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mel-nik [20]
3 years ago
12

PLS HELP ME WITH 8. 3, 4, and 5 (SHOW WORKKK!!)

Mathematics
2 answers:
Keith_Richards [23]3 years ago
7 0
I cant see #8, 3 is a
frosja888 [35]3 years ago
4 0
For number 3, the answer is B because I use this equation which is 60/1, 120/2, 180/3, so I know that y=60x. For number 4, I know that the rate is 60 miles per hour, so I just take 450 divided 60 to get how long does it take to travel 450 miles which equal 7.5 hours which is A. For number 5, I know that 6 3/4 hours will equal 6.75 hours, so now I just need to take 60 times 6.75 hours to get how many miles does the train ride in 6.75 hours which equal 405 miles which is C. Hope it help!
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I need help on this.​
ale4655 [162]

Answer:

the x should be 10x7-(9x6)

Step-by-step explanation:

because it should be 10x7-(4+30)

3 0
3 years ago
Read 2 more answers
The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of year
Sedbober [7]

Answer:

25.8

Step-by-step explanation:

6 0
3 years ago
Please help i never learned this yet lol (Will mark brainliest!!) <br> thx!! :)
galben [10]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find a a pair of numbers of both 4y-4x=48 and y= x-11
stich3 [128]

Answer:

There is no solution because the slopes of the line are the same.

Step-by-step explanation:

4y - 4x = 48

    + 4x    + 4x        Add 4x to both sides

4y = 4x + 48          Divide both sides by 4

y = x + 12

Now set both equations equal to each other since they equal y

x + 12 = x - 11

-x         - x           Subtract x from both sides

12 ≠ -11                No Solution

If this answer is correct, please make me Brainliest!

4 0
3 years ago
Problem<br> How many numbers between 111 and 100100100 (inclusive) are divisible by 101010 or 777?
olga2289 [7]

I suspect you meant

"How many numbers between 1 and 100 (inclusive) are divisible by 10 or 7?"

• Count the multiples of 10:

⌊100/10⌋ = ⌊10⌋ = 10

• Count the multiples of 7:

⌊100/7⌋ ≈ ⌊14.2857⌋ = 14

• Count the multiples of the LCM of 7 and 10. These numbers are coprime, so LCM(7, 10) = 7•10 = 70, and

⌊100/70⌋ ≈ ⌊1.42857⌋ = 1

(where ⌊<em>x</em>⌋ denotes the "floor" of <em>x</em>, meaning the largest integer that is smaller than <em>x</em>)

Then using the inclusion/exclusion principle, there are

10 + 14 - 1 = 23

numbers in the range 1-100 that are divisible by 10 or 7. In other words, add up the multiples of both 10 and 7, then subtract the common multiples, which are multiples of the LCM.

6 0
3 years ago
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