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irinina [24]
3 years ago
12

Please help me with problem 1 of Properties of Multiplication with Whole Numbers

Mathematics
1 answer:
kobusy [5.1K]3 years ago
8 0

This is the associative property, since any numbers can <em>associate </em>with each other, via the parentheses.

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LOTS OF POINTS!! A cyclist rides a 25 mile stretch of road at a constant speed. It takes her 90 minutes to ride the 25 miles . A
sattari [20]
25m/90minutes = .278 mile/minute

Divide 25/90 to get .278

Hope that helps
7 0
3 years ago
Please help me with these?? Work needs to be shown.
Y_Kistochka [10]

Answer:

Step-by-step explanation:

7) Area = 615.75 sq. km

πr² = 615.75

3.14*r² = 615.75

r² = 615.75/3.14 = 196

r = √196

r = 14 km

8) circumference = 15.71 yards

πd = 15.71

3.14*d = 15.71

d = 15.71/3.14  = 5 yards

9)Area = 415.48 sq.inches

πr² = 415.48

3.14*r² = 415.48

r² = 415.48/3.14 =  132.31

r = √132.31

r = 11.5 inches

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8 0
3 years ago
Solve the system of equations and choose the correct ordered pair. 
Ksivusya [100]
L.H.S is already equal, so just subtract 1st equation from second, 
2y = 12
y = 6

Now, substitute it in 1st equation, 
2(6) = 4x + 8
4x = 12 - 8
x = 4/4
x = 1

In short, Your Answer would be Option C) (1, 6)

Hope this helps!
3 0
3 years ago
If I roll a standard number cube (labeled 1 to 6), and I roll it twice, what is the probability that I roll an odd number each t
suter [353]

Answer:

It is a 50% chance that you will roll and odd number each time.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Tanzila is selling tickets to the MS127 musical. On the first day of ticket sales she sold 2 adults tickets and 10 child tickets
vekshin1

Answer:

One adult ticket is $4 and one child ticket is $7

Step-by-step explanation:

Make a system of equations

2x + 10y = 78

8x + 5y = 67

Solve by elimination, multiply the 2nd equation by -2

2x +10y = 78

-16x -10y = -134

Add the equations

-14x = -56

x = 4

The price of one adult ticket is $4

Plug 4 in as x to find y

2(4) + 10y = 78

8 + 10y = 78

10y = 70

y = 7

The price of one child ticket is $7

4 0
3 years ago
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