3 years ago

Before making invitations, Katrina counted the supplies she bought for her party.

2 answers:

5 0

The GCF of 36 and 81 is 9

36/9 = 4 water balloons
81/9 = 9 beads

Katrina can invite 9 friends, with each getting 4 water balloons and 9 beads

ale4655 [162]3 years ago

3 0

Answer:

C. 9

Step-by-step explanation:

9 is the largest number that can fit into both 36 and 81 without a remainder.

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Which of the following numbers is rational but not an integer A.0 B.3 C.-9 D.-4.3

Mashutka [201]

Answer:

Thus, every integer is a rational number. Clearly, 3/2,-5/3, etc. are rational numbers but they are not integers. Hence, every integer is a rational number but a rational number need not be an integer.

Step-by-step explanation:

7 0

3 years ago

Bad White [126]

first polygon

ext. angle=180°-120°

=60°

$ext \: ang = \frac{360}{n}$

n=360°/60°

n=6

second polygon

n=2(6)=12

ext. ang= 360°/n = 360°/12° = 30°

int. ang = 180°-30°= 150°

answer is C

6 0

3 years ago

Find the greatest common factor of these three expressions. 18x^2, 42x^4, and 30x^5

DanielleElmas [232]

Answer:I think the answer is 6x because

18= 6x3

42= 6x7

30= 6x5

Step-by-step explanation:

18= 6x3

42= 6x7

30= 6x5 And 6x(3x+7x^3+5x^4) it became 18x^2+42x^4+30x^5

4 0

3 years ago

Tickets to a pay cost 8 dollars each. Write an expression that gives the ticket cost in dollars for a group of g girls and b boy

Nana76 [90]

(g+b)*8

first add all of the people

and then multiply that by 8

7 0

3 years ago

(5x + 7)(5x – 7) Foil method

Pavlova-9 [17]

Answer:

25x-49

Step-by-step explanation:

5x×5x=25x 5x×-7= -35x

7×5x=35x 7×-7=-49

(combine like terms)25x+-35x+35x= 25

hope that helped you!

6 0

3 years ago