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2 years ago

Write two equivalent expressions to represent the area of this rectangle.

Mathematics

2 answers:

ella [17]2 years ago

4 0

Answer:

The expression which represent the area of Rectangle is 5(x-2) and 5 x - 10

Step-by-step explanation:

Given as for a rectangle :

The width of rectangle = 5 unit

The length of rectangle = x - 2

Now, Area of Rectangle = Length × Width

Or, Area of Rectangle = 5 × ( x - 2 )

So, Area of Rectangle = 5 x - 10

Hence The expression which represent the area of Rectangle is 5(x-2) and 5 x - 10 Answer

Alex777 [14]2 years ago

3 0

5(x-2) or 5x-10 are both correct

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Evaluate the function at the indicated values. f(x)= 6x^2+ 5x -12

seropon [69]

Step-by-step explanation:

We need to find the value of the function at the indicated value.

$f(x)= 6x^2+ 5x -12$

Indicated values are : f(-7), f(0), f(6), f(7)

To find f(-7), put x = -7 in the given function

$f(-7)= 6(-7)^2+ 5(-7) -12=247$

To find f(0), put x = 0 in the given function

$f(0)= 6(0)^2+ 5(0) -12=-12$

To find f(6), put x = 6 in the given function

$f(6)= 6(6)^2+ 5(6) -12=234$

To find f(7), put x = 7 in the given function

$f(7)= 6(7)^2+ 5(7) -12=317$

Hence, this is the required solution.

8 0

3 years ago

Help! If you know this can you tell me how to do it?

aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

Here's how this works:

Get everything together into one fraction by finding the LCD and doing the math. The LCD is sin(x) cos(x). Multiplying that in to each term looks like this:

$[sin(x)cos(x)]\frac{sin(x)}{cos(x)}+[sin(x)cos(x)]\frac{cos(x)}{sin(x)} =?$

In the first term, the cos(x)'s cancel out, and in the second term the sin(x)'s cancel out, leaving:

$\frac{sin^2(x)}{sin(x)cos(x)}+\frac{cos^2(x)}{sin(x)cos(x)}=?$

Put everything over the common denominator now:

$\frac{sin^2(x)+cos^2(x)}{sin(x)cos(x)}=?$

Since $sin^2(x)+cos^2(x)=1$ , we will make that substitution:

$\frac{1}{sin(x)cos(x)}$

We could separate that fraction into 2:

$\frac{1}{sin(x)}$ × $\frac{1}{cos(x)}$

$\frac{1}{sin(x)}=csc(x)$ and $\frac{1}{cos(x)}=sec(x)$

Therefore, the simplification is

sec(x)csc(x)

5 0

3 years ago

Solve the linear system by graphing y = x - 1 y =3x - 9

Zielflug [23.3K]

I think is
y = x - 1y = 3x - 9
y - y = x - 3x = -9
0 = - 2x = - 9

4 0

3 years ago

if 2 people answered your question and they were both right but only one of them explained they answer who should I give brainli

lakkis [162]

The person who explained the answer because you can see how they got the answer or the evidence they used to get the answer

5 0

2 years ago

Please help..If you know the correct answer

never [62]

Answer:

AC is the longest side

AB is the shortest side

Step-by-step explanation:

We can find the third angle

A+B+C = 180

55+80+C = 180

135+C = 180

C = 180-135

C =45

The longest side is opposite the largest angle

B is the largest angle so AC is the longest side

C is the the smallest angle so AB is the shortest side

3 0

3 years ago