 34

divide \: both \: sides \: by \: 2

\frac{2x}{2}  =  \frac{34}{2}

x = 17

5 0
3 years ago
Read 2 more answers
Aisha wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 76
lozanna [386]

Using the t-distribution, the 90% confidence interval for the number of chocolate chips per cookie for Big Chip cookies is (8.374, 9.426).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • t is the critical value.
  • n is the sample size.
  • s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed 90% confidence interval, with 76 - 1 = 75 df, is t = 1.9921.

The other parameters are given as follows:

\overline{x} = 8.9, s = 2.3, n = 76.

Hence the bounds of the interval are:

\overline{x} - t\frac{s}{\sqrt{n}} = 8.9 - 1.9921\frac{2.3}{\sqrt{76}} = 8.374

\overline{x} + t\frac{s}{\sqrt{n}} = 8.9 + 1.9921\frac{2.3}{\sqrt{76}} = 9.426

More can be learned about the t-distribution at brainly.com/question/16162795

#SPJ1

4 0
2 years ago
Write an equation based on the table below
Readme [11.4K]
Y= 15(x) should be your equation based on the table below
7 0
3 years ago
Pls help I can’t solve this
lorasvet [3.4K]

Answer:

61.6 - 31.4 - 8 - 138. So, A to F, F to J, J to K, and K to Escape

Step-by-step explanation:

To find circumference:

C=2πr

To find Area:

A=πr2

:)

8 0
2 years ago
N=r (A-s) what is s
Lerok [7]

r(A-s)=N\ \ \ \ |\text{use distributive property}\\\\rA-rs=N\ \ \ \ |-rA\\\\-rs=-rA+N\ \ \ \ |:(-r)\neq0\\\\\boxed{s=\dfrac{rA-N}{r}}

4 0
3 years ago
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