All categories

3 years ago

Solve for A a=22/7•13/4^2

Mathematics

2 answers:

Mkey [24]3 years ago

7 0

Answer:

A= ~2.55

Step-by-step explanation:

Using Pemdos, or gemdos, you can find you do the exponent first

4^2 = 16

then to everything else in left to right order since they're all multiplication or division

22/7 = ~3.14 * 13 = ~40.86/16 = ~2.55

(I'm using "~" to mean about/rounded to)

erik [133]3 years ago

7 0

A=2.55

Solve 4^2=16

If u wanna uses the calculator write it like this:
(22/7)•(13/16)

Then u get the answer

You might be interested in

Can someone please help me with this

galina1969 [7]

Ooof, this is a lot! XD, anyway the answer are in the pictures.

8 0

3 years ago

Write three equivalent ratios for 5/45 and 3/5

Tatiana [17]

(Sorry if I'm wrong just taking a shot at it)
For 5/45... 2.5/22.5, 10/90, 20/180. ^
For 3/5... 6/10, 12/20, 24/40 ^

3 0

3 years ago

The volume of the cone shown is 5 cubic inches. What is the height of a cone with the same base diameter but a volume of 10 cubi

MaRussiya [10]

Answer:

The height of the second cone is 2 h₁.

Step-by-step explanation:

The volume of a cone is:

$V=\pi\ r^{2}\frac{h}{3}$

The volume of the first cone is, V₁ = 5 in³.

The volume of the second cone is, V₂ = 10 in³.

The two cones have the same base diameters.

This implies that the two radii are same, i.e. r₁ = r₂.

Compute the height of the second cone as follows:

$r_{1}=r_{2}$

$\frac{3\cdot V_{1}}{\pi\ h_{1}}=\frac{3\cdot V_{2}}{\pi\ h_{2}}$

$\frac{V_{1}}{h_{1}}=\frac{V_{2}}{ h_{2}}$

$\frac{5}{h_{1}}=\frac{10}{h_{2}}$

$h_{2}=2\ h_{1}$

Thus, the height of the second cone is 2 h₁.

7 0

2 years ago

How would I solve (-2-2i)(-4-3i)(7+8)

siniylev [52]

$(-2-2i)(-4-3i)(7+8)=\\
15(-2-2i)(-4-3i)=\\
15(8+6i+8i-6)=\\
15(2+14i)=\\
30+210i$

5 0

3 years ago

Is he square root of -144 rational or irrational?

gladu [14]

Answer:

Step-by-step explanation:

Neither.

It is a complex number. The - sign is the culprit. sqrt(-144) = i * sqrt(144) = 12 i

The "i" is an imaginary representation for the square root of -1. It is a definition for sqrt(-1). So a new category of number has been created. The ancients would have been profoundly surprised to learn that such a thing existed.

3 0

2 years ago