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hjlf
2 years ago
5

2.At the end of a school

Mathematics
1 answer:
Oksi-84 [34.3K]2 years ago
6 0

Answer:

descrptive statistics

Step-by-step explanation:

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Currently, the Toyota Corolla is the best selling car in the world. Suppose that during a test drive of two Corollas, one car tr
scoray [572]
Time = t = ?
Distance 1 = d1 = 224 miles
Distance 2 = d2 = 175 miles
speed1 = v1 = d1/t
speed2 = v2 = d2/t
Also, speed 1 = 14 + v2 (Given in the data)
OR speed 1 = 14 + d2/t
speed 1 = 14 + 175/t
224/t = 14 + 175/t
multiplying both sides (each term) by "t" we get
224 = 14t +175
OR 14t = 49
t = 3.5 hours
now, speed of 1st car = 224 miles / 3.5 hours
= 64 miles / hour
and speed of 2nd car = 175 miles / 3.5 hours
= 50 miles/ hour
5 0
3 years ago
Prove that linearly independent set extend to basis
Mrac [35]
The completion is certainly not unique. Multiplying any of the new vectors by a nonzero constant will not affect the span or the linear independence<span>, but will change the </span>basis<span>. </span>To prove<span> that you can </span>extend<span> any </span>linearly independent set<span> S to a </span>basis<span>, you proceed by an iterative argument. If S spans you are done. hope this helps :)</span>
5 0
4 years ago
The sum of 3 times a number and 4 is no more than 10 and no less than -8.
larisa86 [58]

Answer:

Equation  -8 ≤ 3n+4 ≤ 10

Solution -4 ≤ n ≤ 2

Step-by-step explanation:

sum of 3 times a number and 4

3n+4

is no more than 10  

3n+4 ≤ 10

and no less than -8

-8 ≤ 3n+4 ≤ 10

To solve

Subtract 4 from all sides

-8-4 ≤ 3n+4-4 ≤ 10-4

-12 ≤ 3n ≤ 6

Divide all sides by 3

-12/3 ≤ 3n/3 ≤ 6/3

-4 ≤ n ≤ 2

3 0
3 years ago
Which percent is equivalent to 3 2/5
SOVA2 [1]

3  \frac{2}{5} = 3.4

Multiply this by 100 to get your answer!

3.4 × 100 = 34%

So, therefore, 34% is your final answer.

Which percent is equivalent to 3 2/5? 34% is!

↑   ↑   ↑  Hope this helps! :D

3 0
4 years ago
Read 2 more answers
Jerry is a judge. He hears 5 cases in 2 3/8 hours. How many cases does he hear per hour
Serggg [28]

Answer:

Jerry does 2.11 cases per hour (Rounded to 2 decimal places). As we cannot do 0.11 cases. We can say Jerry does 2 cases per hour.

Step-by-step explanation:

to find the number of cases per hour, we have to divide the number of cases by number of hours taken for those cases,

Number of cases per hour = \frac{5cases}{2\frac{3}{8} hours}

                                             =\frac{5}{\frac{19}{8} } \\ cases per hour

                                             =\frac{5*8}{19} cases per hour

                                             =\frac{40}{19} cases per hour

                                              =2.11 cases per hour (Rounded to 2 decimal places)

As we cannot do 0.11 cases. We can say Jerry does 2 cases per hour.

4 0
4 years ago
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