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solmaris [256]
3 years ago
13

Please please please help me thanks

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0

Answer:

1. 57       2. 81

Step-by-step explanation:

71x2=142   256-142=114/2= 57

5103/63= 81

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If you can, give the explanation. I'm finding these very difficult.
Goryan [66]

Answer:

Gustavo

Step-by-step explanation:

if anything this looks like 38-19n, if the first term is n=1.

But as that isn't an option, gustavo should be correct, as his sequence would go down by 19 each time (yuki's would go up by 19 each time, not down like the sequence shows)

3 0
3 years ago
If f(x) = [x] – 5, what is f(8.6)?<br> 3<br> 4<br> 8<br> 9
shutvik [7]

Answer:

Step-by-step explanation:

The strange thing about the greatest integer function is that the number you are evaluating the function at is not actually the number unless its an integer.  The rule is to round down, ALWAYS, if you are dealing with a value of x that is not an integer.  In other words, you are NOT evaluating the function at 8.6, you have to round down to 8 and evaluate it there.  8 - 5 = 3

3 0
4 years ago
Read 2 more answers
A food store makes a 11–pound mixture of peanuts, almonds, and raisins. The cost of peanuts is $1.50 per pound, almonds cost $3.
arlik [135]
Given: 11-pound mixture of peanuts, almonds, and raisins
Cost:
peanuts - 1.5 per pound
almonds - 3 per pound
raisins - 1.5 per pound

mixture:
twice as many peanuts as almond; total cost of mixture is 21.

a + p + r = 11 lbs
a + 2a + r = 11 lbs
3a + r = 11
r = 11 - 3a

1.5(2a) + 3a + 1.5r = 21
3a + 3a + 1.5r = 21
6a + 1.5r = 21
6a + 1.5(11-3a) = 21
6a + 16.5 - 4.5a = 21
6a - 4.5a = 21 - 16.5
1.5a = 4.5
1.5a/1.5 = 4.5/1.5
a = 3

almonds = 3 lbs
peanuts = 2a = 2(3) = 6lbs
raisins = 11 - 3a = 11 - 3(3) = 11 - 9 = 2 lbs

<span>My answer is: C. 6 lbs peanuts, 3 lbs almonds, 2 lbs raisins </span>
8 0
3 years ago
Read 2 more answers
25 mi/hr is equal to m/min
svp [43]
In minutes it is 1500 min because if you just multiply 25 and 60 it equals 1500. I got the 60 from 60 sec. in one minute.
8 0
4 years ago
Diana is solving the inequality 2x−14≤8.
Rainbow [258]

Answer:

The number line on the top right

Step-by-step explanation:

Her solution should be

2x - 14 ≤ 8

   x ≤ 22

     x ≤ 11  

'x' is less than or equal to 11.

8 0
3 years ago
Read 2 more answers
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