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Helen [10]
2 years ago
11

1.) Maggie has a collection of 1,200 Pennies. Of these, 25% are dated before 1980, 35% are dated from 1980-

Mathematics
1 answer:
Strike441 [17]2 years ago
4 0

Answer:

rest of them (40%)

Step-by-step explanation:

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A line that includes the points (9,
IceJOKER [234]
Your numbers are all over the place, I will assume that you are saying that the slope is 13.

Looking at the formula for calculating slope/gradient, it is Rise/Run. 
Rise/Run = y2 - y1 divided by x2 - x1. The reason for this is because if you minus one y value from the other y value you get the difference in values which is the rise, and if you minus one x value from the other x value you get the difference in value  which is the run. 

So by using this formula, you get:
 
(7 - 6) / (v - 9) = 13
Therefore 1/(v - 9) = 13
If you multiply both sides by (v-9), you get 1= 13v - 117
you rearrange it to 13v = 118
If you divide by 13, you get your answer = 9.0769

You can check your answer by putting this value back into the gradient formula.
 
(7-6)/(9.0769-9) 
=13.004
7 0
3 years ago
Which of the following integers is a solution to the inequality below?
natta225 [31]
I am not sure, but I checked my answer and I am right. Hope this helps, thank you :) !!

7 0
3 years ago
Which is more, 1 ton or 388 pounds?
Pavlova-9 [17]
1 ton = 2,000 pounds, so 1 ton would of course weigh more than 388 pounds
7 0
3 years ago
Read 2 more answers
The sum of the angles of a triangle is 180°. If one angle of a triangle measures x and the second angle measures
serious [3.7K]

Answer:

the third angle= 180-x-(4x+15)

Step-by-step explanation:

if we subtract the two other angles the result will be the measure of the last one

4 0
3 years ago
They're usually 365 days in each year every 4th year is call a leap year and has one extra day in February how many days are the
Mariana [72]

Answer:

Total number of days in 8 years is 2,922 days.

Step-by-step explanation:

Number of days in a Normal year  = 365 days

Number of days in a  leap year  =  366 days

Also, Leap year comes exactly ONE TIME in every FOUR YEARS.

⇒ In every consecutive 4 years, 1 year is a leap year.

⇒ So, number of leap years in 8 years  =   2

Now, 8 Years  = 6 Normal years +  2 leap Years

<u>Number of days in 6 normal years</u>

= 6 x ( Number of days in a regular year)

= 6 x (365 days)  = 2,190 days

<u>Number of days in 2 leap years</u>

= 2 x ( Number of days in a leap year)

= 2 x (366 days)  = 732 days

So, Total number of days in 8 years

= Number of days in 6 regular years  + Number of days in 2 leap years

= 2,190 days  +  732 days

= 2,922 days

Hence, total number of days in 8 years is 2,922 days.

5 0
3 years ago
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