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Lesechka [4]
4 years ago
6

What is the answer to number 4?

Mathematics
1 answer:
Ugo [173]4 years ago
7 0
I believe the right answer is b
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Which two expressions are equivalent for any value of y?
Harman [31]
The correct answer is letter d.

The reason is because of what each of these statements represent in math.

A number directly outside of a. parentheses means that we have that many groups of everything inside of the parentheses.

9(y + 3) means we have 9 groups of y and 9 groups of 3. This is the same as saying 9y + 27 or 27 + 9y.
3 0
3 years ago
American Sign Language
AURORKA [14]

Answer:

false ignore this I needed to write something else to hand it in

4 0
3 years ago
HELP! the student council at woodlands middle school is planning a field trip. they polled randomly selected teachers and studen
gregori [183]

Answer:

c

Step-by-step explanation:

because on the chart is says 19% under burgers for teachers.

Tell me if it is right.

8 0
3 years ago
Write a system of linear equations with -3,9 as its solution
lozanna [386]
Let the variable of the equation be x.

Solution of the equation is given to us, hence,

x = -3               and           x = 9

x + 3 = 0          and           x - 9 = 0

Multiplying,

(x + 3)(x - 9) = x² - 9x + 3x - 27 = x² - 6x - 27

Hence, the linear equation with solution -3 and 9 is x² - 6x - 27.
4 0
4 years ago
Solve the problem.
skad [1K]

Answer:

The population reaches 42,336 fish in 2258

Step-by-step explanation:

<u>Given</u><u>:</u>

P =  0.62x^2 - 0.043x + 3

<u>To Find:</u>

Time taken  to reach 42,336 = ?

<u>Solution:</u>

According to the question  x is the number of years after which the population .

Then

42336 = 0.62x^2 - 0.043x + 3

0 = 0.62x^2 - 0.043x + 3- 42333

0.62x^2 - 0.043x -42333 = 0

Solving using quadratic formula

x =\frac{ -b\pm \sqrt{b^2 -4ac}}{2a}

x =\frac{ -(-0.043)\pm \sqrt{(-0.043) -4(0.62)(42333)}}{2(42333)}

x =\frac{ -(-0.043)\pm \sqrt{(0.001849) -0.10664}}{84666}

x=261.337                    x=−261.268

Neglecting the   negative value we get

x = 261.337

x =  261 approx

261 years after  1997  =  2258

5 0
4 years ago
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