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fgiga [73]
2 years ago
7

A car is moving at 45mph. Once the care starts to break, its speed(s) is related to the number of seconds(t) it spends breaking

according to the formula below.
S = -10t +45

Determine how many second it takes for the car to stop.
Mathematics
2 answers:
lana [24]2 years ago
8 0

Step-by-step explanation:

When the car stops, the speed is zero.

When S = 0, -10t + 45 = 0, t = 4.5.

Hence it will take 4.5 seconds for the car to stop.

Mekhanik [1.2K]2 years ago
3 0

Answer:

35=-10t +45, i think sorry if im wrong

Step-by-step explanation:

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Answer:

The vertex, (1.5, 40), tells us that it takes 1.5 seconds for the ball to reach its maximum height of 40 feet.

Step-by-step explanation:

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7 0
3 years ago
decide if 30x-12 could be the result of using the distributive property. If it is, possible combonation of factors whose product
sergij07 [2.7K]

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89

Step-by-step explanation:

4 0
3 years ago
Whitey calved an 87-pound calf on March 8. The calf was sold 245 days later
miskamm [114]
515 - 87 = 428
428/245 = 1.746938
To the nearest tenth = 1.7 lbs
4 0
3 years ago
What is 6.1% in simplest fraction form?
timama [110]

Answer:

Find the GCD (or HCF) of numerator and denominator. GCD of 6 and 1 is 1.

6 ÷ 11 ÷ 1.

Reduced fraction: 61. Therefore, 6/1 simplified to lowest terms is 6/1.

5 0
2 years ago
Read 2 more answers
18n squared + 57n -10
aniked [119]
Most people use the decomposition method but i dont know how to do that so i use the Joes method a method similar to decomp. but easier.
canadian way

Find gcf: None
complet trinomial: 18n^2+57-10
find the product=10(18)
                       =-180
find the sum     =57
-3 and 60 goes into both meaning if you multiply 3 and60 you get -180 and if you add them you get 57.

so (n-3)(n+60)
divide by a in this case it 18
so (n<u>-3</u>)(n+<u>60</u>)
       18     18
do not divide. treat it like a fraction so you reduce it to lowest terms
(n<u>-3</u>)(n<u>-3)
</u>   18   10
<u /> at this point its reduced to lowest terms so now you take the deniminator and move it beside the "n"

=(18n-3)(10n-3)

therefore your answer is (18n-3)(10n-3)
I hoped this helped :)
3 0
3 years ago
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