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3 years ago

Any answers on this?

Mathematics

2 answers:

anygoal [31]3 years ago

6 0

Perimeter is the distance all around the triangle, so take the side lengths and add them up in an expression.

(2x) + (4x - 2) + (3x - 1)

Combine like terms.

9x - 3

Your answer is D) 9x - 3.

Dafna11 [192]3 years ago

4 0

9x^3 -3 is the answer

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Find a formula for the described function. an open rectangular box with volume 9 m3 has a square base. express the surface area

Maru [420]

Let

x--------> the length side of the square base

h--------> the height of the box

we know that

the volume of the box is equal to

$V=x^{2} *h\\ V=9\ m^{3}$

$x^{2} *h=9\\\\h=\frac{9}{x^{2} }$

the surface area of the box is equal to

$SA=area\ of\ the\ base+perimeter\ of\ base*height$ (remember that the box is open)

area of the base= $(x^{2})\ m^{2}$

Perimeter of the base= $(4*x)\ m$

height=(h) m

$h=\frac{9}{x^{2}}$

substitute

$SA=x^{2} +4*x*h\\ \\ \\ SA=x^{2} +4*x*\frac{9}{x^{2} } \\ \\ SA=x^{2} +\frac{36}{x}$

we know that

the value of x can not be negative and the denominator can not be zero

therefore

the answer is

the domain of SA is x> 0

the domain is the interval-------------> (0,∞)

6 0

2 years ago

On a cold winter moming in Colorado, the outdoor temperature was 5 degrees Fahrenheit at sunrise For the next sex hours the temp

Temka [501]

Answer: 6

Step-by-step explanation:

because i said so

8 0

2 years ago

Help me solve this problem pleaseeeeee

antiseptic1488 [7]

Answer:

y>6

Step-by-step explanation:

Simplify so 5y-2(y)-2(4)>10

3y-8>10

3y>18

y>6

7 0

2 years ago

What is the degree of these polynomials?

san4es73 [151]

Answer:

5 and 2

Step-by-step explanation:

Degree is the highest power of the polynomial

4 0

3 years ago

Read 2 more answers

Find the value of x 8th weekly math homework-week 29

Verdich [7]

Since the other angle that right next to it, the same angle you equal both angles together.

4x = 68.

We want to get x by its self. There is a 4 with the x and they're multiplying. to get rid of 4 we need to the opposite of multiplying which is division on both sides of the equation.

4x = 68
/4 /4

4 divided by 4 is 1 and 68 divided by 4 is 17

x = 17 is the answer.
If you plug in x = 17 into 4x, it will be 68

3 0

2 years ago

Read 2 more answers