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Basile [38]
3 years ago
6

Mr. Davis has 15 students in his class he wants to send three of his students to pick up books for the class how many combinatio

ns of students can he choose

Mathematics
2 answers:
s2008m [1.1K]3 years ago
7 0
45 you multiply and get your answer. So 45 is your answer
rusak2 [61]3 years ago
6 0

Answer:

45 combinations

Step-by-step explanation:

15*3= 45

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Y=1/4 (x+2)(x – 6
gladu [14]
I have no idea I’m answering this because I need to ask more questions
4 0
2 years ago
Hannah is 2 times her sister’s age. The sum of their ages is no more than 18 years. 1) Write an inequality that can be used to r
svetoff [14.1K]

Answer:

1) x+2x\leq 18.

2) 6 years

Step-by-step explanation:

Let Hanna's sister be x years old.


Then Hanna will be 2x years old.


The sum of their ages will be x+2x years.

The statement "no more than 18" means the sum of their ages is less than or equal to 18.

The required inequality is;

x+2x\leq 18.

2)

The inequality we just found is


x+2x\leq18.

We simplify to get;

3x\leq 18.

we divide both sides by 3 to get;

x\leq 6.

Therefore the oldest age Hannah's sister can be is 6 years




3 0
3 years ago
gavin has 75 friends on an online game. His number of friends is increasing at A Rate of 4% per week. Which function represents
Nikolay [14]
R=4% or .04
a=75

y=a(1+r)^w
y=75(1+.04)^w
y=75 (1.04)^w
4 0
3 years ago
A<br> 68°<br> B<br> 32°<br> D<br> 77<br> 11x - 33<br> [?] с<br> Help Resour<br> Skip
kari74 [83]

Quadrilaterals are shapes with 4 sides. The correct inequality expression is x < 11

<h3>What are quadrilaterals?</h3>

Quadrilaterals are shapes with 4 sides. The given figure is a quadrilateral. The side opposite to 68 degrees is greater than the side opposite 32 degrees to have the equation;

11x - 33 < 77

Add 33 to both sides

11x - 33 + 33 < 77 + 33

11x <110

x < 110/10

x< 11

Hence the correct inequality expression is x < 11

Learn more on inequality here: brainly.com/question/24372553

#SPJ1

5 0
2 years ago
Find the value of x, rounded to the nearest tenth.
Svetllana [295]

Answer:


Step-by-step explanation:

I am sooo sorry. I do not understand this question though. Can you send a better pic


4 0
3 years ago
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