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omeli [17]
2 years ago
5

Can you help me solve this Show your workings​

Mathematics
2 answers:
True [87]2 years ago
8 0
Card P is the answer
8*3=24
8*4=32
8*5=40
8_murik_8 [283]2 years ago
7 0

multiples of 8 are all the numbers which are divisible by 8, for eg: 8,16,24,32,40,48...

P card has all multiples of 8

hope it helps...!!!

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Maria has 7 more than 3 times how much money josh has in his savings. If josh has $505 , how much does maria have?
Rudiy27

Answer:

$1522

Step-by-step explanation:

M = 7 + 3*J

M = 7 + 3*505

M = 7 + 1515

M = 1522

3 0
2 years ago
an instructor grades on a curve by assuming that grades on a test are normally distributed. If the average grade is 80 and the s
sweet [91]

Step-by-step explanation:

According to normal distribution curves following a bell curve formula, it is followed that

34% of people will lie between Mean point and one positive standard deviation

34% of people will lie between Mean point and one negative standard deviation

14% of people will lie between Mean point and two positive standard deviation

14% of people will lie between Mean point and two negative standard deviation

2% of people will lie between Mean point and three positive standard deviation

2% of people will lie between Mean point and three negative standard deviation

Now following this principle, we are given that mean score is 80 and standard deviation is 8, hence the interval for grades would be;

Grade A ; Score greater than 96

Grade B : Score greater than 88 and less than or equal to 96

Grade C : Score greater than 80 and less than or equal to 88

Grade D : Score greater than 72 and less than or equal to 80

Grade E : Score greater than 64 and less than or equal to 72

Grade F : Score less than 64

3 0
3 years ago
Find all relative extrema of the function. use the second derivative test where applicable. (if an answer does not exist, enter
Alinara [238K]
The given quadratic describes a parabola that opens upward. Its one absolute extreme is a minimum that is found at x = -3/2. The value of the function there is
  (-3/2 +3)(-3/2) -1 = -13/4

The one relative extreme is a minimum at (-1.5, -3.25).

_____
For the parabola described by ax² +bx +c, the vertex (extreme) is found where
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Here, that is x=-3/(2·1) = -3/2.

7 0
3 years ago
a road crew finished building a road.if the crew took 5 5/6 days how many kilometers of the road did they do each day
Leto [7]

Answer:

A construction crew has just finished building a road. The crew worked for 5 5/6 days. how many kilometers long, how many kilometers of road did they build each day? (Assume they built the same amount each day.) hope this helps  ; )

Step-by-step explanation:

4 0
3 years ago
Jeremy and Brenda drove their cars in
harkovskaia [24]

Answer: Jeremy drove 84 miles.

Step-by-step explanation:

Let x represent the number of miles that Brenda drove.

If Jeremy drove twice

as far as Brenda, it means that the distance covered by Jeremy would be 2x miles

When they stopped after some time, they were already

126 miles apart. This means that the total distance covered by both of them is 126 miles. Therefore,

x + 2x = 126

3x = 126

x = 126/3

x = 42 miles

The number of miles that Jeremy drove is

42 × 2 = 84 miles

4 0
3 years ago
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