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Igoryamba
3 years ago
11

Write an expression to represent the circumference of the following circle.

Mathematics
1 answer:
Stells [14]3 years ago
3 0

Answer:

d

Step-by-step explanation:

it's option d bro...becoz

x + 10 is the diameter

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Help please will mark brainliest answer!!! ASAP!!!
dezoksy [38]
P = principal (initial amount), r = rate of interest, and t = time

So, A = 3000(1+0.025)^4

Answer: $3,311.44 (approximately)
6 0
3 years ago
A television is 28.5 inches wide and 16 inches long.
erastovalidia [21]

Answer:

C) 33 inches

Step-by-step explanation:

A^2 + B^2 = C^2

812.25 + 256 = C^2

1068.25 = C^2

32.684 = C

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4 0
2 years ago
The lengths of text messages are normally distributed with a population standard deviation of 4 characters and an unknown popula
umka21 [38]

Answer:

The answer is "(25.32, 30.68)"

Step-by-step explanation:

Given:

\bar x = 28\\\\ \sigma = 4\\\\n =26\\\\

When 98\% confidence level so, the z:

\alpha = 1 - 98\% = 1 - 0.98 = 0.2\\\\\frac{\alpha}{2} =\frac{0.02}{2} = 0.01\\\\Z_{\frac{\alpha}{2}} = Z_{0.01} = 1.645\ \ \  ( Using \ z \ table )\\\\

E = Z_{\frac{\alpha}{2} \times ( \frac{\sigma}{\sqrt{n}})  

= 1.645 \times (\frac{4}{\sqrt{26}})\\\\=2.68

When  98% confidence interval estimate of the population mean  is,

\bar x - E < \mu < \bar x + E\\\\28 - 2.68 <  \mu < 28 + 2.68\\\\25.32 <  \mu < 30.68\\\\(25.32,  30.68)\\\\

7 0
3 years ago
Solve for x: 4x + one half(2x + 4) &gt; 12
zalisa [80]

Answer:

x > 2

Step-by-step explanation:

Given

4x + \frac{1}{2}(2x + 4) > 12 ← distribute and simplify left side

4x + x + 2 > 12

5x + 2 > 12 ( subtract 2 from both sides )

5x > 10 ( divide both sides by 5 )

x > 2

3 0
3 years ago
What is the laterral surface area?
ch4aika [34]

Answer:

In other words, the surface area is the sum of all the areas of all the shapes that cover the surface of the object. On the other hand, the lateral surface area refers to the area of the sides of a shape , excluding its base and top area.

Step-by-step explanation:

6 0
3 years ago
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