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3 years ago

Is 50 square root plus 2 square root irrational and equal to which of these four options

Mathematics

1 answer:

m_a_m_a [10]3 years ago

4 0

Answer:

Yes, 50 square root plus 2 square root irrational

$6\sqrt{2}$

Step-by-step explanation:

$\sqrt{50} + \sqrt 2$

$= \sqrt{25\times 2} + \sqrt 2$

$= 5\sqrt{2} + \sqrt 2$

$= 6\sqrt{2}$

Since, $\sqrt{2}$ is irrational.

Therefore, $\sqrt{50} + \sqrt 2$ is also irrational and

$\sqrt{50} + \sqrt 2=6\sqrt{2}$

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it cost 3.99 for 25 fl. oz or detergent or 6.99 for 90 fl. oz of detergent which is a better buy? and can you work it out please

Ierofanga [76]

The 90 fl. oz is a better buy
3.99/25=0.15
6.99/90=0.07

7 0

3 years ago

Solve 3[-x + (2 x + 1)] = x - 1

LenaWriter [7]

Answer:

<em><u>x=−2</u></em> if i could get brainliest that would be great

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3(−x+2x+1)=x−1

(3)(−x)+(3)(2x)+(3)(1)=x+−1(Distribute)

−3x+6x+3=x+−1

(−3x+6x)+(3)=x−1(Combine Like Terms)

3x+3=x−1

Step 2: Subtract x from both sides.

3x+3−x=x−1−x

2x+3=−1

Step 3: Subtract 3 from both sides.

2x+3−3=−1−3

2x=−4

Step 4: Divide both sides by 2.

2x/2=−4/2

x=−2

7 0

4 years ago

Read 2 more answers

Two points are located on a rigid wheel that is rotating with an increasing angular velocity about a fixed axis. The axis is per

exis [7]

Answer:

Same angular velocity

Same angular acceleration

Point 1 has greater tangential speed

Point 1 has greater tangential acceleration

Point 1 has greater centripetal acceleration

Step-by-step explanation:

Since both points are located on the rigid wheel, their angular velocity and acceleration must be the same for all point located on the wheel.

The tangential quantities, however, would depend on how far they are from the axis of rotation:

$v = \omega R$

$a_T = \alpha R$

$a_c = \omega^2 R$

where $\omega, \alpha$ are the angular velocity and acceleration, respectively, which is the same for 2 points. R is the radius of rotation. In this case point 1 has a larger radius since it lies on the rim and point 2 is only half way between.

Therefore, tangential speed, acceleration and centripetal acceleration of point 1 is larger than point 2.

5 0

4 years ago

A bank assigns random 4-digit numbers for atm access codes. in each code, no digit is repeated. use combinations to find the num

kirill [66]

The number of ways to select 4 digits from 10 digits is
₁₀C₄ = 10!/(4!*6!)
= (10*9*8*7*6!)/(4*3*2*1*6!)
= (10*9*8*7)/(4*3*2)
= 210

If order is not important, the number of arrangements of 6,7,8,9 in any order is
4! = 4*3*2*1
= 24
The probability that these 4 digits are assigned is
24/210 = 0.1143

7 0

4 years ago

Carrie is making a colorful beaded necklace. She has 3 times as many green beads

shusha [124]

Answer:

45 green beads

Step-by-step explanation:

Let the number of red beads be 'x'

Given that, Carrie has 3 times as many green beads as red beads

Number of green beads = 3 times number of red beads

Number of green beads = 3x

She 2 as many blue beads as green beads

Number of blue beads = 2 times the number of green beads

Number of blue beads = 2(3x) = 6x

She has 150 total

Therefore,

Number of red beads + Number of green beads + Number of blue beads = 150

x + 3x + 6x = 150

10x = 150

x = 15

Thus, number of green beads = 3x = 3(15) = 45

Thus there are 45 green beads

I hope this helps

6 0

3 years ago