All categories

3 years ago

Describe how to write 6,397,000,000 in scientific notation.

Mathematics

1 answer:

vesna_86 [32]3 years ago

3 0

Answer:

very eassy 6.3970*10^9

Step-by-step explanation:

You might be interested in

A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9

o-na [289]

Answer: $12.74 ft^2/s$

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let $\theta$ is the angle between them thus

Area of triangle when two sides and angle between them is given

$A=\frac{ab\sin C}{2}$

$A=\frac{5\times 7\times \sin \theta }{2}$

Differentiate w.r.t time

$\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}$

at $\theta =\frac{\pi }{5}$

$\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9$

$\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s$

4 0

4 years ago

I’m stuck, need help, please?

Ymorist [56]

Answer:

C. Line 3

Step-by-step explanation:

4 0

3 years ago

10x-3y+2y<br> Write the expression with fewer terms.

zlopas [31]

Answer:

10x-1y

hope this helps

have a good day :)

Step-by-step explanation:

3 0

3 years ago

3. Find f[h(a+4)], given the functions below. *

mote1985 [20]

Answer:

C 5a^2 +70a +240

Step-by-step explanation:

We have given these following functions:

$f(x) = 5x, g(x) = -2x + 1, h(x) = x^2 + 6x + 8$

h(a+4)

This function is:

$h(a+4) = (a+4)^2 + 6(a + 4) + 8$

$h(a+4) = a^2 + 8a + 16 + 6a + 24 + 8$

$h(a+4) = a^2 + 14a + 48$

f[h(a+4)]

$f(x) = 5x$

Thus

$f(h(a+4)) = f(a^2+14a+48) = 5(a^2 + 14a + 48) = 5a^2 + 70a + 240$

The correct answer is given by option C.

8 0

3 years ago

Help plzzzzzzzzzzz I will give branniest

Agata [3.3K]

Answer:

Set 1 Angle A is 90

Set 1 Angle B is 45

Set 2 Angle B is 15

Set 2 Angle C is 90

Set 1 Angles A and C are both 62

Set 2 Angles B and D are both 120

Step-by-step explanation:

4 0

2 years ago