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Usimov [2.4K]
3 years ago
13

Last question of my homework pls <3​

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

J(2, 5 )

Step-by-step explanation:

Using the section formula

x_{J} = \frac{1(-2)+2(4)}{2+1} = \frac{-2+8}{3} = \frac{6}{3} = 2

y_{J} = \frac{1(1)+2(7)}{2+1} = \frac{1+14}{3} = \frac{15}{3} = 5

Thus J = (2, 5 )

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25A2B is a 5-digit number. If the number is divisible by 5 and 9, find all the possible values of A and B. Explain also.
3241004551 [841]

Answer:

25020, 25920, 25425

Step-by-step explanation:

To find if our number is divisible by 5 the number must end with 0 or 5, divisibility by 9 is if sum of all numbers in number is divisible by 9,

We know B must end with 0 or 5

1. Case 25A20 sum of that number is 9 so if we pick 0 as A we have first number because 9/9=1

We can put A as 9 because 18/9=2

2. Case B = 0, sum is 14 so we need pick A as 4 to get 18.

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3 years ago
A problem requires finding the distance traveled in miles. Which would not be a reasonable​ answer? Justify your response. A.  m
kap26 [50]

Answer:

<em>A.   minus 10,</em>

Step-by-step explanation:

The distance travelled must be positive.

Therefore minus 10 would not be a reasonable answer.

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3 years ago
ABC est un triangle rectangle en B.<br> On donne : AB = 7:BC = a et AC = a +5.<br> Calcule a
Afina-wow [57]

Answer:

Step-by-step explanation:

salut :

en utilisant le theorem de Pythagore on obtient :

AC²= AB² + BC²

(a+5)² = 7²+a²

a²+10a+25 = 49+a²

10a+25 =49

10a =24

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3 years ago
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gulaghasi [49]

Answer: i think it's 64

8 0
3 years ago
A solid aluminum cube has sides each of length L . A second cube of the same material has sides four times the length of the fir
Alenkasestr [34]

Answer:

Compared to the first cube, the total surface are of the second cube is 16 times larger.

Step-by-step explanation:

The first cube has L*L*6=6L²

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Compared to the first cube, the total surface are of the second cube is 16 times larger.  (6*16=84)

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3 years ago
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