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Svetach [21]
3 years ago
9

Find the absolute value of the complex number –4.0 – 7.0i. 8.06 8.16 8.6 8.61

Mathematics
1 answer:
FromTheMoon [43]3 years ago
5 0

Answer:

A) 8.06

Step-by-step explanation:

Edge21

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Hey can you please help me posted picture of question
Kamila [148]
A polynomial is defined as a collection of variables and constant terms combined by various mathematical operations. The exponents of the variables in a polynomials must be non-negative integers.

If you observe the given options, one of the option (option B) contains a negative exponent. Hence the expression in option B is not a polynomial.
5 0
3 years ago
A cylindrical hole is bored through a steel block, and a cylindrical piston is machined to fit into the hole. The diameter of th
prisoha [69]

Answer:

The diameter of the hole is 20.04 ± 0.01 cm

The diameter of the piston is 19.92 ± 0.04 cm.

We are given that The clearance is one-half the difference between the diameters.

So, Clearance = \frac{1}{2}(20.04-19.92)

                      = 0.06

Uncertainty in the estimate =  \frac{1}{2}(0.01+0.04)

                                              =  0.025

So, Clearance with uncertainty is 0.06\pm 0.025

Hence  the clearance is 0.06 and the uncertainty in the estimate. is 0.025

                       

3 0
3 years ago
Roy is 11 years old and his uncle is 59 years old. How many years ago was Roy’s uncle 7 times as old as Roy?
DiKsa [7]

Answer:

answer : 3 years ago

Step-by-step explanation:

Let x years ago.

59−x=7(11−x)

59−x=77−7x

6x=18

x=3

=3 years ago

8 0
2 years ago
The x-intercept shows that you can buy short-sleeve shirts and long-sleeve shirts. The y-intercept shows that you can buy long-s
Sergeu [11.5K]

Question:

You are ordering short-sleeve shirts (x) for $10 and long-sleeve shirts (y) for $15. Your budget is $300. Write the equation and find the intercepts.

Interpret their meaning.

Answer:

The x-intercept shows that you can buy 30 short-sleeve shirts and 0 long-sleeve shirts.

The y-intercept shows that you can buy 20 long-sleeve shirts and 0 short-sleeve shirts.

Step-by-step explanation:

Given

$10 per short sleeve

$15 per long sleeve

Budget = $300

The above can be represented as:

Total Cost of Short Sleeve + Total Cost of Long Sleeve = Budget

i.e.

10 * x + 15 * y =300

10x + 15y =300

To solve for the y intercept, we set x to 0

10 * 0 + 15y =300

15y =300

Divide through by 15

y = 20

<em>This implies that, you can buy 0 short sleeves and 20 long sleeves</em>

To solve for the x intercept, we set y to 0

10x + 15 * 0 = 300

10x  = 300

Divide through by 10

x = 30

<em>This implies that, you can buy 0 long sleeves and 30 short sleeves</em>

6 0
3 years ago
How do you write y=3x-2 in standard form
Karo-lina-s [1.5K]

Answer:

3x-y=2

Step-by-step explanation:

y=3x-2  minus 3x

-3x+y=-2    divide by -1

3x-y=2     answer

6 0
3 years ago
Read 2 more answers
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