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3 years ago

1. AQRS ~ ATUV; find x 54 S R U 36 의 24. x+5 T

Mathematics

1 answer:

Dmitrij [34]3 years ago

5 0

Step-by-step explanation:

x+5=36

or, x=36-5

or, x=31

The value of x=31

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The volume of a cone is 196π ft ^3 . It's radius is 7 ft. Find the height.

Free_Kalibri [48]

Answer:

the height is about 12

Step-by-step explanation:

plug into the equation $V=\pi r^{2}\frac{h}{3}$

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3 years ago

Ln x-ln(x-5)=ln2 Help in this problem please having problems on my homework

Eddi Din [679]

17 because you need to multiply

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3 years ago

The time it takes a student to walk from the dorm to the chemistry lab follows roughly a Normaldistribution with a mean of 20 mi

creativ13 [48]

Answer:

95.15%

Step-by-step explanation:

We have that the mean (m) is equal to 20, the standard deviation (sd) 3

They ask us for P (x <25)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / sd

We have all these values, replacing we have:

z = (25 - 20) / (3)

z = 1.66

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <1.66) = 0.9515

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4 years ago

Adult tickets to Space City amusement park cost x dollars. Children's tickets cost y dollars. The Garcia family bought 3 adult a

KengaRu [80]

let the number of adult tickets be x and the number of children tickets be y

3x + y = 164...equ(1)

2x + 3y = 174....equ(2)

multiplying equation 1 by 3

9x + 3y = 492

subtracting equation 2 from 1

7x = 318

x = 45.43 dollars

substituting the value of x into the equation

3(45.428) + y = 164

y = 164 - 3(45.428)

∴y = 27.71 dollars

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3 years ago

What is the simplified value of the exponential expression 16 Superscript one-fourth?

pochemuha

Answer:

The value of the exponential expression $16^{\frac{1}{4}}$ is 2

Solution:

16 superscript one-fourth= $16^{\frac{1}{4}}$

As per the problem,

We have to find the value of $16^{\frac{1}{4}}$

16 in terms of 2 can be written as $2\times2\times2\times2$

= $(2 \times 2 \times 2 \times 2)^{\frac{1}{4}}$

= $\left(2^{4}\right)^{\frac{1}{4}}$

As per the exponential rule, $a^{(m)^{n}}=a^{m \times n}$

= $2^{4 \times \frac{1}{4}}$

Here, $4\times\frac{1}{4}=1$

= $2^{1}$

= 2

Hence, the value is 2.

9 0

3 years ago

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