What is two more than the product of five and four ? (Explain how you got your answer)

Mathematics

2 answers:

Alinara [238K]3 years ago

7 0

Product is 5x4 so 20+2 the answer is 22

Bas_tet [7]3 years ago

5 0

Well 5x4=20
so 2 more than 20=22

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Help with question 3 please

Vlad1618 [11]

12-4/5(x+15) = 4

12-(4x+60)/5 = 4

60-4x+60 / 5 = 4

120-4x = 20

-4x = -100

x=25

5 0

3 years ago

-(1+7x)-6(-7-x)=36 what is x equal to

Katyanochek1 [597]

Answer:

x = 5

Step-by-step explanation:

Step 1: Write equation

-(1 + 7x) - 6(-7 - x) = 36

Step 2: Solve for <em>x</em>

Distribute: -1 - 7x + 42 + 6x = 36
Combine like terms: -x + 41 = 36
Subtract 41 on both sides: -x = -5
Divide both sides: x = 5

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-(1 + 7(5)) - 6(-7 - 5) = 36

-(1 + 35) - 6(-12) = 36

-(36) + 72 = 36

-36 + 72 = 36

36 = 36

5 0

4 years ago

Find the volume of a cylinder with a diameter of 6 inches and a height that is three times the radius. Use pi on your calculator

Virty [35]

ANSWER
$V=254.47in^3$

EXPLANATION

The volume of a cylinder is given by the formula:

$V=\pi \: {r}^{2} h$

The given cylinder has diameter 6. This means that, the radius is

$r = \frac{6}{2}$

$r = 3cm$

The is height is

$h = 3r$

$h = 3(3) = 9cm$

We substitute the values into the formula to obtain;

$V=\pi \: {3}^{2} \times 9$

$V=81\pi$

$V=254.46900494$

The volume is $254.47in^3$ to the nearest hundredth