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Kazeer [188]
3 years ago
6

-2x+5y=20 solve for y​

Mathematics
1 answer:
Natali5045456 [20]3 years ago
3 0

Answer:

4

Step-by-step explanation:

See the image below:)

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If kenedell was born i 2009 feb.17 how old is she in 2040
k0ka [10]

Answer:

Don't subtract exactly or it will be incorrect, you'll have to add the years, and differentiate the leap years

Step-by-step explanation:

30 yrs old

sorry I dont have a shorter method

7 0
3 years ago
2 divided by square root 13 plus square root 11
coldgirl [10]

Answer: 3.87132498658 in other words 3.871

Step-by-step explanation:

4 0
2 years ago
The equation K = mv2 represents the energy an object has based on its motion. The kinetic energy, K, is based on the mass of the
docker41 [41]
<span>The answer is She should have multiplied by 2 instead of dividing by 2.
First one.</span>
6 0
3 years ago
Read 2 more answers
A phone company offers two monthly plans. Plan A costs $10 plus an additional $0.15 for each minute of calls. Plan B costs $30 p
Mkey [24]

First, you need to write to expressions to model each situation:

Plan A: 10+0.15x

Plan B: 30+0.1x


Next, set the expressions equal to each other and solve for x:

10+0.15x=30+0.1x

<em>*Subtract 0.1x from both sides to isolate the variable*</em>

10+0.05x=30

<em>*Subtract 10 from both sides*</em>

0.05x=20

<em>*Divide both sides by 0.05*</em>

x=400


The plans would have the same cost after 400 minutes of calls.


To find how much money the plans cost at 400 minutes, plug 400 into either expression.  We'll use Plan A:

10+0.15(400)

10+60

70


The plans will cost $70.


Hope this helps!

3 0
3 years ago
What is the domain, range, and function? {(-3, 3), (1, 1), (0, -2), (1,4), (5, -1)}
wolverine [178]

The domain are all the inputs, that is; the x-values

Domain = { -3, 0, 1, 5}

The range are all the output, that is the y-values

Range = { 3, 1, -2, 4, -1}

This is just a relation and not a function, as we have more than 2 same value of x

8 0
1 year ago
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