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4 years ago

Which number is between pi and the square root of 14

Mathematics

1 answer:

nevsk [136]4 years ago

4 0

I'm not saying it's absolutely correct, but if it were to be graphed, it is accurately close to (7,22)

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Maria wants to buy a new couch that costs $850. She already has $250 in her piggy

natita [175]

Answer:

15 weeks

Step-by-step explanation:

850-250= 600

40*15= 600

6 0

3 years ago

If 20 assemblers can complete a certain job in 9 hours, how long will the same job take if the number of assemblers is cut back

adoni [48]

Answer:

6.75

Step-by-step explanation:

use the proportion:

1) 20:9=15:x

2) 20x=135

3) x=6.75

8 0

1 year ago

SOMEONE PLEASE HELP.

klio [65]

Answer:

Step-by-step explanation:

to solve this problem, we can use the proportion method,

x /40 = 150/1

cross multiply

x (1) = (150)(4)

x = 600

7 0

3 years ago

Answer pls give me answer

Vaselesa [24]

Answer:

Which question and can it be more clear

Step-by-step explanation:

4 0

3 years ago

Find an equation of the plane. The plane through the points (0, 9, 9), (9, 0, 9), and (9, 9, 0) Incorrect: Your answer is incorr

Andrei [34K]

Answer:

The equation of the plane is represented by $\frac{1}{18}\cdot x + \frac{1}{18}\cdot y + \frac{1}{18}\cdot z = 1$ .

Step-by-step explanation:

Algebraically speaking, a plane can be represented by following vectorial product:

$(a,b, c)\,\bullet\,(x,y,z) = 1$ (1)

Where:

$a$ , $b$ , $c$ - Plane coeffcients.

$x$ , $y$ , $z$ - Coordinates.

We need three distinct points to determine all coefficients. If we know that $(x_{1},y_{1},z_{1}) = (0,9,9)$ , $(x_{2},y_{2}, z_{2}) = (9,0,9)$ and $(x_{3},y_{3},z_{3}) = (9,9,0)$ , the system of equations to be solved is:

$9\cdot b + 9\cdot c = 1$ (1)

$9\cdot a + 9\cdot c = 1$ (2)

$9\cdot a + 9\cdot b = 1$ (3)

The solution of this system is $a = \frac{1}{18}$ , $b = \frac{1}{18}$ , $c = \frac{1}{18}$ .

Hence, the equation of the plane is represented by $\frac{1}{18}\cdot x + \frac{1}{18}\cdot y + \frac{1}{18}\cdot z = 1$ .

7 0

3 years ago