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ValentinkaMS [17]
3 years ago
9

Find the unit rate. 12 laps in 30minutes. Asking for fraction

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

4/10 maybe cuz 12 divided by 30 is 0.4 and 0.4 would be 4/10

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PLEASE HELP Graph 4x + y = 6x - 1 Show your work AND explain the method used to determine the graph
Anna007 [38]

Answer:

y=2x-1

Step-by-step explanation:

y= 6x-1-4x

y=2x-1

3 0
3 years ago
Can someone help me with number 3 please??!!
ipn [44]
There are 2 way to solve this.

one using Pythagoras theorem and 2nd using trigonometry

so lets solve it by both

using Pythagoras theorem we know

base^2 + perpendicular^2 = hypotanes^2

6^2 + x^2 = 12^2

36 + x^2 = 144

x^2 = 144- 36 = 108

x = √(108) = √( 2×2×3×3×3)

= (2×3) √ (3) = 6 √3

so answer is option 2

bow lets use trigonometry

we know
sin theta = perpendicular / hypotanes
sin 60 = x /12
x = 12 × sin 60
we kNow sin 60 = √3/ 2
so
x = 12×√3 /2 = 6√3
7 0
3 years ago
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Andrej [43]

Answer:

- 2(4x + 4) - 3x - 2 = 34 \\  \\  - 8x - 8 - 3x - 2 = 34 \\  \\  - 8x -  3x = 34 + 8 + 2 \\  \\  - 11x = 34 + 8 + 2 \\  \\  - 11x = 44 \\  \\ x =  -  \frac{44}{11}  \\  \\ x =  - 4

5 0
2 years ago
Your school wants to take out an ad in the paper congratulating the basketball team on a successful​ season, as shown to the rig
iogann1982 [59]

Answer:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

Step-by-step explanation:

Let's assume that the figure attached illustrate the situation.

For this case the we know that the original area given by:

A_i = 7 in *5 in = 35in^2

And we know that the initial area is a half of the entire area in red A_i = \frac{A_f}{2}, so then:

A_f = 2 A_ i =2*35 = 70

And we know that the area for a rectangular pieces is the length multiplied by the width so we have this:

70 = (x+7) (x+5)

We multiply both terms using algebra and the distributive property and we got:

70 =x^2 +12 x +5

And we can rewrite the expression like this:

x^2 +12 x -35 = 0

And we can solve this using the quadratic formula given by:

x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}

Where a = 1, b =12 and c=-35 if we replace we got:

x = \frac{-12 \pm \sqrt{(12)^2 -4(1)(-35)}}{2*1}

And the two possible solutions are then:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

3 0
3 years ago
Pls Find the value of x
tatiyna

x + 104 + 28 = 180  \\ (140 + 28 = 132) \\ x = 132

3 0
2 years ago
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