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Pavlova-9 [17]
3 years ago
7

if you know that 7 x 8=56, how can you use the commutative property of multiplication to find the product of 8 x 7 ?

Mathematics
1 answer:
Fofino [41]3 years ago
5 0
Its the same thing because your just switching the order which doesn't matter when your adding or multiplying
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A roll of one die has six possible outcomes. Use the product counting principle to determine the total number of outcomes for a
Yuki888 [10]
There are 36 possible outcomes.

There are 6 outcome for the first die and 6 outcomes for the second die.  The fundamental counting principle states that to find the total number of outcomes of these independent events, we multiply:

6(6) = 36
3 0
3 years ago
NEED ANSWERS ASAP
4vir4ik [10]

Answer:

hi sry i dont get what to write for an expression cause i dont have  a number but i can tell you what to do! to find out what 15% of something is divide the number by 100 and the number you get after dividing multipy by 15 and you have you answer then all you have to do is put it in a expression!

Step-by-step explanation:

6 0
3 years ago
Complete the table of values for the function f(x) = (1/3)x for a, b, and c. x : -2, -1, 0, 1, 2. f(x) : a, b, c, 1/3, 1/9
balu736 [363]

Given:

The function is

f(x)=\left(\dfrac{1}{3}\right)^x

To find:

The missing values for a, b, and c in the given table.

Solution:

We have,

f(x)=\left(\dfrac{1}{3}\right)^x

At x=-2,

f(-2)=\left(\dfrac{1}{3}\right)^{-2}

a=\left(3\right)^{2}         \left[\because \left(\dfrac{a}{b}\right)^{-n}=\left(\dfrac{b}{a}\right)^{n}\right]

a=9

At x=-1,

f(-1)=\left(\dfrac{1}{3}\right)^{-1}

b=\left(3\right)^{1}         \left[\because \left(\dfrac{a}{b}\right)^{-n}=\left(\dfrac{b}{a}\right)^{n}\right]

b=3

At x=0,

f(0)=\left(\dfrac{1}{3}\right)^{0}

c=1         \left[\because a^0=1, a\neq 0\right]

Therefore, the missing values of a,b and c are 9, 3, and 1 respectively.

8 0
2 years ago
Read 2 more answers
This year’s school population in Waterloo is 135 percent of last year’s school population. This year’s student population is 756
sp2606 [1]

Answer:560

Step-by-step explanation:

Let a be the number of students the school have last year

135% of a=756

135/100 x a=756

135a/100=756

Cross multiplying we get

135a=756 x100

135a=75600

Divide both sides by 135

135a/135=75600/135

a=560

6 0
3 years ago
Solve the following system of equations: 2x - y = 7
wlad13 [49]

Answer:

Step-by-step explanation: Not too sure how to explain it this is how you simplify it pretty sure

2x-y=7

+2x    +2x add to both sides to get y alone because it has no friends

___________

-y=7+2x get rid of the negative on the y value

__________

y= -2x -7

5 0
3 years ago
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