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katrin2010 [14]
3 years ago
15

Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!

Mathematics
1 answer:
Ahat [919]3 years ago
3 0

Answer:

-136x

Step-by-step explanation:

Pls brainliest

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What is 3/5 + 1/2? As in fractions, I can’t figure it out!! :(
ella [17]

Step-by-step explanation:

\frac{3}{5}  +  \frac{1}{2}  \\  \\  =  \frac{3 \times 2 + 1 \times 5}{5 \times 2}  \\  \\  =  \frac{6 + 5}{10}  \\  \\  =  \frac{11}{10}  \\  \\  = 1 \frac{1}{10}

5 0
3 years ago
Read 2 more answers
Which of the following represents a valid first step to solving this system of equations using the substitution method?
Phoenix [80]

Answer:

2(2y - 1) - y = 7

Step-by-step explanation:

I guess the 2 equations are

2x - y = 7

x = 2y - 1

substitution message that you use one equation to express one variable by the other, and then you use that in the other equation to get one equation for one variable. then you solve for that, and use that result in the first equation to since for the second variable.

the equations are already defined that way, that the second equation directly defines x as an excision of y.

so, this needs to be used then in the first equation.

and that makes

2(2y - 1) - y = 7

the correct first step.

7 0
2 years ago
Suppose a researcher is surveying four subjects: subject A, subject B, subject C, and subject D. Subject B wants to impress the
Lina20 [59]

Answer:

Subject B.

Step-by-step explanation:

It is given that,

There are total four subjects, namely A, B, C and D.

Out of these four subjects, we have, Subject B wants to impress the researcher above everyone while the other subjects do not care.

Since, Subject B wants to impress the researcher, they would want to use any means as possible so that the researcher gets amazed by them.

For this, it is highly possible that they will start answering questions in a way that makes them impressive, which would lead them to not answer questions honestly.

While the other subjects do not care whether the researcher is impressed, this will make them give the answer honestly.

Hence, Subject B is least likely to answer the questions honestly.

3 0
3 years ago
Read 2 more answers
A stone is dropped into some water and a circle of radius r is formed and slowly expands. The perimeter of the circle is increas
Mazyrski [523]
I believe it would be 6 due to the radius being a half of the actual circumfrence
3 0
3 years ago
Read 2 more answers
Kamil invests 9000 for 4 years his investment pays compound interest of x% per anumn
elena-s [515]

To get the Total amount upon investment for the compound interest, plug in the value of x into the given expression bellow

<em>A = 9,000.00(1 +  x/100)^(4)</em>

Given data

Principal = $9000

Time = 4 years

Rate = x% per annum

<h3>Solution</h3>
  • Step one:

First, convert R as a percent to r as a decimal

r = x/100

r = x/100

  • Step two:

Then solve the equation for A

A = P(1 + x/100)^t

A = 9,000.00(1 + x/100)^(4)

A = 9,000.00(1 +  x/100)^(4)

  • Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $9,000.00 at a rate of x% per year.

Learn more about compound interest here:

brainly.com/question/24924853

6 0
2 years ago
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