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BabaBlast [244]
4 years ago
15

Alba bought two necklaces for $6 each and later sold each for $10. Then she bought three necklaces for $7 each and later sold ea

ch for $13. How much profit did Alba make selling necklaces? A) $21 B) $26 C) $33 D) $42
Mathematics
2 answers:
lesantik [10]4 years ago
8 0
The answer to the question is C)$33 because you do 6•2=12 and 7•3=21 and you add them which is $33 but you don’t add $10 and $13
jek_recluse [69]4 years ago
6 0

Answer:

the correct answer is b

Step-by-step explanation:

Alba made $26 in profit selling necklaces. Apply the distributive property.

2(10 − 6) + 3(13 − 7) = $26

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WORTH 100 POINTS!!! PLEASE HELP
musickatia [10]

Answer:

Graph the triangle at points (1,5), (1,8), and (6,8)

Step-by-step explanation:

Since the rule is (x,y) -> (y,x), that just means swapping the value of x and y.

The first point (5,1) has 5 for x and 1 for y. If you swap the values, you get 1 for x and 5 for y, or (1,5).

The second point is (8,6). If you swap x and y you get (6,8). Notice I'm not doing the inverse of each number by making them negative, just swapping the twp values.

The third point is (8,1) and if you swap x and y you should get (1,8).

The transformation rule applies to ALL points, otherwise it wouldn't look right and it wouldnt be transforming.

I hope this helps :)

6 0
1 year ago
Let A be a non-empty set of rational numbers and B = {a+1 : a ∈ A} (sometimes denotes A + 1). Prove carefully that sup(B) = sup(
liraira [26]

Answer:

a is an element of A; a is a rational number

(a+1) is element of B

Step-by-step explanation:

(a+1) = sup(A), which are the elements of B.

(a+1) + 1 = sup(B)

Recall a+1 = sup(A),

Therefore,

sup(A )+ 1 = sup(B)

sup(B) = sup(A) + 1 ___proved

Sup(A) means supremum of set A. It means least element of another set (say set B), that is greater than every element in set A

8 0
4 years ago
Translations, rotations, and reflections are rigid transformations. What can you conclude about the measures of sides and angles
Alexeev081 [22]
After a translation, the measures of the sides and angles on any triangle would be the same since translation only involves changing the coordinates of the vertices of the triangle.
After a rotation, the measures of the sides and angles of a triangle would also be the same. Similar to translation, the proportion of the triangle is unchanged after a rotation.
After a reflection, the triangle's sides and angles would still be the same since reflection is a rigid transformation and that proportion of the sides and angles are not changed.
8 0
3 years ago
Simplify the equation:<br> (5.95 x 10^8)/(1.70 x 10^5)
Lesechka [4]
<span>(5.95 x 10^8)/(1.70 x 10^5)
=</span><span>(5.95 /1.7) x 10^3
=3.5 x 10^3

</span>
7 0
4 years ago
Read 2 more answers
8 teams dived 23 pizzas equally
inessss [21]

Answer:

Divide the number of pizzas by the number of teams.

23/8

2 5/8

Each team received 2 5/8 pizzas.

:)

7 0
3 years ago
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