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3 years ago

One less than four times a number is 11.

2 answers:

7 0

X=the number
4x-1=11
If you wanted to solve it
4x-1=11
4x-1+1=11+1 add 1 on both sides
4x/4=12/4 divide 4 on both sides
x=3 solution

Novosadov [1.4K]3 years ago

7 0

It equals 3 because 3x4=12-1=11

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A cone with a radius 2 units is shown below. Its volume is 29 cubic units. Find the height of the cone

rusak2 [61]

Answer:

The height of the cone is $6.9\ units$

Step-by-step explanation:

we know that

The volume of the cone is equal to

$V=\frac{1}{3}Bh$

where

B is the area of the circular base of the cone

h is the height of the cone

In this problem we have

$V=29\ units^{3}$

$r=2\ units$

$B=\pi r^{2}$

substitute the value of r

$B=\pi (2)^{2}=4 \pi\ units^{2}$

<em>Find the height of the cone</em>

$29=\frac{1}{3}(4 \pi)h$

$h=29*3/(4 \pi)$

assume $\pi=3.14$

$h=29*3/(4*3.14)=6.9\ units$

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3 years ago

Which of the following expressions would give the number of ways to choose a group of 7 from a group of 15?

OLga [1]

Answer:

Step-by-step explanation:

The number of ways to choose a combination of 7 objects from a group of 15 objects is 15! / (7! 8!)

5 0

2 years ago

Rewrite each expression so that each term is in the form kxn, where k is a real number, x is a positive real number,

MaRussiya [10]

Answer:

So the equation in standard form will be $x^{\frac{-1}{3}}$

Step-by-step explanation:

We have given equation $x^{\frac{-2}{3}}\times x^{\frac{1}{3}}$

We have to write this expression in standard form

For writing in standard form first we have to do operation on the expression

We know that there is property of exponent that when two functions are multiplied with each other then there exponent are added

So $x^{\frac{-2}{3}}\times x^{\frac{1}{3}}=x^{\frac{-2}{3}+\frac{1}{3}}=x^{\frac{-1}{3}}$

So the equation in standard form will be $x^{\frac{-1}{3}}$

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Pani-rosa [81]

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Now we multiply the numbers written in scientific notation.

1.34 * 10^1 * 5.88 * 10^12 =

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The answer is choice A.

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bogdanovich [222]

The correct answer is 6/8.

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