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2 years ago

Convert 77 degrees in Fahrenheit to Celsius temperature using the formula . 72°C 61°C 35°C 25°C

Mathematics

1 answer:

faust18 [17]2 years ago

8 0

Answer:

25º celsius

Step-by-step explanation:

The formula for converting fahrenheit to celsius is: Deduct 32, then multiply by 5, then divide by 9

77 - 32 = 45 x 5 = 225/9 = 25º

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The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the e

gizmo_the_mogwai [7]

Answer:

The large sample n = 1713.96

Step-by-step explanation:

Explanation:-

given the population proportion was estimated to be 0.22

population proportion (P) = 0.22

The 95 % level of significance = 1.96≅ 2

The margin of error = 0.02

The formula of margin error

$\frac{2\sqrt{p(1-p)} }{\sqrt{n} } = 0.02$ … ( i )

Substitute 'p' values in equation (1)

$\frac{2\sqrt{0.22(1-0.22)} }{\sqrt{n} } = 0.02$

cross multiplication and simplification, we get

$2X0.414= 0.02 \sqrt{n}$

$\frac{2X0.414}{0.02} = \sqrt{n}$

$41.4 = \sqrt{n}$

squaring on both sides, we get

the large sample n = 1713.96

7 0

2 years ago

What is the average of the sixth even number, fifth and eighth odd number after 200?

ohaa [14]

Answer:

212 is the answer !

Step-by-step explanation:

Firstly, We'll have to write all the numbers till 220 after 200 that is :

201 , 202 , 203 , 204 , 205 , 206 , 207 , 208 , 209 , 210 , 211 ,212 , 213 , 214 , 215 , 216 , 217 , 218 , 219 , 220 .

Here we now know the the 6th even number is 212.

And the 5th odd number is 209.

And the 8th odd number is 215.

By using the formula we can find the average that is :

212+209+215/3 = 636/3 = 212

∴ Your answer is 212 !

3 0

2 years ago

Read 2 more answers

The ratio of the height of two similar cylinders is 4 to 3 What is the ratio of their volumes

ASHA 777 [7]

Answer:

64 : 27

Step-by-step explanation:

When using scale factors

Length = scale factor

Area = scale factor squared

Volume = scale factor cubed

The ratio is 4:3

The ratio of the volume is 4^3 : 3^3

64 : 27

7 0

2 years ago

Which answer represents the series in sigma notation?

Olegator [25]

$\displaystyle\sum_{j=1}^7\left(\frac14\right)^{j-1}$

8 0

2 years ago

How do you solve this question? you need to find the gradient of the straight line

pshichka [43]

Answer:

$m=\frac{1}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (0, 3)

Point (10, 8)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute [SF]: $m=\frac{8-3}{10-0}$
Subtract: $m=\frac{5}{10}$
Simplify: $m=\frac{1}{2}$

7 0

2 years ago

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