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3 years ago

Which of the following is the most precise measurement?

Mathematics

1 answer:

kondaur [170]3 years ago

4 0

Answer:

2.345 cm

Step-by-step explanation:

The value has 4 significant digits. The others have either 1 or 2 sig figs. This infers that the measurement was made with a higher degree of precision that the others.

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Four sisters take turns using the computer an equal amount of time each night. They are allowed to use the computer from 4 p.m.

Fed [463]

Answer:

1.5 hours

Step-by-step explanation:

there are 6 hours in between the times of 4 and 10

so 4 sister split up 6 hours equally

to do this, we divide 6 and 4

6/4 = 1.5 hours

each sister can spend 1.5 hours on the computer

7 0

3 years ago

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Mae Ling earns a weekly salary of $380 plus a 5.0% commission on sales at a gift shop. How much would she make in a work week if

Margarita [4]

Calculate 5% of how much she sold, then add it to her weekly salary.

5% = 0.05

Commission: 4600 x 0.05 = $230

Total pay: 380 + 230 = $610

6 0

3 years ago

What is the area of a triangle with a base length of 14 feet and a height of 7 feet?

alexandr1967 [171]

Answer:

Step-by-step explanation:

8 0

3 years ago

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the sum of three consecutive numbers is five times the difference of the middle number and 22. find the numbers.

adelina 88 [10]

Let n be the smallest of the three numbers. Then

n + (n + 1) + (n + 2) = 5 ((n + 1) - 22)

Solve for n :

3n + 3 = 5 (n - 21)

3n + 3 = 5n - 105

2n = 108

n = 54

Then the three numbers are 54, 55, and 56.

5 0

3 years ago

A local bagel shop produces two products: bagels (B) and croissants (C). Each bagel requires 6 ounces of flour, 1 gram of yeast,

KengaRu [80]

Answer:

see below

Step-by-step explanation:

If we let X represent the number of bagels produced, and Y the number of croissants, then we want ...

(a) Max Profit = 20X +30Y

(b) Subject to ...

6X +3Y ≤ 6600 . . . . . . available flour

X + Y ≤ 1400 . . . . . . . . available yeast

2X +4Y ≤ 4800 . . . . . . available sugar

_____

Production of 400 bagels and 1000 croissants will produce a maximum profit of $380.

In the attached graph, we have shaded the areas that are NOT part of the solution set. (X and Y less than 0 are also not part of the solution set, but are left unshaded.) This approach can sometimes make the solution space easier to understand, since it is white.

The vertex of the solution space that moves the profit function farthest from the origin is the one we are seeking. The point that does that is (X, Y) = (400, 1000).

4 0

4 years ago