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sweet [91]
3 years ago
5

「路學參

Mathematics
1 answer:
romanna [79]3 years ago
6 0

Answer:

The answer is yes, because 2 × 10⁶ < 18,400,000, human can distinguish pixels on a same-sized HDTV.

Step-by-step explanation:

Step 1:

2⋅10⋅10⋅10⋅10⋅10⋅10 = 20⋅10⋅10⋅10⋅10⋅10 = 200⋅10⋅10⋅10⋅10 = 2,000⋅10⋅10⋅10 = 20,000⋅10⋅10 = 200,000⋅10 = 2,000,000

​Step 2:

Because 2 × 10⁶ < 18,400,000, human can distinguish pixels on a same-sized HDTV.

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Triangle N T M is shown. Angle N T M is a right angle. An altitude is drawn from point T to point U on side N M to form a right
Olenka [21]

The value of y in the triangle is B. 6✓3.

<h3>How to calculate the value?</h3>

From the information given,

NU = 9

UM = 3

MN = 3 + 9 = 12

NT² = 9 × 12 = 108

NT = ✓108

NT = 6✓3

Therefore, y is 6✓3.

The value of y in the triangle is 6✓3.

Learn more about triangles on:

brainly.com/question/14925821

#SPJ1

3 0
2 years ago
The sine of 330º angle is the same as the sine of 30º.<br> true <br> false
miskamm [114]
False I think I don't know
6 0
3 years ago
What statistical procedure would a college admissions office use if they wanted to know if doing physical exercises can help the
ziro4ka [17]

Answer: ANOVA

Step-by-step explanation:

The statistical procedure that a college admissions office would use if they wanted to know if doing physical exercises can help the same group of students improve their GPA is the ANOVA.

Analysis of variance is used to know whether the means there's a significant difference between two or more groups. Different sample means will be compared in order to checks the effect of the factors involved. Based on the question above, the null hypothesis will be that physical activity doesn't have a significant relationship with the GPA of the college students.

4 0
3 years ago
I need help with this problem!
Cloud [144]

Answer:

The answer to your questions is:  2.8 km

Step-by-step explanation:

1)        tan Ф = \frac{10}{a}

         a = \frac{10}{tan 29}

         a = \frac{10}{0.887}

         a = 11.27

       

2)      tan Ф = \frac{10}{b}

         b = \frac{10}{tan 53}

          a = 11.27/ 1.33

          a = 8.47

Distance between the towns = 11.27 - 8.47

                                                = 2.8  km

7 0
3 years ago
) Let F = xi + 2x À Find the particular parametrization of the flow line that goes through the point (4,5) and t = 0.
Agata [3.3K]

Answer:

  x=4e^{t}\\y =8e^{t}+5

Step-by-step explanation:

Given that

                   F = x\hat{i}+2x\hat{j} --- (1)

with initial conditions

                            x(0) = 4 ;     y(0) = 5

from given eq (1)

x'(t)=x\\\frac{1}{x}dx=dt\\ln[x]=t+c_{1}\\x=Ce^{t}

using initial condition  at t = 0, x = 4

                                    4=Ce^{0}\\C=4

                                      x=4e^{t} ---- (2)

                                     y'(t)=2x\\y =2xt+B\\

Using initial conditions:

                                    y =2xt+B

                                      ⇒B = 5

                            y =2(4e^{t})t+5\\y =8e^{t}+5

8 0
4 years ago
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