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Nikolay [14]
3 years ago
15

6th grade math lol

Mathematics
1 answer:
nikdorinn [45]3 years ago
6 0

Answer:

A. 30 for everyone in class | B. 12 Boys in the class

Step-by-step explanation:

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Jackson says has an odd number of model cars.he has 6 cars on one shel and 8 cars on another shelf.is jackson correct?explain
grigory [225]
No. It's rather simple, down to addition. Ask yourself, what does 6 + 8 equal? 6 + 8 = 14. Now is this an odd number? No, 14 is an even number.

I hope this helps! If not I'm sorry. 
4 0
3 years ago
Find the sum. <br> Homework: 9.4 arithmetic series
RUDIKE [14]

Answer:

Step-by-step explanation:

a1 = 3(1) - 7 = - 4

a2 = 3(2) - 7 = -1

d = a2 - a1

d = -1 - (-4)

d = -1 + 4

d = 3

a60 = 3(60) - 7

a60 = 180 - 7

a60 = 173

n = 60

Sum = (a1 + a60) * n / 2

Sum = (-4 + 173) * 60/2

Sum = (169)*30

Sum = 5070

==================

Just to check, we'll use the second summation formula

d = 3

n = 60

a1 = -4

Sum = (2*a1 + (n - 1)*d )*n / 2

Sum = (2*(-4) + (60 -1)*3)* 60/2

Sum = (-8 + 59*3) * 30

Sum = (177 - 8)*30

Sum = 169 * 30

Sum = 5070

Same answer.

5 0
3 years ago
A line passes through the point (10,-1) and has a slope of -1/2
-BARSIC- [3]

with a point given and the slope , you can find the the line, of this form,  THE EQUATION POINT SLOPE IS

Y-Y1= M(X-X1)  , Y-(-1) = -1/2( X- 10),   Y+1 = -1/2X+ 5, Y = -1/2 X +5 -1,  Y = -1/2X+ 4

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3 years ago
Point W bisects UV. Find UV if WV= 11 1/8 inches
schepotkina [342]
Just multiply 11 1/8 by 2 and u should get 22.25 so the length of UV is 22.25 inches
7 0
3 years ago
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Ella has 50stacks of ten pennies how many pennies ella has in all?
dedylja [7]

Ella has 500 pennies.

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3 years ago
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