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Sever21 [200]
4 years ago
13

What is the next four numbers in the pattern below 20,15,10,5,

Mathematics
2 answers:
DerKrebs [107]4 years ago
8 0
0,-5,-10,-15. It is that simple. All you had to do is keep counting down.
Hope this helps :)
alina1380 [7]4 years ago
5 0


5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,


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1) if the sum of two prime numbers is divisible by 7 and is a perfect square, what is a possible product of these numbers?
Nuetrik [128]
1) The sum of 2 prime numbers is ALWAYS even, so if x and y are prime number,. then (x+y)/7  = z². In this case either x = 2 or y = 5 (or vice vera). This is the only possibility to be divisible by 7 . Then (5+2)/7 = 1² = 1

2) 5 pipes → 2 hours → 2 pools
then 1 pipe takes (5x2) 10 hours to fill 2 pools
or  1 pipe takes (10/2) 5 hours to fill 1 pool

3) It's 6/30 = 0.2 or 20%

4) 35% represent 7 Students, 100% of the class represent x students:
35%/7 = 100%/x
0.35/7 = 1/x (Cross multiplication) →0.35x = 7 and x = 7/0.35 → x = 20 students

5) Let K be the age of Katie and B her brother's
K + 2 = B  OR K  = x - 2 (Today)

In 12 years (B+12), B will be twice K  (remember K = B-2) →
B+12 = 2(K) OR B+12 = 2(B-2)
B+12 = 2(B-2) →
B+12 = 2B - 4→
12 + 4 = B and B = 16. If the brother is 16, then Kate is 14
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3 0
3 years ago
How can you change 9x-7y=-2 in slope intercept form
Anvisha [2.4K]
Slope-intercept form gives is y=mx+b where m is the slope of the line and b is the y-intercept.

You can see that in slope-intercept form the y term is alone. In order to convert 9x-7y=-2 into slope intercept form, you must isolate the y term.

First we'll subtract 9x from each side.
-7y=-9x-2

Now we can divide both sides by -7.
y= \frac{-9x-2}{-7}

Now we can simplify it.
y= \frac{9}{7}x+ \frac{2}{7}
4 0
3 years ago
a player has 31 hits in 117 times at bat. write the players batting average as a decimal. rounded to the nearest thousandth
natulia [17]
You would get 0.264957264957265 nearest thousandth get you to 0.265.
6 0
4 years ago
17.899 rounding to the nearest thenth
klio [65]

Answer:

17.9

Step-by-step explanation:

In 17.899 the tenth is .8 and because nine is greater than 5 the 8 becomes a 9

So in the end it looks like 17.9

Hope that helps and have a great day!

5 0
3 years ago
Read 2 more answers
at 9:00, paula has x cups of food in a container for her dog. paula pours a 2 1/2 cup box of food into the container. then she r
Leno4ka [110]
X + 2 1/2 - 3/4 = 5 1/4   To find x, go backwards in the equation.
5 1/4 + 3/4 = 6 cups
6 - 2 1/2 = 3 1/2 cups
x = 3 1/2 cups
5 0
3 years ago
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