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Setler [38]
2 years ago
14

3 equivalent rations of 3 : 11

Mathematics
1 answer:
lara31 [8.8K]2 years ago
7 0

Answer:

9:33 (3:11 * 3 = 9:11)

12:44 (3:11 * 4 = 12:44)

15:55 (3:11 * 5 = 15:55)

Step-by-step explanation:

And so on and so forth,...

Chow,...!

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Step-by-step explanation:

7 0
3 years ago
Need Help ASAP<br> Slope = -7;(4,-30)
Paraphin [41]
It’s 182 my work is in the picture

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3 years ago
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What graph represents the function f(x)= -x2+5?
ololo11 [35]
I hope it would helps

6 0
3 years ago
Pls solve the simultaneous equation in the attachment.
siniylev [52]

Answer:

Part a) The solution is the ordered pair (6,10)

Part b) The solutions are the ordered pairs (7,3) and (15,1.4)

Step-by-step explanation:

Part a) we have

\frac{x}{2}-\frac{y}{5}=1 ----> equation A

y-\frac{x}{3}=8 ----> equation B

Multiply equation A by 10 both sides to remove the fractions

5x-2y=10 ----> equation C

isolate the variable y in equation B

y=\frac{x}{3}+8 ----> equation D

we have the system of equations

5x-2y=10 ----> equation C

y=\frac{x}{3}+8 ----> equation D

Solve the system by substitution

substitute equation D in equation C

5x-2(\frac{x}{3}+8)=10

solve for x

5x-\frac{2x}{3}-16=10

Multiply by 3 both sides

15x-2x-48=30

15x-2x=48+30

Combine like terms

13x=78

x=6

<em>Find the value of y</em>

y=\frac{x}{3}+8

y=\frac{6}{3}+8

y=10

The solution is the ordered pair (6,10)

Part b) we have

xy=21 ---> equation A

x+5y=22 ----> equation B

isolate the variable x in the equation B

x=22-5y ----> equation C

substitute equation C in equation A

(22-5y)y=21

solve for y

22y-5y^2=21

5y^2-22y+21=0

Solve the quadratic equation by graphing

The solutions are y=1.4, y=3

see the attached figure

<em>Find the values of x</em>

For y=1.4

x=22-5(1.4)=15

For y=3

x=22-5(3)=7

therefore

The solutions are the ordered pairs (7,3) and (15,1.4)

3 0
3 years ago
An open box is to be made from a six inch by six inch piece of material by cutting equal squares from the corners and turning up
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Answer:

8 inch³

Step-by-step explanation:

Side should be 2 inch

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