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kolezko [41]
3 years ago
7

How to do this problem

Mathematics
1 answer:
Dmitrij [34]3 years ago
3 0

Sorry, I don’t know lol

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Help please i don’t understand and this is do today :/!!
aleksklad [387]
The answer is 6.4
This is why

8 0
3 years ago
What is the solution of the system? Use substitution.
trasher [3.6K]

Hi

4x-y=5

3x-7=2

We need to solve 3x-7=2 for x

Let's start by adding 7 to both sides

3x-7+7=2+7

3x=9

Now just divide both sides by 3 so we can find the value for x

3x/3=9/3

x=3

Now substitute 3 for x in 4x-y=5

4x-y=5

(4)(3)-y=5

-y+12=5

Now add -12

-y=12-12=5-12

-y=-7

Divide both sides by -1 so we can eliminate the negative sign

-y/-1=-7/-1

y=3

The answer is A

(3,7)

I hope that's help:0

6 0
3 years ago
A hummingbird can make up to 150 flaps in 4 seconds. How long will it take for it to flap its wings 1000 times?
andreev551 [17]
1000/150 = 6 2/3 * 4 = 26 2/3 seconds
6 0
3 years ago
My teacher wrote the answer on the right but he wants me to show how he did it
Airida [17]

865 is the answer of this question...

4 0
3 years ago
SEAGULLS A biologist studying seagulls estimates that 5% of the seagulls in a flock have been banded. If 22 of the seagulls have
mina [271]

Answer:

440 seagulls

Step-by-step explanation:

Total number of seagulls in flock = Number of seagulls have banded / Percentage of seagulls have banded

Total number of seagulls in flock = 22 / 5%

Total number of seagulls in flock = 22 / 0.05

Total number of seagulls in flock = 440 seagulls

6 0
2 years ago
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