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3 years ago

10

MATH HW URGENT!!! Whoever solves one question at least will be brainliest!!!!

1 answer:

Natali5045456 [20]3 years ago

6 0

Answer: Equation of the line from D to C is y=2x+6?

Step-by-step explanation: Lines A to B and D to C looks parallel meaning they have the same slope but different Y intercept?

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Kamal’s bedroom has an area of 120 square feet. The width of the room is 5/6 the length of the room. What are the dimensions of

julia-pushkina [17]

Let
x----------> <span>the length of the room
y----------> </span><span>the width of the room

we know that
x*y=120---------> equation 1
y=(5/6)x--------> equation 2

substitute 2 in 1
x*[(5/6)x]=120------> (5/6)x</span>²=120-----> x²=120*6/5-----> x²=144
<span>x=12 ft
y=(5/6)*12-----> y=10 ft

the answer is
</span><span>the dimensions of Kamal’s bedroom are
</span>the length of the room is 12 ft
the width of the room is 10 ft<span>

</span>

3 0

4 years ago

68 is 85% of what number

Ber [7]

Answer:

68 is 85% of 80

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is the range of the function f(x) = 2x+3

MrRissso [65]

Answer: (-∞,∞)

Step-by-step explanation: The line extends forever in both directions meaning that the endpoints will be negative infinity and infinity.

3 0

3 years ago

Find the length of the following curve. If you have a grapher, you may want to graph the curve to see what it looks like.

stepladder [879]

The length of the curve $y = \frac{1}{27}(9x^2 + 6)^\frac 32$ from x = 3 to x = 6 is 192 units

<h3>How to determine the length of the curve?</h3>

The curve is given as:

$y = \frac{1}{27}(9x^2 + 6)^\frac 32$ from x = 3 to x = 6

Start by differentiating the curve function

$y' = \frac 32 * \frac{1}{27}(9x^2 + 6)^\frac 12 * 18x$

Evaluate

$y' = x(9x^2 + 6)^\frac 12$

The length of the curve is calculated using:

$L =\int\limits^a_b {\sqrt{1 + y'^2}} \, dx$

This gives

$L =\int\limits^6_3 {\sqrt{1 + [x(9x^2 + 6)^\frac 12]^2}\ dx$

Expand

$L =\int\limits^6_3 {\sqrt{1 + x^2(9x^2 + 6)}\ dx$

This gives

$L =\int\limits^6_3 {\sqrt{9x^4 + 6x^2 + 1}\ dx$

Express as a perfect square

$L =\int\limits^6_3 {\sqrt{(3x^2 + 1)^2}\ dx$

Evaluate the exponent

$L =\int\limits^6_3 {3x^2 + 1} \ dx$

Differentiate

$L = x^3 + x|\limits^6_3$

Expand

L = (6³ + 6) - (3³ + 3)

Evaluate

L = 192

Hence, the length of the curve is 192 units

Read more about curve lengths at:

brainly.com/question/14015568

#SPJ1

7 0

2 years ago

[khan academy] <br><br> hello, please help me with this if youre able to, thanks uwu

Ostrovityanka [42]

Answer:

11 units

Step-by-step explanation:

To calculate CD use the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = C(- 4, 6) and (x₂, y₂ ) = D(- 4, - 5)

CD = $\sqrt{(-4+4)^2+(-5-6)^2}$

= $\sqrt{0^2+(-11)^2}$

= $\sqrt{0+121}$ = $\sqrt{121}$ = 11

6 0

3 years ago

Read 2 more answers