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4 years ago

Three more than the product of two and a number x

Mathematics

2 answers:

AfilCa [17]4 years ago

5 0

The equation the statement shows is 2x+3

stepladder [879]4 years ago

5 0

The <em>expression</em> is 2x + 3.

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It says to classify what does this mean I be dumb

Alex787 [66]

for 10 x = 28.

8x-44=180
+44. +44

8x=224

224/8=28

7 0

3 years ago

A series of three? separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers. Each

Nadya [2.5K]

Answer:

$312.5\pi \text{ km}^3\approx 981.75\text{ km}^3$

Step-by-step explanation:

We have been given that a series of 3 separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers.

Each of the three tunnels is shaped like a half-cylinder with a radius of 5 meters.

Since we know that volume of a semicircular or a half cylinder is half the volume of a circular cylinder.

$\text{Volume of a semicircular cylinder}=\frac{\pi r^2h}{2}$ , where,

r = Radius of cylinder,

h = height of the cylinder.

Upon substituting our given values in volume formula we will get,

$\text{Volume of a semicircular cylinder}=\frac{\pi (5\text{ km})^2*25\text{ km}}{2}$

$\text{Volume of a semicircular cylinder}=\frac{\pi*25\text{ km}^2*25\text{ km}}{2}$

$\text{Volume of a semicircular cylinder}=\frac{\pi*625\text{ km}^3}{2}$

$\text{Volume of a semicircular cylinder}=\pi*312.5\text{ km}^3$

$\text{Volume of a semicircular cylinder}=981.74770\text{ km}^3$

Therefore, the volume of earth removed to build the three tunnels is $312.5\pi \text{ km}^3\approx 981.75\text{ km}^3$ .

4 0

3 years ago

57/4 as a mixed number still working on my test please help (if yuo vould go look at my last question adn help that would be gre

Harrizon [31]

Answer:

14 1/4

Step-by-step explanation:

Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction.

5 0

3 years ago

Read 2 more answers

Which set of angles are alternate interior angles

sweet-ann [11.9K]

Answer:

2&7

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

3/8 x 2/6 x 4/8 x 5/12