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3 years ago

√0.64x² if x≤0 its a simplification problem and the root covers the entire expression

1 answer:

3 0

The square root symbol (√) signifies the principal square root, that is, the positive one. So √(x^2) = |x|

For x ≤ 0, √(0.64x^2) = -0.8x

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Work

liubo4ka [24]

Answer:

Step-by-step explanation:

the quotient of is the result of dividing two terms

The first term is - Twice a number t: 2t

The second term is - and 12: 12 2t÷12or 2t12

7 0

3 years ago

Amanda spent a total of 70 minutes competing her chores this week. Write and solve an equation to represent the number of minute

gtnhenbr [62]

Answer:

28 minutes spent in washing the dishes.

Step-by-step explanation:

Given the table

Chore time in minutes

Sweeping 42

Dishes ?

Amanda spent a total of 70 minutes competing her chores this week

Total of 70 minutes spent

42 minutes spent in sweeping . to find the number of minutes Amanda spent in washing the dishes , subtract 42 minutes from the total time spent

let x be the number of minutes spent washing the dishes

$42+x=70$

To solve for x , subtract 42 from both sides

$42+x=70\\x= 70-42\\x=28$

28 minutes spent in washing the dishes.

4 0

3 years ago

Can someone do this equation for me -11=a+5+7a

evablogger [386]

Answer:

a=-2

Step-by-step explanation:

5 go to another side by negative sign

and the coefficients of a will added

-16=8a

8 go to the other side

a=-2

8 0

3 years ago

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Jacques needs to convert the function f(x) = x2 − 6x + 14 to vertex form, f(x) = (x − h)2 + k, in order to find the minimum.

Bond [772]

Answer:

C. 5

Step-by-step explanation:

4 0

4 years ago

Find 4 times 213 useing expanded form

notka56 [123]

4 x 213 = 4 x (200 + 10 + 3) = 852

8 0

3 years ago

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