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hammer [34]
3 years ago
9

ILL MARK BRAINLIEST SOMEONE HELP PLSPLSOLSPLAPLSPSLSLJFJ ASAPAPAPPAP

Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer:

You would have to look at the explanation since there are multiple

Step-by-step explanation:

-7x + 1 would have to be greater than or equal to 15.

-7(2) + 1 = 15 so you would mark a filled in dot at 2 and point an arrow going to the right.

6x + 3 must be greater than or equal to -21.

6(-4) + 3 would equal -21 so you would mark a filled in dot at negative 4 with an arrow going to the right.

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Find the product of 4.1x10*2<br><br><br>​
Lera25 [3.4K]

Answer: 410

Step-by-step explanation:

8 0
3 years ago
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Randy has to pick two people to work with out of 15. How many different groups can he pick?
Novosadov [1.4K]
He can only pick 7 different groups because 2 times 7 is 14, and there are 15 people in all.

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5 0
3 years ago
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A sound wave travels through iron at a rate of 5120\,\dfrac{\text{m}}{\text{s}}5120 s m ​ 5120, start fraction, start text, m, e
klio [65]

Answer:

18432 km/h

Step-by-step explanation:

It is given that a sound wave travels through iron at a rate of 5120 m/s.

We know that

1 km = 1000 m

1 hour = 60 minutes

1 minutes = 60 second

Using these conversions we get

1 m = 0.001 km

1 hour  = 3600 second

5120\text{ m/s }=5120\times 0.001\times 3600\text{ km/h}

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Therefore, the sound wave travels through iron at a rate of 18432 km/h.

6 0
3 years ago
Suppose that y varies inversely as x, and x=9 when y=15. Find the value for k and write the function. Group of answer choices La
Radda [10]

Answer:

see explanation

Step-by-step explanation:

Given that y varies inversely as x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition that x = 9 when y = 15

15 = \frac{k}{9} ( multiply both sides by 9 )

k = 135

y = \frac{135}{x} ← equation of variation

8 0
3 years ago
Okay so this is for my math homework that I wasn't able to do earlier.
WITCHER [35]

What is the question?????

4 0
3 years ago
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