MATHEMATICS HIGH SCHOOL

What is the standard form of the number in the calculators display?2.3e-9
A: 0.00000000023
B: 0.0000000023
C: 2,300,000,000
D: 23,000,000,000

Answers

Answer 1
Answer: The answer is gonna be B because its not a -9 only would be a positive.

Your welcome :)

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Arthur baked 1 7/12 dozen muffins. Nina baked 1 1/12 dozen muffins. How many dozen muffins did they bake?

Answers

Answer:

Total number of dozen muffins they both bake is 2(8)/(12)    

Step-by-step explanation:

Given : Arthur baked 1(7)/(12) dozen muffins. Nina baked 1(1)/(12) dozen muffins.

We have to find the total number of dozen muffins did they both bake.

To find the total number of dozen muffins did they both bake is equal to number of dozen of muffins Arthur bake and  number of dozen of muffins Nina bake

That is

Mathematically written as ,

Total number of dozen muffins = number of dozen of muffins Arthur bake + number of dozen of muffins Nina bake

Given : Arthur baked 1(7)/(12) dozen muffins

and Nina baked 1(1)/(12) dozen muffins.

Total number of dozen muffins = 1(7)/(12)+1(1)/(12)  

Simplify, we get,

Total number of dozen muffins = 1(19)/(12)+(13)/(12)  

Adding, we get,

Total number of dozen muffins = 1(19+13)/(12)=(32)/(12)  

Thus, Total number of dozen muffins they both bake is 2(8)/(12)    
they baked 2 dozen because each dozen is 12  so one did 17 + another did 11 = 28 and divide it by 12 get. 2 dozens.

Frankie has $40 in his wallet. He decided to buy a pair of earrings for his mom for her birthday. He spent 25% of his money on the earrings. How much were the earrings?

Answers

40x.25=10
He spent 10 dollars on them

0 What are the solutions to the equation 12. 2d – 71 = 60? d = [ Select and d = [Select ]​

Answers

D=65.5

Explanation

2d -71 = 60
+71. +71
Add 71 to both sides

2d/2=131/2

Divide by 2 on both sides

D=65.5

Factor
3x ^2 +20x+12

Answers

3x^2+20x+12=3x^2+18x+2x+12\n\n=3x(x+6)+2(x+6)=(x+6)(3x+2)

Find the LCM of 98 and 182.

Answers

Answer:

LCM = 1274

Step-by-step explanation:

98 = 2 × 7²

182 = 2 × 7 × 13

LCM(98 ; 182) = 2 × 72 × 13 = 1274

You are reducing a map of 24 in. by 36 in. to fit onto a piece of paper 8 in. by 10 in. What are the dimensions of the largest possible map that can fit on the page?

Answers

The largest possible map that can fit on the page is 8 in. by 12 in.

What is Ratio?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

We can begin by finding the scale factor by which the map needs to be reduced.

Since the map dimensions are 24 in. by 36 in., and we want to fit it onto a page that is 8 in. by 10 in.

We need to reduce each dimension by the same factor.

Let x be the scale factor:

24/x = 8

36/x = 10

Solving for x, we get:

x = 24/8 = 3

Therefore, we need to reduce the map by a scale factor of 3.

To find the dimensions of the largest possible map that can fit on the page, we divide the original map dimensions by 3:

24/3 = 8

36/3 = 12

Hence, the largest possible map that can fit on the page is 8 in. by 12 in.

To learn more on Ratios click:

brainly.com/question/1504221

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Since 10 in will be the longer side, to find the shorter did
x/10 = 24/36
x/10 = 2/3
x = 10•(2/3)
x = 6 2/3
So the dimensions are
6 2/3 in by 10 in
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