3 years ago

Someone please tell me the answer

Mathematics

1 answer:

Schach [20]3 years ago

5 0

Answer:

3¹²

Step-by-step explanation:

You might be interested in

Calvin buys a book for $14.70, which is a %30 discount off the original price

tatyana61 [14]

$10.29 (14.7)(.3)= 4.41. 14.7-4.41

8 0

3 years ago

a closed circular water tank in a subdivision is made up of concreate aluminum. its outer diameter is 8.4 m and its height is 12

m_a_m_a [10]

Answer:

122.7792 sq. m

Step-by-step explanation:

diameter= 8.4 m

therefore, radius = r = 4.2 m.......( as radius is 1/2 of diameter)

height = h= 12 m

only the exterior is to painted so the total surface area of the cylinder is taken,

total surface area of cylinder = 2π r( h+r)

=2* 3.14* 4.2*(12+4.2)

=122.7792 sq. m

5 0

3 years ago

Find the missing value when given the modulus. <br><br> |48+bi|=50

xxMikexx [17]

Answer:

missing value b is 14

Step-by-step explanation:

We have been given the modulus of a complex number which is

$r=\sqrt{a^2+b^2}$

Here on comparing the given complex number with general a+bi we get:

a=48 and b=b

On substituting the values in the formula for modulus we get:

$\sqrt{48^2+b^2}=50$

$\Rightarrow 2304+b^2=50^2$

$\Rightarrow b^2=2500-2304$

$\Rightarrow b^2=196$

$\Rightarrow b=\sqrt{196}$

$\Rightarrow b=14$

Therefore, missing value b is 14

4 0

3 years ago

What is the equation for x multiplied by 2/5 is 3/20

MaRussiya [10]

x * 2/5 = 3/20

2/5 = 0.4

3/20 = 0.15

0.15 / 0.4 = 0.375

0.375 = x

x = 3/8

4 0

3 years ago

Which of the following is the equation of a line in slope-intercept form for a line with slope = 1/4 and y-intercept at (0, -1)?

NARA [144]

The answer is is D y=1/4x-1

6 0

3 years ago