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Cloud [144]
3 years ago
13

Explain how to use the break apart strategy to find 495+254

Mathematics
1 answer:
Yakvenalex [24]3 years ago
4 0
This is helpful at grocery store and stuff

495+254=400+90+5+200+50+4=
400+200+90+50+5+4=
600+140+9=
600+100+40+9=
700+40+9=
749
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What is 0.6666666666 as a fraction
OleMash [197]
The answer is the fraction is 66/100 or simplified, 2/3<span />
6 0
3 years ago
Read 2 more answers
Euclid’s root beer mug is shaped basically like a cylinder that is eight inches tall with a radius of three inches. Aristotle’s
olchik [2.2K]

The Euclid's mug holds the most root beer.

Step-by-step explanation:

Euclid's mug :

Height = 8 inches

Radius = 3 inches

Volume = π(r x r) h

= (3.14) (9) 8

= 226.08 cubic inches

Aristotle's mug:

Height = 18 inches

Diameter = 4 inches

Radius = 2 inches

Volume = (1/3) π(r x r) h

= (1/3) (3.14) (4) 18

= 37.68 cubic inches

The Euclid's mug holds the most root beer.

3 0
3 years ago
A market researcher for Eric’s Electronics wants to study TV viewing habits of residents in Chicago. The individuals in the surv
Elena L [17]

Answer:

Step-by-step explanation:

Confidence interval is written in the form,

(Sample mean - margin of error, sample mean + margin of error)

The sample mean, x is the point estimate for the population mean.

Since the sample size is large and the population standard deviation is known, we would use the following formula and determine the z score from the normal distribution table.

Margin of error = z × σ/√n

Where

σ = population standard Deviation

n = number of samples

From the information given

1) x = 17.5

σ = 5

n = 50

To determine the z score, we subtract the confidence level from 100% to get α

α = 1 - 0.9 = 0.1

α/2 = 0.1/2 = 0.05

This is the area in each tail. Since we want the area in the middle, it becomes

1 - 0.05 = 0.95

The z score corresponding to the area on the z table is 1.645. Thus, confidence level of 90% is 1.645

Margin of error = 1.645 × 5/√50 = 1.16

Confidence interval = 17.5 ± 1.16

3 0
3 years ago
Does anyone know how to do this?
mr_godi [17]

Answer:

√45

Step-by-step explanation:

We know that according to the Pythagorean theory:

a²+b²=c²

I am pretty sure that a is 3 and b is 6. C remains unknown.

3 squared is nine and 6 squared is thirty six. 36+9 is 45.

Since the question says you should leave the answer in radical form, the answer is

c²=45

√c²=√45

This book will really help in Geometry and you can get it anywhere.

I hope this helps!

~°LampteyJ

8 0
3 years ago
Read 2 more answers
Please help me on question #2
OlgaM077 [116]
  • Product Rule of Radicals: √ab = √a × √b

So firstly, factor out i (i = √-1):

10i√80

Next, apply the product rule of radicals and simplify the radical as such:

√80 = √10 × √8 = √5 × √2 × √4 × √2 = 2 × 2 × √5 = 4√5

10i × 4√5 = 40i√5

<u>Your final answer is 40i√5.</u>

7 0
3 years ago
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