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Feliz [49]
3 years ago
7

I need help asap:/.......

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0
2x+4x=12 and y=-1/2x+3
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PLEASE HELP DUE IN AN HOUR NO LINKS PLEASE. ​
Korolek [52]

Answer:

y = 3/2  when x = 15

Step-by-step explanation:

y = k / √1+x  

2 = k / √1+8 = k/3  

k = 6  

y' = 6 / √1+15 = 6/4 = 3/2

5 0
3 years ago
Help ASAP please! ill mark brainliest
kotegsom [21]

Answer:

Step-by-step explanation:

i think it is 2

6 0
3 years ago
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The original price of a set lunch was 30 dollars. It is now sold at a 20%
Ivenika [448]
Find out the total discount percentage that students receive.

20% + 10% = 30%

30/100 x 30 = 9 dollars

30 - 9 = 21 dollars (Final answer)
5 0
3 years ago
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What is the decimal equivalent of the 15/8
ElenaW [278]

Answer:

A) 15.8

Step-by-step explanation:

10/8 = .80

15+ .80 = 15.8

6 0
3 years ago
A 10 inch cookie cake is divided into 8 slices. What is the area of 3 slices
brilliants [131]

Answer:

The area of 3 slices is \frac{75}{8}\pi\ in^2  or approximate 29.4\ in^2

Step-by-step explanation:

<em>Find out the area of the cookie cake</em>

The area of the circle (cookie cake) is

A=\pi r^{2}

we have

r=10/2=5\ in ----> the radius is half the diameter

substitute

A=\pi (5)^{2}

A=25\pi\ in^{2}

Remember that the area of the complete cookie cake subtends a central angle of 360 degrees

If the cake is divided into 8 slices

then

The central angle of each slice is equal to

360/8=45°

The central angle of 3 slices is equal to

3(45°)=135°

By proportion

Find out the area of 3 slices

Let

x ----> the area of 3 slices

\frac{25\pi}{360}=\frac{x}{135}\\\\x=25\pi(135)/360\\\\x=\frac{3,375}{360}\pi\ in^2

Simplify

\frac{75}{8}\pi\ in^2 ----> exact value of the area of 3 slices

Find out the approximate value of the area of 3 slices

assume

\pi =3.14

substitute

\frac{75}{8}(3.14)=29.4\ in^2

5 0
4 years ago
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