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Zielflug [23.3K]

3 years ago

5

Akash has already spent 4 minutes on the phone, and he expects to spend 1 more minute with every phone call he routes. In all,ho

w many phone calls does Akash have to route to spend a total of 37 minutes on the phone?

2 answers:

wariber [46]3 years ago

6 0

I am almost positive 6 phone calls

Leya [2.2K]3 years ago

4 0

37 or u38 not completely sure

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4. Simplify the expression:

Natalija [7]

Answer:

<h2>A. 2x² + 5x + 1</h2>

Step-by-step explanation:

$7x^2-6+4x+7-5x^2+x\qquad\text{combine like terms}\\\\=(7x^2-5x^2)+(4x+x)+(-6+7)\\\\=2x^2+5x+1$

3 0

3 years ago

What is 50 times 100

MArishka [77]

5,000
You would do 5 x 1= 5 and then add the three zeros

4 0

3 years ago

Read 2 more answers

What is the simplified form of the following expression?

Igoryamba

Answer:

169 is the answer.

Step-by-step explanation:

I used a calculator.

7 0

3 years ago

Empathy means being able to understand what others feel. To see how the brain expresses empathy, researchers recruited 16 couple

yulyashka [42]

Answer:

the residual is 0.2032

Step-by-step explanation:

The regression line has been given as:

Y^ = 0.00753X-0.06759

The paired observation for X is (31, 0.369)

The value of X is the empathy score under subject 15 = 31

The value of the brain activity under subject 15 is 0.369

So we have y^ = 0.00753(31) - 0.06759

= 0.1658

Then the residual = y - y^

= 0.369 - 0.1658

= 0.2032

Therefore the residual is 0.2032

Please check the attachment for the table, it will aid you in understanding the solution

4 0

3 years ago

I need help please and thank you

BartSMP [9]

Answer:

3.33×10⁴

Step-by-step explanation:

You can use the hint, or you can use a common exponent. Here is the latter case.

(3.9×10⁴) -(5.7×10³) = (3.9×10⁴) -(0.57×10⁴) = (3.9 -0.57)×10⁴

= 3.33×10⁴

_____

With a little practice, you can see the effect on exponents of moving the decimal point. Here, we have ...

5.7×10³ = (0.57×10)×10³ = 0.57×(10×10³) = 0.57×10⁴

__

When adding or subtracting in scientific notation, all that is required is that the exponents of all the numbers be the same. The hint says make all the exponents be 0. Above, we have chosen to make them all be 4. You could also use 3:

(3.9×10⁴) -(5.7×10³) = (39×10³) -(5.7×10³) = (39 -5.7)×10³

= 33.3×10³ = 3.33×10⁴

6 0

3 years ago