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Viefleur [7K]
3 years ago
12

When a ruby-throated hummingbird hovers, it beats its wings about 55 times

Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0
The correct answer is option 3, 6,600
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3(3u-2)=2(3u+3)<br> What is the steps
sattari [20]
Hopes this helps:

Answer: u = 4

1. Expand.
9u - 6 = 6u + 6


2. Add 6 to both sides.
9u = 6u + 6 + 6


3. Simplify 6u + 6 + 6 to 6u + 12.
9u = 6u + 12


4. Subtract 6u from both sides.
9u - 6u = 12


5. Simplify 9u - 6u to 3u.
3u = 12


6. Divide both sides by 3.
u = 12/3


7. Simplify 12/3 to 4.
u = 4

6 0
3 years ago
Ken has a total of 74 notes. They are either $2 or $5 notes. He has 16 more pieces of $5 notes than $2 notes. Find the total val
Anton [14]

Answer:

$283

Step-by-step explanation:

Let,

   x - for $2 notes

   x + 16 - for $5 notes

EQUATION:

  (x) + (x + 16) = 74

  2x = 74 - 16

  2x = 58

  x = 29

SUBSTITUTE

  x = 29 pieces of $2 notes

  x + 16 = 29 + 16 = 45 pieces of $5 notes

TOTAL VALUE IS:

   (29 x $2) + (45 x $5) = $283

5 0
2 years ago
X+8&gt;18<br><br>Solve the inequality
tigry1 [53]

Answer:

Alright well the Answer to your question is

x > 10 Hope this helps :)

Step-by-step explanation:


7 0
4 years ago
Last oneeeee!!!! :)
Elanso [62]

Answer:

(0, 3)

Step-by-step explanation:

(-4+4)/2 , (7-1)/2

0/2 , 6/2

0, 3

4 0
3 years ago
Read 2 more answers
Solve by substitution. Please show work<br> -x+9y=-5<br> x-5y=1
kkurt [141]

Let's solve for x.

−x+9y=−5

Step 1: Add -9y to both sides.

−x+9y+−9y=−5+−9y

−x=−9y−5

Step 2: Divide both sides by -1.

−x ÷ −1 = −9y−5 ÷ −1

x=9y+5

THE ANSWER FOR THE OTHER EQUATION: (x-5y=1)

Let's solve for x.

x−5y=1

Step 1: Add 5y to both sides.

x−5y+5y=1+5y

x=5y+1

Answer:

x=5y+1

I hope this helped I was a little confused on what your problem meant...so if this is not what you asked for just lmk so I can fix it for you :)

3 0
3 years ago
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