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motikmotik
3 years ago
15

Which of the following expressions are equivalent to 20t5⋅2−4t?

Mathematics
1 answer:
avanturin [10]3 years ago
8 0

Answer:mark brain list answers

mark

get 3 point

freee

Step-by-step explanation:

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Dimensions of a building are 740 feet by 800 feet. If 1 inch represents 8 feet, what are the dimensions of the building on the d
Scrat [10]
The dimensions of the building on the drawing would be 92.5 inches by 100 inches.
Explanation:
if 1 inch = 8 feet, then you just subtract 8 by 740 and 800 to get the dimensions.
4 0
3 years ago
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Draw a model... write an equation and solve....this is the directions for a  4th grade math homework problem....Help?????
padilas [110]
Boxers = b
Spaniels = s

b=s*4
s+b=30

Now you have two equations - one that tells you the number of boxers in relation to spaniels and one telling you the number of each breed in relation to the total number of dogs. Solve using substitution.

s+(4*s)=30 \\ 4s+s=30 \\ 5s=30 \\ s=6

There are 6 spaniels.
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3 years ago
Nikola likes to play horseshoes, where players try to score a ringer by throwing a horseshoe so it lands around a post. A player
steposvetlana [31]

Answer:

0.9 for the top box and 1.68 for the bottom box

Step-by-step explanation:

give me brainliest answered on khan academy

8 0
3 years ago
Pls help me solve this problem!!
ddd [48]

Answer:

49.85

Step-by-step explanation:

41 is the mean, so half of the daily requests are above that number, half below, the question is about numbers above the mean, so the lower numbers won't be included in the percentage.

The difference between 59 and 41 is 18. The standard deviation given is 6.

18 ÷ 6 = 3  So that is 3 standard deviations. The empirical rule states that 99.7 of all values are within 3 standard deviations from the mean. But we are looking at only the upper half of those values so 99.7 ÷ 2 = 49.85 %

If the answer asks for approximate, you could round to 49.9 or 50.

And tell the math people to learn the correct spelling of fluorescent!

4 0
3 years ago
WRITE AN COMPOUND INEQUALITY FOR THIS SENTENCE
Mila [183]
Hello there!

Write a compound inequality for this sentence: 'w' is less than 4 and greater than or equal to -8
Only use 'w' once.


W is less than four ~ 4 \ \textgreater \ w

W is greater than or equal to -8 ~ w \geq -8

If we were to put this together, it would look like:

4 \ \textgreater \  w  \geq  -8


I hope I helped!

Let me know if you need anything else!

~ Zoe
7 0
3 years ago
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