4 years ago

Q1 What does barometric pressure measure?

Mathematics

1 answer:

Anna [14]4 years ago

6 0

1. I think is 3
2. I think is 2
3. I think is 1

I hope this helps ^-^

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Write a polynomial of least degree with roots 0 and -4

qaws [65]

Answer:

$x^2+4x$

Step-by-step explanation:

$x(x+4)$ has solutions of $x=0$ and $x=-4$ , which expands to $x^2+4x$

6 0

3 years ago

Evaluate 17p - 2, when p = 1

Bad White [126]

Answer:

It's 15

Step-by-step explanation:

17(1)=17

17-2=15

8 0

3 years ago

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Citrus2011 [14]

Answer:

Step-by-step explanation:

6 0

3 years ago

I have just one question, could someone please answer it?? (see linked file)

Annette [7]

The solution is x=1 and y=-2

Further explanation:

Given equations are:

$\frac{7}{2}x-\frac{1}{2}y=\frac{9}{2}\\3x-y=5$

Multiplying equation no. 1 with 2 will give us:

$7x-y=9$ Eqn 3

From equation no 2:

$3x-y=5\\-y=5-3x\\y=3x-5$

Putting the value of y in eqn 3

$7x-(3x-5)=9\\7x-3x+5=9\\4x=9-5\\4x=4\\\frac{4x}{4}=\frac{4}{4}\\x=1\\Putting\ x=1\ in\ equation\ 2\\3(1)-y=5\\3-y=5\\-y=5-3\\-y=2\\y=-2\\$

The solution is x=1 and y=-2

Keywords: Linear equations, Solution set

Learn more about linear equations at:

#LearnwithBrainly

8 0

3 years ago

A hot dog stand at the fair sells hot dogs for $2 and drinks for $1. If the number of hot dogs you bought is 8 less than four ti

Kryger [21]

$2 + $1 = $3

8 x 4 = 32

32 - $20 = $12

You will have $12 dollars to buy the hot dogs.

I hope I helped you! :D

5 0

3 years ago