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3 years ago

Whats the relationship between area and square units

Mathematics

2 answers:

Nana76 [90]3 years ago

8 0

The area is determined in square units

stira [4]3 years ago

7 0

Okie, when you are talking about area, you will have units of course! :-)
So, square units are the units in which describe the area. Let's take a rectangle slab of paper that is 2 inches by 4 inches. Yes, the answer is 8, but what are the units. It is inches squared! Squared units are the units of area.
I hope this helps :-)

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WILL GIVE BRAINLIEST: If the graph of 2x+3y − 6=0 is perpendicular to the graph of ax − 3y=5. What is the value of a?

Ilya [14]

Answer:

a = $\frac{9}{2}$

Step-by-step explanation:

To find the value of a, find the Slope of both the equations.

For lines to be perpendicular to each other $m_{1}m_{2} = - 1$

For line 1:

2x + 3y − 6 = 0 represent the line in y=mx +c form

3y = -2x + 6

y = $\frac{-2}{3} x$ + $\frac{6}{3}$

y = $\frac{-2}{3} x$ + 2

$m_{1}$ = $\frac{-2}{3}$

For line 2:

ax - 3y = 5

ax = 5 + 3y

ax - 5 = 3y

y = $\frac{ax}{3} - \frac{5}{3}$

$m_{2}$ = $\frac{a}{3}$

Apply the condition of perpendicularity:

$\frac{-2}{3}$ * $\frac{a}{3}$ = - 1

$\frac{2a}{9} = 1$

a = $\frac{9}{2}$

7 0

4 years ago

Cube A has an edge length of 3 inches. Cube B has an edge length double that of Cube A.

Volgvan

Answer:

216

Step-by-step explanation:

Cube A volume

3*3*3=27

Cube B volume

6*6*6=216

3 0

2 years ago

Read 2 more answers

What is the square root of 28x to the third power y to the third power

Colt1911 [192]

Hello!

√28x³y³ is equal to $2xy\sqrt{7xy}$

We can find this solution through the following steps.

Rewriting the equation by factoring 4 from 28, factoring out x², and factoring out y²
We then can rewrite 4 as 2² in our equation, leaving us with $\sqrt{2^{2}*7*(x^{2}x)*y^{2}y }$
We will then move our x and 7, and rewrite $2^{2}*x^{2}* y^{2}$ as $(2xy)^{2}$
We can then pull the terms from the radical leaving us with $2xy\sqrt{7xy}$

6 0

4 years ago

BRAINLIEST AND 30 POINTS!!! HURRY!!

Gekata [30.6K]

Answer:

C. 72

Step-by-step explanation:

the answer is C because if you divide 84 by 7 you get 12 so you then multiply 6 by 12 and get 72. the answer could not be negative 72 because that would then make the equation positive.

8 0

3 years ago

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The function intersects its midline at (-1.25,-3) and a maximum point at (0,4) Find a formula for f(x) Give an exact expression.

stellarik [79]

Answer: y = 7cos(0.4π x) - 3

Step-by-step explanation:

The equation of a cosine function is: y = A cos(Bx - C) + D where

Amplitude (A) is the distance from the midline to the max (or min)
Period (P) is the length of one cosine wave --> P = 2π/B
Phase Shift (C/B) is the horizontal distance shifted from the y-axis
Midline (D) is the vertical shift. It is equal distance from the max and min

Midline (D) = -3

(-1.25, -3) is given as a point on the midline. We only need the y-value.

Horizontal stretch (B) = 0.4π

The max is located at (0,4) and also at (5, 4). Thus the period (length of one wave) is 5 units.

$P=\dfrac{2\pi}{B}\qquad \rightarrow \qquad 5=\dfrac{2\pi}{B}\qquad \rightarrow \qquad B=\dfrac{2}{5}\pi$ → B = 0.4π

Phase Shift (C) = 0

The max is on the y-axis so there is no horizontal shift.

Amplitude (A) = 7

The distance from the midline to the max is: A = 4 - (-3) = 7

Equation

Input A = 7, B = 0.4π, C = 0, and D = -3 into the cosine equation.

y = A cos(Bx - C) + D

y = 7cos(0.4π x - 0) - 3

y = 7cos(0.4π x) - 3

3 0

3 years ago