All categories

3 years ago

Help me please please

Mathematics

2 answers:

tatyana61 [14]3 years ago

5 0

Answer:

6.91 times 6.91 equals 47.7481

47.7481 times π equals 150.005080183

to the second digit this is

150.01

densk [106]3 years ago

4 0

150.01 is the answer

You might be interested in

Please help me with this

ASHA 777 [7]

Answer:

trophospe we it's where planes and aircraft fly

6 0

2 years ago

Read 2 more answers

What is the answer to 3/5(10x-1/3)-x+6/5

seraphim [82]

Answer:

5x + 1

Step-by-step explanation:

7 0

3 years ago

When the sun has risen 32 degrees above the horizon, Sandy casts a shadow that is 9 feet 2 inches long. How tall is Sandy, to th

Makovka662 [10]

Answer:

The height of Sandy is 68.74 inches.

Step-by-step explanation:

It is given that the sun has risen 32 degrees above the horizon. It means the angle of elevation is 32°.

Let the height of Sandy be x.

Sandy casts a shadow that is 9 feet 2 inches long.

We know that 1 feet = 12 inches

Using this conversion, we get

Shadow = 9 feet 2 inches = 9(12)+2 = 110 inches

In a right angled triangle,

$\tan\theta =\frac{perpendicular}{base}$

In triangle ABC,

$\tan(\angle C)=\frac{AB}{BC}$

$\tan(32^{\circ})=\frac{x}{110}$

Multiply both sides by 110.

$110\tan(32^{\circ})=x$

$68.73562871=x$

$x\approx 68.74$

Therefore the height of Sandy is 68.74 inches.

8 0

3 years ago

The relative growth rate for a certain type of bacteria population is 85% per hour. A small culture has formed and in just 2 hou

harkovskaia [24]

Let us assume the initial number of bacteria in the culture = xAfter 1 hour,The number of bacteria = 185x/100 = 1.85xAfter 2 hours,The number of bacteria = (185 * 1.85x)/100 = 3.42xSo3.42x = 12500x = 12500/3.42 = 3654.97 = 3655From the above deduction, we can conclude that the initial number of bacteria in the culture is 3655.

8 0

3 years ago

Read 2 more answers

Bob’a last delivery from Conco oil Company was $125.32. A total of 80.5 gallons was delivered. What was the price per gallon to

julia-pushkina [17]

Answer:

$1.56

Step-by-step explanation:

125.32 : 80.5 = 1.55677 => ~1.56$

5 0

3 years ago