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2 years ago

Can someone please answer these (real answers only)

Mathematics

2 answers:

adell [148]2 years ago

4 0

5. The number of visitors increase in April, spike in August and then decrease in September.

6. December is in winter, therefore many people do not travel during December.

7. There are not a lot of holidays in February and March, so people are either working or going to school instead of visiting.

I hope this helped!

harkovskaia [24]2 years ago

3 0

“5. The number of visitors increases in April, spike in August and then decreases in September. 6. December is in winter, therefore many people do not travel during December. 7. There are not a lot of holidays in February and March, so people are either working or going to school instead of visiting”

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Solve using gauss-Jordan elimination <br><br> X1 - 3x2 = -5<br> -3x1 - x2 = 5

steposvetlana [31]

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3 years ago

Hey yall can come here for the fastest brainliest! But first answer it correctly! cuz it s a easy question plus you get many poi

RideAnS [48]

Answer:

3rd option is correct.....

5 0

2 years ago

Find the zeros of the function y = x^2-1.

kumpel [21]

Answer:

Step-by-step explanation:

x^2-1=0

Add 1 to both sides of the equation.

x^2= 1

Take the square root of both sides of the equation to eliminate the exponent on the left side.

x = ± √ 1

Any root of 1 is x = ± 1

First, use the positive value of the ±

to find the first solution.

x= 1

Next, use the negative value of the ±

to find the second solution.

x = − 1

The complete solution is the result of both the positive and negative portions of the solution.

x = 1 , − 1

4 0

2 years ago

Read 2 more answers

What is the solution 2x-7=19

IceJOKER [234]

Hello!

Explanation:

First, add by 7 from both sides of an equation.

$2x-7+7=19+7$

Then, simplify by equation.

$19+7=26$

$2x=26$

Next, divide by 2 from both sides of an equation.

$\frac{2x}{2}= \frac{26}{2}$

Finally, simplify or dividing by the numbers.

$26/2=13$

$13*2=26$

$2*13=26$

$26/13=2$

Answer: $x=13$

<u><em>*The answer must have a positive sign.*</em></u>

Hope this helps!

-Charlie

Thanks!

4 0

3 years ago

Read 2 more answers

The perimeter of a rectangle is represented by

MissTica

The perimeter of a rectangle is represented by 4x^2 + 5x − 2. The perimeter of a smaller rectangle is represented by x^2 + 3x + 5. Which polynomial expression BEST represents how much larger the first rectangle is than the smaller rectangle?

A) 3x^2 + 2x − 7

B) 3x^2 + 2x − 3

C) 3x^2 + 8x + 3

D) 5x^2 + 8x − 7

<h3><u>Answer:</u></h3>

Option A

The polynomial expression best represents how much larger the first rectangle is than the smaller rectangle is $3 x^{2}+2 x-7$

<h3><u>Solution:</u></h3>

Perimeter of a rectangle is represented by 4x^2 + 5x − 2

Perimeter of a smaller rectangle is represented by x^2 + 3x + 5

To Find : Polynomial expression that represents how much larger the first rectangle is than the smaller rectangle.

Which means we have to find difference between perimeter of both rectangles

Subtract the equation of perimeter of smaller rectangle from equation of perimeter of a larger rectangle

Difference = perimeter of a larger rectangle - perimeter of smaller rectangle

$\text {Difference }=\left(4 x^{2}+5 x-2\right)-\left(x^{2}+3 x+5\right)$

On removing the brackets we get,

$\begin{array}{l}{\text { Difference }=4 x^{2}+5 x-2-x^{2}-3 x-5} \\\\ {\text { Difference }=3 x^{2}+2 x-7}\end{array}$

Thus option A is correct

8 0

3 years ago