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2 years ago

8

What was the temperature at sea level at 20,000 ft

1 answer:

kobusy [5.1K]2 years ago

6 0

Answer:

constant temperature is -56.5°C (-69.7°F), and this is also the lowest assumed temperature in respect to ISA.

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A cylinder has a volume of 245 cubic units and a height of 5 units. the diameter of a cylinder is?

Vadim26 [7]

Volume = <span>πd^2h/4
245 = </span><span>π x d^2 x 5/4
d^2 = (245 x 4)/5</span><span>π = 62.39
d = sqrt(62.39) = 7.9 units
</span>

4 0

2 years ago

Read 2 more answers

How do i round 4,398,202 to the nearest 100

Vikentia [17]

When you round 4, 398, 202 to the nearest 100 it means to ignore the 4,398 and just look at 202. You could either round to 200 or 300 since you want to round to the nearest 100. Since the ones place is 2, you round the number to 200.

Answer: 4,398,200

8 0

3 years ago

Read 2 more answers

are any two regular polygons similar. The area of the smaller figure is about 390 cm^2. choose the best estimate of the area of

galben [10]

Answer:

The best estimate of the area of the larger figure is $693\ cm^{2}$

Step-by-step explanation:

step 1

<em>Find the scale factor</em>

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor

Let

z----> the scale factor

x-----> the corresponding side of the larger figure

y-----> the corresponding side of the smaller figure

so

$z=\frac{x}{y}$

we have

$x=12\ cm$

$y=9\ cm$

substitute

$z=\frac{12}{9}=\frac{4}{3}$ -----> the scale factor

step 2

<em>Find the area of the larger figure</em>

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z----> the scale factor

x-----> the area of the larger figure

y-----> the area of the smaller figure

so

$z^{2}=\frac{x}{y}$

we have

$z=\frac{4}{3}$

$y=390\ cm^{2}$

substitute and solve for x

$(\frac{4}{3})^{2}=\frac{x}{390}$

$(\frac{16}{9})=\frac{x}{390}$

$x=390*16/9=693.33\ cm^{2}$

4 0

2 years ago

20 PTS + BRAINLIEST

Rom4ik [11]

Answer:

a) -6

b) 3

-------

a) 12

b) -2

Step-by-step explanation:

The initial value of the line is always the constant at the end of the equation.

The rate of change is always the coefficient of x.

6 0

2 years ago

Need heeeelp please

Juliette [100K]

Answer:

7.61577310586

Step-by-step explanation:

Pythagoras Theorem 7 squared + 3 squared= 49+9=58

$\sqrt{58}$

5 0

11 months ago