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3 years ago

GEOMETRY HELP PLEASE ASAP!! 1

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

4 0

Hi you just have to multiply the top and side of each shape then add them all up so the final answer is 782 square inches

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Two lines, A and B, are represented by the following equations:

ch4aika [34]

Line A: 2x+2y=8 ⇒2y=-2x+8 ⇒ y=-x+4
Line B: x+y=3 ⇒y=-x+3

Therefore: y=y then:
-x+4=-x+3
-x+x=3-4
0≠-1 ⇒There is no solution because the lines are parallels

Answer: There is no solution

8 0

3 years ago

Read 2 more answers

Solve the system by substitution. -4.5-2y=-12.5 , 3.35x-y=-0.75

goldenfox [79]

First, we solve for y in the first equation:
$-2y = -12.5 +4.5$
$-2y=-8$
$y= \frac{8}{2}$
$y=4$
Then, we substitute the y value in the other equation and solve for x:
$3.35x-(4)=-0.75$
$3.35x=-0.75+4$
$3.35x=3.25$
$x= \frac{3.25}{3.35}$
$x= \frac{65}{67}$

6 0

3 years ago

Read 2 more answers

What is the unit rate as a simplified fraction? Thanks for the help;)

Trava [24]

Divide the y-value by the x-value.

(1/2) / (2/5) = 1/2 x 5/2 = 5/4

6 0

3 years ago

Do I have this one correct

nikklg [1K]

Answer:

Option B is correct

Step-by-step explanation:

Given is a cos funciton.

Period = 3

Max = 20 and minimum =0

Hence centre line is y = 1/2 (max+min)

i.e. y =10 is the central line

Let the funciton be of the form

y = a cos (bx+C)+d

We got d = 10...i

Period =3

Hence b = $\frac{2\pi}{3}$ ... ii

Amplitude = a = distance of max from central line = 20-10 =10...iii

Since reflection over x axis, sign of a =negative

a=-10

Since no horizontal shift, c=0 ... iv

Put to gether the function is

$y=-10cos\frac{2\pi x}{3} +10$

8 0

3 years ago

It costs $35 to enter an amusement park and $0.89 to ride a ride. You have $75. Write an equation that represents the number r o

Yuri [45]

Answer:
A. $35+$0.89r=$75

Explanation:
It’s only $35 to get in, you don’t have to pay an extra $35 for anything, however, the $0.89 is changeable, that’s were the variable comes in. If you go on more rides you would multiply every ride with how much it costs. The last number is how much you spend (total)
Hope this helps !

7 0

3 years ago