there are about 100 million smartphones in the U.S. your teacher has one smartphone. what share of US smartphones does your teacher have? express your answer using a negative power of 10.

Answers

Answer 1

Answer: $100 000 000 = 10^(8)$

$(1)/(100 000 000) = 10^(-8)$

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What is 5 over 18 divided by 2 over 6

Answers

5/18 divided by 2/6 is as follows:
5/18 x 6/2: change division to multiplication then flip 6/2,
Next:
factor 6 and 18 as 1 and 3 since the gcf is 6.
New Equation is:
5/3 x 1/2 = 5/6

What’s 4(-8x+5)-(33x-26)=

Answers

Answer:

x = -6/65

Step-by-step explanation:

Perform the indicated multiplications: 4(-8x+5) - 1(33x-26), obtaining:

-32x + 20 - 33x + 26

Combining like terms, we get

-65x = 6, or

x = -6/65

Rosa needs to mail two packages one weighs five Eighths of a pound and other ways two thirds of a pound what is the total weight of the to packages ?how much heavier is Rosa second package than the first ?

Answers

The total weight of the packages is 5/8 = 0.625 + 2/3 = 0.666 i.e. 1.291 Pound.
TO be precise 2/3 would be 0.666666667, so technically the total weight of the two packages is 1.291666667 Pound.
To calculate the exact difference between Rosa's first and second package, we would have to subtract the weight of the second package with the weight of the first package: 0.666666667 - 0.625 = 0.041666667.
So, Rosa's second package is heavier by 0.041666667 pound.

so one weighs 5/8 and the other weighs 2/3 pound
make bottom number same
multiply 5/8 by 3/3 and multipy 2/3 by 8/8
5/8=15/24
2/3=16/24
add them together
15/24+16/24=31/24=1 and 7/24 pound
total weight is 1 and 7/24 pound

1st package=15/24
2nd package=16/24
subtract
16/24-15/24=1/24
the second package is 1/24 pound heavier

Is 6.00289467 less than 6

Answers

No. Imagine the 6 as
6.00000000 and the
6.00289367 is slightly greater than that

no because 6.00289467 is more than just 6

The length of a rectangle is twice its width. The perimeter of the rectangle is no more than 174 cm. What is the greatest possible value for the width? (a) Write an inequality to model the problem. Explain why the inequality models the problem.
(b) Solve the inequality. Show your work.
(c) Answer the question.

Answers

a.2x+4x≤174 or y+x≤174 or x≤174
This is because x stands the width and that the perimeter.
b. 6x≤174
x≤29
c. The greatest possible value is 29.

Esteban has a big jar of change in his room. He has 600 coins total, and 240of them are pennies.
What percentage of the coins are pennies?

Answers

You just have to divide 240 by 600 and then multiply that by 100. So it will be 40%

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