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Ipatiy [6.2K]
3 years ago
12

Please help me . I need it asap .​

Mathematics
1 answer:
AnnyKZ [126]3 years ago
3 0

Answer:

x=10, y=-1

Step-by-step explanation:

Multiply both sides of the top equation by 2 to get 2x-2y=22

subtract the two equations

2x-2y=22

2x+y=19

-3y=3

y=-1

plug the -1 in any of the two equations (I'll do the second one)

2x-1=19

2x=20

x=10

x=10, y=-1

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Round each of the decimals to the nearest hundredth
Delicious77 [7]

Answer:

A.) 0.60

B.) 4.25

C.) 53.68

D.) 18.00

8 0
4 years ago
Identify the percent amount and base in this problem.150 is 25 percent of what number.
NemiM [27]

let's say that number is "x", so that is then the 100%.

if 150 is 25%, what is "x"?


\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 150&25 \end{array}\implies \cfrac{x}{150}=\cfrac{100}{25}\implies \cfrac{x}{150}=4\implies x=600

6 0
4 years ago
Find a formula for the general term an of the sequence, assuming that the pattern of the first few terms continues. {5,5/3,5/9,5
Tanya [424]

The formula for the general term of the given sequence 5, 5/3, 5/9, 5/27 is  a_{n} = \frac{5}{3^{n} }.

According to the given question.

We have a sequence  5, 5/3, 5/9, 5/27.

As, we know that "a sequence is an arrangement of any objects or a set of numbers in a particular order followed by some rule"

If we see the given sequence 5, 5/3, 5/9, 5/27 it is following a pattern in which the nummerator of all the terms are same but the denominator is increasing by by power to 3 like 3^0 = 1, 3^1 = 3, 3^2 = 9 and so on.

Thereofre, the genereal term  a_{n}, of the given sequence is given by

a_{n} = \frac{5}{x^{n} } , where n belong to whole numbers.

Hence, the formula for the general term of the given sequence 5, 5/3, 5/9, 5/27 is  a_{n} = \frac{5}{3^{n} }.

Find about more information about sequence here:

brainly.com/question/12952623

#SPJ4

4 0
2 years ago
Determine whether the statement is true or false. If it is true, explain why.
Over [174]
True.

Since y^4 \geq 0, y' = -1 - y^4 \ \textless \  0 and the solutions are decreasing functions.
8 0
4 years ago
The first time that Arnold ran for mayor in a small town, he received 5% of the votes. This year, when Arnold ran for mayor agai
sammy [17]

Answer:

20 votes

Step-by-step explanation:

You start with the percents: You always start with 100%

100-5=95

Then you multiply

95 x 4

4 is how many votes he received the 2nd time

95 x 4= 380

Then you subtract

380-360= 20

Your Welcome :)

6 0
3 years ago
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