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horrorfan [7]
3 years ago
15

Greatest common factor of 30, 48 and 72

Mathematics
2 answers:
miss Akunina [59]3 years ago
6 0

Answer:

6

Step-by-step explanation:

1. Factorize the numbers.

30 = 2 × 3 × 5

48 = 2^4 × 3

72 = 2³ × 3²

2. Find the number of times each prime factor appears in the factorization.

GCF = 2 × 3 = <u>6</u>

Alina [70]3 years ago
5 0
The greatest common factor would be 6, I believe.
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N.) Evaluate the expression (xy)? + 8, when x = 2 and y = 4.
kodGreya [7K]

Answer:

16

Step-by-step explanation:

x=2. y=4

following bodmas

2*4=8

  • 8+8=16
4 0
3 years ago
Read 2 more answers
Find the average rate of change of f(x)=2x-1 from x=-1 to x=2
MrMuchimi

The average rate of change from x = -1 to x = 2 is 2

<u>Solution:</u>

Given function is:

f(x) = 2x - 1

We have to find the average rate of change from x = -1 to x = 2

<em><u>The average rate of change is given as:</u></em>

\text {Average rate of change}=\frac{f(b)-f(a)}{b-a}

<em><u>The average rate of change from x = -1 to x = 2 is given by formula:</u></em>

\text {Average rate of change}=\frac{f(2)-f(-1)}{2-(-1)}\\\\\text {Average rate of change}=\frac{f(2)-f(-1)}{3}

<em><u>Find f(2) and f( - 1)</u></em>

<em><u>Substitute x = 2 in given function</u></em>

f(2) = 2(2) - 1 = 4 - 1 = 3

<em><u>Substitute x = -1 in given function</u></em>

f( - 1) = 2(-1) - 1 = -2 - 1 = -3

<em><u>Substitute the values in above formula,</u></em>

\text {Average rate of change}=\frac{3-(-3)}{3}=\frac{6}{3}=2

Thus average rate of change from x = -1 to x = 2 is 2

3 0
3 years ago
A girl has 18 eggs she uses half them uses one third of what’s left .afther what’s left she makes an omlet for some cookies.then
gizmo_the_mogwai [7]
Answer: 3

Explanation:
She has 18 and uses half, 18/2=9
So now she has 9 eggs left, she uses one third, 9/3=3 (3 eggs is one third)
Now she only has six eggs left, she used half of those six to make dinner 6/2=3
She now has 3 eggs remaining.
8 0
3 years ago
Alan hikes 4.5 miles in 3 hours. Determine whether quantities (distance and time) vary directly or inversely and find the consta
Mrac [35]
V = x/t = 4.5 mil / 3 h = 1.5 mph
Since, v = 1.5 mph (or we can say that v is constant), distance and time vary directly and the constant of variation is 1.5 mph.
3 0
3 years ago
2 to the 3rd power times 5 to the 2nd power
nirvana33 [79]

Answer:

200

Step-by-step explanation:

2×2×2=8

5×5=25

8×25=200

5 0
4 years ago
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