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Paraphin [41]
3 years ago
9

of 13 possible books, you plan on taking 7 with you on a vacation. How many different collections of 7 books can you take?

Mathematics
1 answer:
ella [17]3 years ago
5 0
1 i think is the answer.
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Sean determines that the triangle shown in the diagram has angle measures of 40°, 40°, and 100°. Is Sean correct?
kotykmax [81]
The bottom left angle is 180 -80=(100)

So the remaining 2 angles are equal 80
As all angles in a triangle are equal to 180

X+5 + x - 5 =80
Simplify
2x=80
X=40

Soo one of the angles are 40-5 which is (35)
And the other is 40+5 which is (45)
So sean is not correct
~sorry sean teehee
6 0
3 years ago
Read 2 more answers
in a class of 34 students 19 of them are girls what percentage of the class are girls to 1 decimal place
motikmotik

Answer:

55.9% of the class are girls

Step-by-step explanation:

19/34 = 0.559

0.559 x 100 = 55.9%

6 0
2 years ago
Read 2 more answers
The following a function (6,3), (-1,2), (-1,-1), (4,3)
Akimi4 [234]

for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one

\bf (6,3), (\stackrel{\stackrel{rep eated}{\downarrow }}{-1},2), (\stackrel{\stackrel{rep eated}{\downarrow }}{-1},-1), (4,3)\qquad \textit{not a function}

5 0
2 years ago
Will up-vote!
klasskru [66]
19.2 * 10⁸ minutes.

60 minutes = 1 hour.

19.2 * 10⁸ minutes =  (19.2 * 10⁸) / 60  hour
                 
                              = 32 000 000 =   3.2 * 10⁷ hours

= <span>D. 3.200 × 10^7 ​h​</span>
3 0
3 years ago
May someone help me with this question
Dafna11 [192]
X + 13 = -4
x = -4 - 13
x = - 17
I am thinking it is the first one..solution is -17
3 0
3 years ago
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