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kaheart [24]
2 years ago
11

1/4a = -5 i need the answer

Mathematics
1 answer:
STatiana [176]2 years ago
4 0

Answer:

a=-20

Step-by-step explanation:

hope this helps!

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Brandon earns a rebate each month on his meals and movie tickets. He earns $0.50 for each movie ticket and $2 for each meal. Las
ElenaW [278]
This is the concept of simultaneous equations; We are required to create the equations modelling the above information.
Suppose the number of movie tickets was x and the number of meal tickets was y.
Therefore;
Total number of tickets was:
x+y=22
Total amount earned was:
0.5x+2y=25
The simultaneous equations representing the information is:
x+y=22
0.5x+2y=25



4 0
3 years ago
suppose we want to choose 5 letters, without replacement, from 13 distinct letters. (a) how many ways can this be done, if the o
CaHeK987 [17]

A. The number of possible ways can this be done, if the order of the choices is not taken into consideration is 1, 287 ways

B. The number of possible ways can this be done, if the order of the choices is taken into consideration is 154,440 ways

<h3>What is meant by permutation and combination?</h3>

Combination and permutation are two alternative strategies in mathematics to divide up a collection of components into subsets. The subset's components can be listed in any order when combined. The components of the subset are listed in a permutation in a certain order.

A. We want to select 5 objects from a total 13, without considering the order in which they are chosen.

The correct way to do this exists by utilizing the combination formula since order exists not considered;

Therefore, we have ; 13 C 5 read as 13 combination 5;

Let the equation of combination be n C r = n!/(n-r)!r!

substituting the values in the above equation, we get

13!/(13-8)!8! = 13!/5!8! = 1,287 ways

B. By considering order, we shall be using the permutation formula;

Let the equation of permutation be n P r = n!/(n-r)!

substituting the values in the above equation, we get

13 P 5 = 13!/(13-5)!

= 13!/(13-5)! = 13!/8! = 154,440 ways

To learn more about permutation and combination refer to:

brainly.com/question/11732255

#SPJ4

3 0
1 year ago
HELPPPP<br> Solve for x using the figure to the right.
Maurinko [17]

Answer:

x = 20 units

Step-by-step explanation:

By geometric mean theorem:

{x} =  \sqrt{40 \times 10}  \\  \\  \implies{x} =  \sqrt{400}  \\  \\ \implies{x} =  20 \: units  \\  \\

7 0
2 years ago
The braking distance of an automobile varies directly as the square of the speed. If
aleksandr82 [10.1K]
<span>The car will stop in 140.625 ft

</span>
4 0
3 years ago
chuck earned $76 mowing lawns.the gas for the mower cost $12 and he bought a new string for the trimmer for $7.write and find th
Harlamova29_29 [7]
76 - 12 = 64 - 7 = 57
3 0
3 years ago
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