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3 years ago

15

PLEASE HELP!!!!To make waffles, you need 2 cups of water for every 3 cups of flour. Write an equivalent ratio to find how much w

ater you will need with 9 cups of flour. Redo

1 answer:

Paha777 [63]3 years ago

4 0

2/3=x/9 or 2/3=6/9. I hope this helps.

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Jefferson middle school is selling tickets to a choral performance. On the first day of ticket sells they sold 4 adult tickets a

scoundrel [369]

Answer:

Adult is $12 and child is $7

Step-by-step explanation:

Adult=x and Children=y

first day: 4x+1y=55

second: 3x+2y=50

Get one letter the same but opposite

(4x+1y=55) times that by -2

-8x+-2y=110

3x+2y=50

minus all of that u get

-5x=60

divide 60 by 5

x=12

fill in X

3(12)+2y=50

36+2y=50

-36 -36

2y=14

/2 /2

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3 years ago

Simplify sin^2y/sec^2 y−1 to a single trigonometric function

liubo4ka [24]

Answer:

$\frac{ { \sin}^{2} y}{ { \sec}^{2}y - 1 } = { \cos }^{2} y$

Step-by-step explanation:

We know that ${ \tan }^{2} y = { \sec }^{2} y - 1$

Also , ${ \tan}^{2} y = \frac{ { \sin }^{2} y}{ { \cos }^{2}y }$

So ,

$\frac{ { \sin }^{2}y }{ { \sec }^{2}y - 1 } = \frac{ { \sin}^{2} y}{ { \tan }^{2} y} = \frac{ { \sin }^{2}y }{ \frac{ { \sin}^{2} y}{ { \cos}^{2}y } } = { \cos }^{2} y$

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2 years ago

The yoga instructor at Universe Fitness spent $1,925 on 200 items for the upcoming yoga seminar. He purchased yoga mats for $12.

Alex17521 [72]

Answer:

The auditing book is not accurate

Step-by-step explanation:

25($12.5)+50($8)+125($10)+= $1,925

$312.5 + $400 + $1,250 = $1,925

$1,962.5 not= to $1,925

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3 years ago

What is the area and perimeter of this triangle

Fynjy0 [20]

Answer:

P= 221cm

A=2044

Step-by-step explanation:

Perimeter : add all sides so 73+92+56= 221 cm

Area: 73(56/2)= 2044

7 0

3 years ago

Read 2 more answers

marie and jessie fly from detroit to new york their flight leaves at 1:00 pm and they arrive at 5:00pm if they flew avout 600 mi

enot [183]

150 miles per hour (pretty slow for a plane so I hope that's correct)

3 0

3 years ago