3 years ago

Name the method that is used to measure irregular shaped objects.

Mathematics

1 answer:

lys-0071 [83]3 years ago

5 0

Answer:

Displacement

Step-by-step explanation:

hope this helps !

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noname [10]

Answer:

<h2>A. x = -1 or x = 3</h2><h2>B. first</h2>

Step-by-step explanation:

$x^2-2x-3=0\\\\x^2+x-3x-3=0\\\\x(x+1)-3(x+1)=0\\\\(x+1)(x-3)=0\iff x+1=0\ \vee\ x-3=0\\\\x+1=0\qquad\text{subtract 1 from both sides}\\x=-1\\\\x-3=0\qquad\text{add 3 to both sides}\\x=3$

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3 years ago

Margin of error: 0.04; confidence level: 95%; from a prior study, bold p with bold overparenthesis on top is estimated by the de

GrogVix [38]

Answer: 235

Step-by-step explanation:

The formula to calculate the sample size :-

$n=(\hat{p}(1-\hat{p}))(\dfrac{z_{\alpha/2}}{E})^2$

Given : Estimated proportion $\hat{p}=0.89$

Margin of error : $E=0.04$

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2} =1.96$

Now, the required sample size will be :-

$n=(0.89(0.11))(\dfrac{(1.96)}{0.04})^2$

$\Rightarrow\ n= 235.057\approx235$

Hence, the required minimum sample size = 235

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3 years ago

Whats 2+2+2+2+2+2+2+2+2+2

eimsori [14]

Answer:

Step-by-step explanation:

there are 10 2s

2×10 =20

7 0

3 years ago

Read 2 more answers

In rectangle GRAM below GA =4×+17 and MR= 7x-4 find the value of x and the lenghts of GA MR

il63 [147K]

Answer: x=7, GA=MR=14

Step-by-step explanation:

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3 years ago

A man and his three children spent $40 to attend a show. A second family of three children and their two parents spent $53 for t

max2010maxim [7]

Answer:

It's $7

Step-by-step explanation:

7+7+7= 21 and add two $16 tickets and that's $53

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4 years ago