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Artyom0805 [142]
3 years ago
15

Common letter-sized paper used in the united states has what dimensions? 8.27" x 11.69" 8.5" x 14" 8.5" x 11" 8" x 11.5"

Mathematics
1 answer:
slava [35]3 years ago
8 0
It measures 8.5 by 11.0 inches (215.9 by 279.4 mm). US Letter size paper is a standard defined by the American National Standards Institute (ANSI).

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a metal bar weighs 80 ounces. 90% of the bar is silver. how many ounces of silver are in the bar? (round to the nearest thousand
UkoKoshka [18]

Answer:72 ounces

Step-by-step explanation:

The correct answer is 72 ounces. In order to reach this answer you need to multiply 80 times .9, which equals 72.

7 0
3 years ago
Nikolai has a jar filled with 120 marbles. he has 72 red marbles, 17 blue marbles, 13 green marbles, and 18 purple marbles. what
asambeis [7]
To find the probability of both of these occurring, you will multiply the probability of choosing a blue marble by the probability of choosing a purple marble (with no replacement after the first one).

Probability of choosing a blue marble:  17/120
Probability of choosing a purple marble: 18/119

17/120 x 18/119 = 3/140

You will have a 3/140 chance of both of these occurring.
4 0
3 years ago
Does the graph represent a function?
velikii [3]
I believe function but I’m also not super good in math
8 0
3 years ago
Read 2 more answers
What is this? anyone help​
qwelly [4]

Answer:

-a^2 -a -35

Step-by-step explanation:

a(4-a) -5(a+7)

Distribute

4a -a^2 -5a-35

Combine like terms

-a^2+4a -5a-35

-a^2 -a -35

4 0
3 years ago
Please help me, worth LOTS of points
Aliun [14]

Answer:

a) 91\,+\,0.14 \,x \leq 140   where "x" stands for the number of miles driven.

b) He can drive as far as 250 miles to keep the rental cost limited to $140.

Step-by-step explanation:

a) Robert wants to make sure that the addition of the costs coming from the car rental per week ($91) plus the amount paid for the coverage of "x" number of miles (which goes as $0.14 times x) does not exceed $140 (which is the same as saying that this total cost must be smaller than or equal to $140.

In math terms, such is written as:

91\,+\,0.14 \,x \leq 140

where "x" stands for the number of miles driven.

b) the total number of miles (x) he is allowed to cover given the $140 restriction is obtained by solving for "x" (the number of driven miles) in the inequality of part a):

91\,+\,0.14 \,x \leq 140\\0.14\,x\leq 140-91\\0.14\,x\leq 49\\x\leq \frac{49}{0.14} \\x\leq 350

which tells us that the number of driven miles (x) has to be smaller or equal to 350 miles. Then he can drive as far as 250 miles to keep the rental cost limited to $140.

4 0
3 years ago
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