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Levart [38]
3 years ago
8

A girl spent $39 and has 3/4 of the original amount left how much money did she originally have

Mathematics
1 answer:
Dvinal [7]3 years ago
3 0
Ok so divide 39 by 4 which is 9.75 then mulitiply that by 3 to get your answer of $29.25
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The first one is 24 the second is 96
7 0
2 years ago
Determine the number of possible triangles, ABC, that can be formed given A = 30°, a = 7, and b = 18.
zzz [600]

Answer:

none

Step-by-step explanation:

We are given a triangle ABC with ∠A = 30°, sides a = 4 and b = 10.

According to the 'Law of Sines- Ambiguous Case', we have,

If a < b×sinA, then no triangle is possible.

If a = b×sinA, only one triangle is possible

If a > b×sinA, two triangles are possible.

So, we have,

b×sinA = 10 × sin30 = 10 × 0.5 = 5.

Now, as

4 = a < bsinA = 5.

We get, according to the rule, no triangle is possible.

8 0
2 years ago
If four pounds of a certain candy cost $10 how manu pounds of that candy can be purchased for $12
dangina [55]
4.8 pounds, set it up as 4 over ten times x over 12, 4 times 12 divided by ten equals 4.8
8 0
3 years ago
Explain how I would get -7 from dividing -45 from 7 Full explanation gets brainly
lana66690 [7]
If you divide a negative by a positive then you get a negative or if you divide a positive by a negative then you make that number negative
3 0
3 years ago
There are 40 people at Drake's sweet sixteen party. Drake's only rule is that everyone in the party must meet and shake each oth
nikdorinn [45]
1) This is a combination, so use ⁴⁰C₂.
     ⁴⁰C₂ = 780
     There are 780 handshakes in total.

2) I got my solution by using the combinations formula. Or another way you              could do this is to add up... 39 + 38 + 37 + 36 + 35 + 34 + 33 + 32 + 31... +1.          You will end up with 780 (I did this to double check my work).

3) The quickest way to figure this out if Drake invited 1,000 people is to use the       natural numbers formula = n(n+ 1)/2.
     Plug the numbers in: 999(1000)/2 = 499,500 
     If Drake invited 1,000 people, there would be 499,500 handshakes.

7 0
3 years ago
Read 2 more answers
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